Joseph

This page lists questions and answers that were posted by visitors named Joseph.

Questions

The following questions were asked by visitors named Joseph.

Van Gogh's Starry Night....how would you describe his use of lines, colors, shapes and textures I love that piece. How would you describe it? I will be happy to offer critisms and critique of your observations, however, I am not going to do your assignmen...

In a 4-digit number, the two greatest place-value digits are 2. The sum of the ones and tens digits is 14. What numbers are possible? We're told we have a number that looks like 22ab where a and b are the ten's and one's digits, and a+b=14. There aren't t...

If you add a ten thousands digit that is 2 times the ones digit to the number 2,794, what is the new number? How do you get this... Your question doesn't make sense they way it is written. If you really mean: "If you add a ten thousands digit that is 2 ti...

Show me sample of dot arrays

Use place value to find each missing number. Explain 4,657,839; 4,657,939; _,_ _ _, _ _ _; 4,658,139 change of +100 misssing number is 4,658,039

What number is 100,000 greater than 99,999,999? In which places did the digits change? write 10 multiples of 9 What number is 100,000 greater than 99,999,999? it just means that u hv to add 100,000 to 99,999,999 which is 10099999 11 99999999 + 100000 ----...

I need to know the phonetic spelling of the name of the African God known as Sagbata. He was the god of smallpox. Yoruba It looks like Sagbata is spelled phonetically. You could check this site for a different spelling (and another name) for this god. (Br...

A=1/2H(B+b) Solve for H Let's start by getting rid of the fraction. Multiply both sides by 2 (whatever operation you do to one side of an equation you must do to the other side as well): 2(A) = 2[1/2H(B+b)] 2A = H(B+b) Now divide both sides by (B+b) and e...

what or how do you get at least one equivalent fraction 1/4 = ___ what about 30/120 ? I don't know.. How did you get that? Multiply the numerator and denominator by the same number. 1/4 = 2/8 = 3/12 = 4/16 = 5/20 If you multiply the numerator and denomina...

Why is WACC important to an organization? Thank you for using the Jiskha Homework Help Forum. It is difficult to calculate the WACC but it is a solid way to measure the quality of y our investment. What impact does WACC have on capital budgeting and struc...

i need help completing these tasks...can u guys offer help on each of these taskS? thanks... task 1: describe how key aims and objectives for Nike may be achieved by promotional activity.. task1A: explain how the promotional aspect of the marketing mix fa...

For the past ten years, DWI has wanted to develop the lucrative Iraqi oil reserves for its exploration, drilling, refining, and transport division; DWI's Oil Division has been limited to Siberia and the South China Sea up to this date, and was precluded f...

Compare the American legal system to the international legal environment of business.

I have a problem understanding how to set this problem up and get a solution: Consider a binomial experiment with n = 10 and p = 0.10. a. Compute P(x less than or equal to 2). b. Compute P(x greater than or equal to 1).

Why do Phoenix and Athens have a similar Temperature? Why do Philadelphia and London have a similar temperature? Please help!!! This is do tomorrow!!!! Thank you so much, Joseph

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp I thought this is how to do it, but my teacher marked it incorrect: 1. p q ~(pVq) p implies ~(pVq) T T F T implies T= T T F F T implies F= F F T F F implies F= T F F T F...

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp

I'm having trouble with this one. Problem: Find the equations for the planes parallel to x+2y-2z=1 and two units away from it.

what kitchen utensil or equipment starts with the letter "A"

Calculate the pH of a 1.33 mol/L solution of HCN is the Ka value of HCN is 6.2x10^-12

22 mL of 0.37 mol per litre acetic acid is titrated by way of a standardized 0.29 mol/L KOH solution. Calculate the pH of the solution after roughly 18 mL of the solution of KOH is added. The Ka of acetic acid proves to be 1.8 x 10^-5

An AgNO3 solution (44 mL/0.44 M) has been mixed with an NaCl solution (83 mL/1.35x 10^-2 M) a)Determine the ion product of the precipitate(potential precipitate) b) Would a precipitate be created? The Ksp of AgCl(s) proves to be 1.8 x 10^-10

19 mL of 0.50 mool/L NaOH which is standardized becomes titrated alongside 24 mL of 0.44 mol/L acetic acid. Determine the pH of the solution Please judge my work: Becasue NaOH and acetic acid react in a 1:1 ratio, initital moles of acetic acid =0.0019 L x...

