richard

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

Questions

The following questions were asked by visitors named richard.

What is the order analytical method fundamental to ? I know two of them are taxonomy, biochemistry. I need to know the third one.

if a substance is known to enter a cell by diffusion, what effect would raising the temperature have on the cell? Why does it have this effect?

determine Q whenT=73.16 Given T=47.4é^0.31Q (It is e raised to 0.31Q where Q=Theta

write 3x^2 +8x-25 in the form a(x+h)^2,where a,h and k are real numbers

what is hardware

what is a motief

28 x 15 simplify by using distributive property,

imagine many years from now someone is writing a story about my life .how will the author describe me? what major accomplishments will he or she highlight?clue i like making airplanes.

have summer project. need to do timeline on the book "THE WALKABOUT" need to know how to go about doing this correctly.

what is air? a compound, a mixture, a solution, or an amalgam

What were the main elements of Johnson’s War on Poverty?

How many moles are in 13grams of C6H6. should this question be broken down into its imperical formula (CH)6 and calculate the number of moles of CH and multiply by 6 or calculate the gram molecular wt of C6H6 and divide it into 13 grams?

The actual chemistry question was, given that there are 4.19 g of C6H6 how many moles do you have and this is how I solved it and it was wrong. 4.19g/78g/mole = .054 moles of C6H6

Magnesium reacts with HCl(aq) to form MgCl2 and H2(g) ____ Mg(s) + ____ HCl(aq) -----> ____ MgCl2(aq) + ____ H2(g) The following data was collected for the above reaction: Mg (g) 5% (m/v) HCl (ml) H2 gas produced (ml) 0.50 10 167 0.50 20 333 0.50 30 500 0...

What will be the mass in grams of hydrogen atoms (only) that will be present in 22.2 g of compound A (XH3)?

Why did Mao Zeodong led the cummunists to power in china

Find all solutions for the following equation in the interval 0 ≤ x <2pi 3cos(3x)=6 i got cos3x=2, don't know how to go further i think it would be no solution but just want to confirm.

it is always true that if -1 ≤ x ≤ 1 then cos(Arccos(x)) = x Give an example showing that Arccos(cos(x))= x need NOT be true for all x

Graph three periods of the function. (identify period and phase shift and intercepts) y = f(x) = √3/2 sin(2x) - 1/2 cos(2x) if you can't graph it can you at least get it into that simpler form which is graph able.

A cylinder of compressed Oxygen is carried on a spacecraft headed for Mars. The compressed gas cylinder has a volume of 10,000 L and is filled to a pressure of 200 atm at 273 K. The maximum pressure the cylinder can hold is 1000 atm. The molar mass of Oxy...

Young's Modulus (Y) 20 X 1010 N/m2 Shear Modulus (S) 8.1 X 1010 N/m2 Bulk Modulus (B) 16 X 1010 N/m2 The table to the above represents various properties of steel. You have steel wire 4.9 meters in length that stretches 0.16 cm when subjected to a force o...

kk this is what i did V=strt(3*k=8.31*T=1365)/m=5.32*10^-26

2. What role did Totalitarianism play in the creation of music particularly in Germany and the Soviet Union during the twentieth-century? Which composers were most affected by totalitarianism? How did affect their lives?

3/5 + 1/10=? i got 7/10 or 12/20, which one is correct?

what are 4 possible tune-ups to help you keep a postive attitude?

we have a ring that has an indian head marking on the inside of the ring, do you know what it means, who made it, how old it is, or what its actually called so we can search the meaning ?

How might readers react if the topic sentences in an essay did not coincide with the supporting points, and why would their reaction be justified?

What opinion might they have of the author? What could you as a writer do to prevent this problem?

1/m-m/2=6X+5/12

what is the verb tense in this sentence? Education is contributing a good role of successful financial planning.

A 25.00-mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration after the addition of 10.0 mL of KOH is ???? M.

What is the [OH-] for a solution at 25°C that has [H3O+] = 8.23 × 10-2 M?

Hydrogen gas can be produced in the lab by the reaction of magnesium metal and hydrochloric acid. Mg + 2 HC -> MgCl2 + H2 How many grams of hydrogen gas will be produce if 5.00 g of magnesium metal is dissolved in excess acid.

propyl Bromide reacts with Mg, Propanone, H+ to yeild what?

Direct verse indirect cost Estep Construction Company is composed of two divisions: (1) Home Construction and (2) Commercial Construction .The Home Construction Division is in the process of building 12 houses and the Commercial Division is working on 3 p...

The cation M2+ reacts with NH3 to form a series of complex ions as follows: M2+ + NH3 M(NH3)2+ K1 = 102 M(NH3)2+ + NH3 M(NH3)2 2+ K2 = 103 M(NH3)2 2+ + NH3 M(NH3)3 2+ K3 = 102 A 1.0 × 10–3 mol sample of M(NO3)2 is added to 1.0 L of 15.0 M NH3 (Kb = 1.8 ×...

a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof my 3rd and 4th digits is 12 times greater than the ratio of my 2nd to 3rd whats my number?