Lab: Creating a Redox Table Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will see how more extensive tables of relative strengths of oxidizing an...

Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will see how more extensive tables of relative strengths of oxidizing and reducing agents have been...

Hi I sent this question a few days ago but did not get it answered I think it may have been mixed up in the jumble. Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing thi...

Hi I sent this question a few days ago but did not get it answered I think it may have been mixed up in the jumble. Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing thi...

"Ag(s) reacts with none of the 4 (solutions of Ag^+2, Pb^+2, Cu^+2, Zn^+2}. So Ag(s) goes at the bottom of the table for now although there may be some metals below silver when you finish with the entire table. Cu(s) reacts with (Ag^+ solution) so Cu goes...

I found a pattern and I was wondering if it applies to all reactions. The more times there is evidence of a redox reaction occuring for an element, the higher this element will be on the list?

Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq) Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T Cu(s)---T---X---T---T Ag(s)---X---X---X---T Br-(aq)---X---X---X---X Reaction of metals and solution of ions Reaction 2: Ag+(aq)Pb2+(aq)...

"However, the Ag^+ + I^- reacted to give AgI (but that is not a redox reaction) and if they reacted why didn't Br^- and Ag^+?" Hi Dr.Bob, I am also given additional information for reaction #1 Cu(s) I-(aq) Ag(s) Br- (aq)

For the reactions that occurred spontaneously in the individual tables, balance these reactions assuming they are in an acidic solution. Reaction 1: Cu I^- Ag Br^- Reaction 2: Zn Pb Cu Ag Reaction 3: Cl2 Br2 I2 Reaction 1 I 2(aq) Cu2 + (aq) Ag + (aq) Br2...

please help me with this problem? I have the answer but I need to know how to do it. Write the slope intercept form the equations of the lines through the given point parallel to the given line and (B) perpendicular to given line. point slope ((7,-2) m= 1...

please help me with this problem? I don't know how ro do it. please show me step by step. Write the slope intercept form the equations of the lines through the given point parallel to the given line and (B) perpendicular to given line. point slope ((7,-2)...

how do you find additional points on a line with a slope of 1/2 and a given point of (7,-2)? im sorry but i still cant get an answer for this question.

how do you find additional points on a line with a slope of 1/2 and a given point of (7,-2)?

the perimeter of a rectangle is 24 inches. find the dimensions if the length is 3 inches greater than its width

Who was the man who championed the conquered province view of the South in the Reconstruction period abd wanted to give each freedman "40 acres and a mule" to them economic viability?

Can you check my answers thanks. Directions: State which statements are true and false. 1. Carbon atoms can bond together in straight chains, branched chains, or rings. Answer: True 2. Isomers are compounds with the same simple formula but different three...

identify fraction relationship of 5/10 of 20=

Joe and Anna collect football cards.The greatest common factor of the numbers of cards in their collections is 15.Altogether Joe and Anna have 75 cards.If Joe has more cards than Anna,how many cards do they each have?

Under what situation would one or more solutions of a rational equation be unacceptable? Give an example.

What is the outer edge of a cheek cell called? please urgent homework due tommorow

Write a 200- to 300-word description of the four time value of money concepts: present value, present value of an annuity, future value, and future value of annuity. Describe the characteristics of each concept and give an example of when each would be us...

marbury vs madison mcculloch vs Maryland dred scott decision plessy vs ferguson brown vs board of education roe vs wade bowers vs hardwick mapp vs ohio bakke decisioN What amendments are these linked to and rights related to.

This is the problem: The following HTML code fragment contains a reference to an image file called frog.gif and with alternate text set to froggy, but the code as written contains a number of errors. Write the HTML line correctly. <IMG SCR=frog.gif ALT=fr...

Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius. WHAT is the vapor pressure of ethanol at 18 degrees celcius??

Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius. WHAT is the vapor pressure of ethanol at 18 degrees celcius?? Okay...I don't really get out to solve for it actually. ln (P2/760 torr)= -38560/8.3145 *...

Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celcius. At what temperature does Benzene boil when the external pressure is 440 torr? Since...I didn't get the right answer. I'll just show my work and see if a...

The normal melting point of copper is 1357 K and heat of fusion of Cu is 13.05 KJ. How much heat, in kilojoules, is evolved when a 3.70 kg sample of of molten Cu freezes?

The nominal resistance R of the resistor used in this experiment was printed on the resistor by the manufacturer. According to the manufacturer, the actual resistance of the resistor should not differ from its nominal value by more than 1%. Does your most...

The typical resistance of the tungsten filament of a 60 watt incandescent light bulb when it is turned off is 24 ohms and its resistance when operating from a 120 volt power source is 240 ohms. Generally, an incandescent light bulb filament is most likely...

Hi, I have the following question: 1. The index of refraction for a prism is given by the equation: n = 1.58 − (6.41 x 10^4)λ where λ is the wavelength in meters. Light is incident at 28°. Find the exit angle ß for light of a) 800 nm b) 633 nm c) 540 nm 2...

write a pargraph of about 50 words on the topic job seeking is a task that needs courage as well as patience

Calculate the molarity of the solution produced by mixing (a) 50.0 ml of 0.200 M NaCl and 100.0 ml of 0.100 M NaCl;

Sterling silver, an alloy of silver and copper, contains 7.5 percent copper by mass and has a density of 10.3 g/cm3. How many copper atoms are in a sterling silver sphere whose radius is 2.0 in?

A gaseous mixture of O2, H2, and N2 has a total pressure of 1.50 atm and contains 8.20 g of each gas. Find the partial pressure of each gas in the mixture They don't give you Volume and Temperature. Please explain it to me, thank you!

A small “coffee cup” calorimeter contains 110. g of H2O at 22.0°C. A 100. g sample of lead is heated to 90.0°C and then placed in the water. The contents of the calorimeter come to a temperature of 23.9°C What is the specific heat of lead?

Consider the following reaction: 2Na + Cl2  2NaCl ΔH = -821.8 kJ (a) Is the reaction exothermic or endothermic? (b) Calculate the amount of heat transferred when 5.6 g of Na reacts at constant pressure. (c) How many grams of NaCl are produced during an e...

which would have a lower melting point, C3H6 or CH30H? explain.

NH2-, NH3, and NH4+ have H-N-H bond angles of 105, 107 and 109. Explain this variation in bond angles.

which would have a lower melting point, C3H6 or CH30H? explain please!

On top of one of the peaks in Rocky Mountain National Park the pressure of the atmosphere is 500.torr. Determine the boiling point of water at this location. The heat of vaporization of water is 40.7 kJ/mol? Show work for me please! Thank you

The normal melting and boiling point of O2 are -218C and 49.8atm. a)Sketch the phase diagram for O2. b) Which is denser, O2(S) or O2 (l)? explain.

Give the conjugate acid of the following bases: a) NH2-, b) CO3 ^2-, c) HS-, d) OH-

write the net ionic equation for the following : 2CuCl(aq)-> CuCl2(aq)+ Cu(s) 4NaCl(aq)+2H2SO4(aq)+MnO2(s)-> 2Na2SO4(aq)+2H2O(l)+Cl2(g) 3KOH(aq)+Fe(NO3)3(aq)->Fe(OH)3(s)+ 3KNO3(aq)

Balance in acid solution PH3+ I2-> H3PO4+ I-

I need help with balancing redox reactions Balance in acid solution: 1) PH3+ I2 --> H3PO4+ I- 2) ClO3- + Cl- --> Cl2

Balancing redox reactions Balance in acid solution 1. PH3+ I2 -> H3PO4 + I- 2. ClO3- + Cl- -> Cl2 Balance in basic solution Se -> Se2- + SeO3^2- BrO- + Cr(OH)4^- -> Br- + CrO4^2-

why is temperature of H2O2 measured in the graduated cylinder?