Rewrite the passage below correcting any errors of grammar and usage The mechanic drove out the car to Joe that was lubricated. As a matter of fact, he has not done enough on it as Joe has expected. But whatever it was he decides to take it like that. The...

both my hundreds and units digits are one-half of my tens digit.the sum of my three digits is 16. what am i?

How many grams of O2 are needed to produce 45.8 grams of Fe2O3 in the following reaction? 4Fe(s)+3O2(g) - 2Fe2O3(s)

an object with a volume of one cu ft , weighing 150 lbs. is embedded in the sediment at a depth of 99 fy. in the ocean harbor. the object is best lifted to the surface by

use pascal's triangle to expand the expression (2x-3y)^3

3^(n+1)-3^(n-2) Need help simplifying this please.

a 2kg stone is dropped from the top of a 20 buliding (a) at what height does its potential energy energy equal to its kinetic energy?

a ball projected vertically upwards from the top of the tower 60 meters high with a velocity of 30 meters per second. what is the maximum height above the ground? how long does it take to reach the ground?

dy/dx - y/x = 0 I got 1/x, but I am not sure if this is right or not.

there are 20 students in mark`s homeroom class. Ten percent of the students in marks homeroom class are also in art class He finds the number of students in his homeroom class who are also in art class like this . Can you tell me the answer of how many er...

How would you determine the power series of 1/(1-x)^3. I know that the series of 1/(1-x) is x^n, but how would you manipulate it for this scenario?

How would you use series to evaluate the lim(x->0) of (x-arctanx)/x^3? I'm getting stuck, and the answer says it's 1/3 but I don't know how they got there.

A certain company produces vinyl for records in three grades (A, B, and C). Over time, grade A vinyl has a 3% defective rate, grade B vinyl has a 5% defective rate, and grade C vinyl has a 10% defective rate. Since grade A vinyl is less likely to be defec...

If y = 3 x – 2 , x = 3 t + 2 and t = 3 k – 2 , find an expression for y = f ( k ). How do I solve for the expression. Can someone please help me to set up the equation.

the math class had enrolled students while 34 students were enrolled into both classes, how many are enrolled in only one of the classes?

Answers

The following answers were posted by visitors named richard.

what is muscular energy

Thank you, I really appreciate that help. We haven't done derivatives yet and its hard to see without that knowledge...

take the tangent of 70 degrees and multiply it by 30 yards.

a lot of times teachers will throw in a unit that has no meaning. They do this to get used to the idea of always carrying your units out with the problem. I suspect that is what is happening with your problem as I have never heard of a gon.

Sorry, a 100-gon is a 100 sided polygon.

dx can't be zero

strt(3 * k=8.31 * T=1365)/ m = 5.32*10^-26

oo ok let me try that also can you tell me the distinction like when to use gas constant and boltzmann constant

what does the chick's behavior in the poem teach you about what to do when you don't know what to do.

where are the questions to assignments 1-5 world history number007678

Well Kae, 3KOH + Fe(NO3)3 -> 3KNO3 + Fe(OH)3

Assume you essay was written for an audience of a Midwest city's newspaper readers. What will you include in your introduction? What tone will you use? You can use your essay topic to answer these questions, as your answers will help you write your introd...

An object 7.25 cm high is placed 15.1 cm from a convex mirror of radius 55.2cm. (a) What is the image distance?

each european group that set up colonies settled in a specific part of americas fact

vi= 18 m/sec constant vj= 24-gt= 24-9.8*6= 24-58.8= -34.8 m/sec v^2= vx^2+vy^2= 18^2+(-34.8)^2=1535.04 KE= 1/2mv^2 KE= .5*1*1535.8= 767.9 joules

If ball1 has been dropping for 3.4 seconds, then ball1 has dropped: y= vo*t+(1/2)*g t^2 where vo= 0.0 since is was "dropped", not thrown. or y=.5*9.8*3.49^2= 59.68meters

whoops, I noticed I used 3.4 seconds not 3.14 y= .5*9.8* 3.14^2= 48.31

I think that the answer is 2/100=50/2 cross multiply it to make it 2x2=4 and 50x 100 is 5000 or 2/100= 2/50 cross multiply it to get 100 and 200 divide it by 2 to get 100 and to get 50...I think i messsed up :/

Name the properties that justify the steps taken. AB=EF; thereforeAB+CD=EF+CD

so one is arithmetic number two is geometric number three is neither?

opportunity cost of taking this trip is tavel accomandations

premium higher more

he the 20 students and change it to 20% to 200.

Hi I am Richard , on this problem mark`s has 20 students and he changes it to 20% percent and that is his error.

I would say , A. What you post can hurt or slander others***

I got 1+3x+6x^2+10x^3+15x^4... but I was wondering how I would write a series for this.

when an Ibo-led military council proclaimed a centralized dictatorship

Last name Perryman

At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F = -c_1*r*v , where c_1 is a constant. At time t = 0, a small ball of mass is projected into a liquid so that it initially...

I didn't agree with the answer