If you drive 20 laps around a circular race track at 100 m/s what do you know about your speed, velocity and acceleration?

In defining the sizes of orbitals, why must we use an arbitrary value, such as 90 percent of the probability of finding an electron in that region?

A 400 kg rocket sled can be accelerated at a constant rate from rest to 1600 km/h in 2.0 s. What is the magnitude of the required net force?

In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the overhead view of the figure. The tire remains stationary in spite of the three pulls. Alex pulls with force of magnitude 226 N, an...

which of the following are predicted by the molecular orbital model to be stable diatomic species N22-, O22-, F22-

Are there any compounds besides and,but,or,nor

A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point. A. What is the concentration of the HCl? B. What is the initial pH of the acid solution? C. What is the pH of the reaction mix...

BP -164°C ΔHvap 8.136 kJ/mol sg 2.205 J/g°C MP -182°C ΔHfus 0.928 kJ/mol sl 2.41 J/g°C Using the data above for methane, CH4, calculate the heat needed to convert 150. g of liquid methane at -175°C to a gas at 25°C.

The normal boiling point for acetone is 56.5 Celsius. The atmospheric pressure is 630torr. What would be the boiling point of acetone, delta Hvap = 32.0 KJ/mol. What would be the vapor pressure of acetone at 25.0 Celsius. Please help me with this problem....

A student studies for a statistics exam where all questions are true or false. A reputable source indicates that with studying the student has a 90% chance of answering each question correctly. There are only three questions on the test. What is the proba...

When a 1.350g sample of element X is heated in a stream of chlorine gas 6.67g of XCl3 are formed.1.) What(write) is a balance equation for the reaction using 'X' for the element? 2.) Calculate the atomic weight of X. 3.)What mass of X is left unreacted? 4...

Having trouble with this: Verify: csc^4x-cot^4x=2csc^2x-1 *the numbers after the carets are to the power of

Doing some test corrections and not seeing this....Please help: Verify. csc^4x - cot^4x = 2csc^2x-1

the tangent line to the curve y=1/3(x^3)-3x^2+11x+15 is parallel to the line 9x-3y=2 at two points on the curve.Find the two points.

3 stings are attached on a ring. 2 of the strings make 70 degrees angle and each is pulled with 7.0 N . What force must be applied to keep the 3rd string to keep stationary?

2 forces acting at a point make angles of 25 and 65 degrees respectively with their resultant which has a magnitude of 150 N .Find the magnitude of the two components.

From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground to Jessie is 38 degrees, how far is Jessie from his bike.Please help me to set this up Thank you

Could someone please check my solution-Thank you-DRWLS helped me set it up and I solved it, I think From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground...

Answers

The following answers were posted by visitors named Joseph.

Thank you so much Ms. Sue. I could have not done this without you!

It did not put my answers in.

This was my guess for #2: p q ~(p AND q) ~(p AND q)Vp T T F FVT= T T F T TVT= T F T T TVF= T F F T TVF= T

Sorry.... the tables not supposed to turn out liek that. Can anyone show me how the table can be improved? Table 1: 4 vertical columns, 4 horizontal columns (on top) Table 2: 4 vertical columns, 4 horizontal columns (on top) Table 3: 3 vertical columns, 3...

Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this exercise, you will see how more extensive tables of relative strengths of oxidizing and reducing agents have been...

*Please note For table 1 I2(aq), Cu2+(aq), Ag+(aq) and Br2(aq) are supposed to be shifted to the right since they are horizontal. I-(aq), Cu(s), Ag(s) and Br-(aq) are vertical. For table 2 Ag+(aq), Pb2+(aq), Cu2+(aq) and Zn2+(aq) are supposed to be shifte...

No problem, I will write it as you say:)

Purpose: The purpose of this lab excersise is to construct a table of relative strengths of oxidizing and reducing agents. By completing this excersise, you will see how extensive tables of relative strengths of oxidizing and reducing agents have been dev...

*Forgot to add, reaciton 3 is Br-(aq) Cl-(aq) I-(aq)

When I finish with the other two reactions, would you mind reviewing my work?

I found a pattern and I was wondering if it applies to all reactions. The more times there is evidence of a redox reaction occuring for an element, the higher this element will be on the list?

Of the reactions that occurred spontaneously in the individual tables, what types of qualitative changes would you observe that would indicate the reaction is proceeding?

ONe more question DrBob :) For the reactions that occurred spontaneously in the individual tables, balance these reactions assuming they are in an acidic solution. Thanks for any further assistance we appreciate it

Reaction 1 I 2(aq) Cu2 + (aq) Ag + (aq) Br2 (aq) Reaction 2 Ag + (aq) Pb2 + (aq) Cu2 + (aq) Zn2 +(aq) Reaction 3 Br - (aq) Cl - (aq) I - (aq)

please help me with this problem? I have the answer but I need to know how to do it. Use the point on the line and the slope of the line to find three additional points through which the line passes point slope ((7,-2) m= 1/2

i still don't get how to do it

thanks now i get it

Do you want to poop or fart???

I tried the / but that didn't worked either =[

Thanks. But I'm still getting it wrong, cause maybe the sig figs are off by a little. What did you get for this problem?

I solved it and got 42.94 torr, so by 2 sig figs i rounded it up to 43 torr. What did you get?

nevermind i had it right the whole time. thank you

nevermind. i got it. thank you dr. bob for showing me how to do it tho

Haha yeah thanks i already figured it out. thank you tho

use a calculator!

plug in the x values in the equation to find the y values.

No, this is all of the information that is provided.

This is the question that was provided, no more information.

What is the Journal Entry for: Sold goods to Smithsons for $700 that costs $300. Terms of n/30 were offered. As a courtesy to Smithsons, $125 of frieght was added to the invoice for which cash was paid directly to the UPS by Opals, INC? Need This answer A...

job seeking and courage

IDK... my BFF Jill?

i have the same problem and im stuck too

this is due tomorrow

The plane is flying at an altitude of 8 miles and is 175 miles from the runway, as measured from the ground. What angle will the plane's path make with the runway? Round your answer to the nearest hundredth.

I don't get which one is Tfinal, and Tinitial for both of them can you explain it? thank you

The equation require 2 pressure but there is only 1 in this problem

Could I use STP( 760 torr and 273K) to plug in the equation ?

ok, i got them. just want to make sure the answer are correct. thanks

thanks, i typed it wrong

Is it O2(S) is denser right? Because it's solid

decomposition of H2O2 to water and O2

Do you mean a la uno voy a la clase ciencias? If so, it means "at one o'clock I go to science class."

sin 38 = .6157 .6157 = 150/x 150/.6157 = 243.6

1) C=3 ;H=2 and Cl=1 so the empirical formula of the compound is C3H2Cl. I seem not to get the others clear.

C=3 ;H=2 and Cl=1. Therefore the empirical formula of the compound is C3H2Cl The others don't seem clear to me

CH=78g/mol but the relative atomic mass of C=12 and H=1 therefore the molecular mass would be (12+1)n=78 g/mol 13n = 78 g/mol n=6 the molecular formula is C6H6 .

You are given pH which is (-log[H^+] ). so first you take 10^-2 to get the Molarity of [H^+], then you convert 500 mL to Liters so divide 500 by 1000. Finally you take Molarity times volume in liters to get moles of H^+. 10^-2 = .01 500/1000 = .5 .01 * .5...

Ms Sue pls i'm writing for the motion

And if you were asked to write a principals report for class?

I did not understand your responce, could you please clarify?

Thank you for all the research!!

Here is my answer so far. Do you know of anything else I can add to it?? The steps that must be taken prior to writing and effective persuasive essay is to build an outline of ideas and thoughts, elaborate those thoughts and ideas, do some research on the...

Do you know of anything I have left out?

I just wrote this paper so I do not think it needs any changes. I was wanting someone to proof read it.

Thank you Reiny for your help.

The cirucumference of a ballon is 75 inches and the diameter is 12 inches what is the volume?

D) would actually be approximately 9.23 seconds. 1362/16=85.125

The answer is 0

I believe the period time will be tripled from the original time at 2.55s because the distance that the spring was puled down was 3 times the original length. Answer= 2.55 seconds

What is the correct answer?

I have Kc= [(0.065)(0.130)^2]/(0.190^2) Kc= 0.030429 This answer was incorrect. Can you please help correct me?

a) find the partial derivatives of each, and just plug in 1 for x and 3 for y (values should be close to 0)/ b) in using the difference quotients, take the limit as h approaches infinity of both each derivative, plugging in 0.1 for x and y in each one. It...

Solution My mean is 175.5 My standard deviation is=90.57 Sample=25 So the probability is Formula to be used: P(X>190)=P((X-mean)/s sqrt of my sample is = 5 (190-175.5) / 90.57/5) 14.5 / 18.114 calculator says 0.8004858120790548746825659710721 I check the...

Awesome, thanks!

Given the info provided, this is a simple Q=mc(delta)T question. Simply plug and chug. m=10kg c=specific heat = 900j/kgxC (delta)T= 5 C The answer should be 4.5x10^4 J

Tinny insects such as mosquitoes can seat on the surface of water.which physical principle makes this possible ?

Are you sure this is a solid b+

i got maximum to be -¼ and minimum to be -1 and i got it wrong

my answer is also B

thank you I hope it is correct

i meant manometer

570J is the correct answer

The question is poorly worded. But that is the way I got the answer.

For number 3 the adjective is three sided and wooden? 4)simple and unusual? 5)unlimited? 6) much and first?

On number one is some an adjective because it's describing sense? Thank you

Top carnivore in a food chain

Can you show me the formula

Thank you Ms Sue. You were a big help

Thanks. It was 12.5

@Peter What about the non-conservative work lost with the tension force?

d = 31 Thank you Ms. Sue

Thanks everyone i Got a 100% also!!! :) REAL ANSWERS ARE 1)c 2)a 3)c 4)a 5)a 6)c 7)d 8)d 9)a 10)c 11)a 12)a 13)c 14)c 15)d 16)d 17)c

a.) Having decay constant as t=0.693/decay constant. Therefore decay constant=0.693/t (i.e time). Decay constant=0.693/30 =0.02

Would it be two? Since HHT and HTH? or HHT, THH, Hth? Thanks

Mean=Sum of observations/total no: of observations here 50 is the mean therefore sum of the observation=50*100 so the sum will be 5000 when the value is changed from 100 to 110....only 10 is increased... therefore sum of observations will be increased by...

Use the equation Q = mc∆T Q =(m)(c)(∆T) =(22.0g)(4.184J/g°C)(75°C) =6903.6J =6900J (if you need to round to nearest sig fig) Hope this helps!

Quick Answer: "I" Explanation: Since you're forming an iconic bond, you want to get the total valance electrons to 8. Elements under 1A all have 1 valance electron, so all you really need to do is find an element with 7 electrons which under VIIIA column(...

how many hours are in a day? 12! So... just take the 6 as the numerator and the 12 as the denominator (6/12) and if you simplify so it will be (1/2) and if you turn that into s percentage it will be %50. THE ANSWER IS AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...