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Questions Asked on June 19, 2010

Convert 3.01 x 1023 molecules of C2H6 to moles.
1. 2 answers
2. asked by HELP!!!
3. 5,801 views
How many total atoms are in 1.0 moles of H2O ?
1. 1 answer
2. asked by HELP!!!
3. 3,924 views
How many moles of NaCl are in 16.0 grams of NaCl?
1. 2 answers
2. asked by kourtney
3. 2,134 views
A precipitate will be formed when an aqueous carbonic acid soution is added to what other aqueous solution?A. ammonium chloride
1. 1 answer
2. asked by Ellie
3. 2,036 views
How many atoms does 2.0 moles of He represent?
1. 2 answers
2. asked by HELP!!!
3. 2,017 views
The cost C, in dollars, to produce graphing calculators is given by the function C(x)=57+4500, where x is the number of
1. 1 answer
2. asked by Anonymous
3. 1,849 views
How do I say the following numbers in spanish words?275,000 827 3,900,000 530,000
1. 3 answers
2. asked by Kayleigh
3. 1,627 views
I HAVE AN EXAM REVIEW QUESTION AND I REALLY NEED HELP.An airplane has an air speed of 330km/h and is heading in a direction of
1. 1 answer
2. asked by Santha
3. 1,573 views
How many grams of NaCl will be produced when 22.85 g of HCl are neutralized by an excess of NaOH according to the equation
1. 2 answers
2. asked by andrea.
3. 1,571 views
A thin 2 kg box rests on a 6 kg board that hangs over the table. the length of the board on the table is 30 cm and the length of
1. 1 answer
2. asked by Anonymous
3. 1,567 views
A circulating current of warmer material(such as magma)P.S It is 2 words and they are _ _ _ _ _ _ _ _ _ _ / _ _ _ _ _ _ _
1. 5 answers
2. asked by Alex
3. 1,515 views
A certain aircraft can fly 768 miles with the wind in 4 hours and travel the same distance against the wind in 6 hours. what is
1. 1 answer
2. asked by Anonymous
3. 1,432 views
I've asked about this same question before, and someone gave me the way to finish, which I understand to some extent. I need
1. 3 answers
2. asked by anonymous
3. 1,292 views
pls explain your answerWhich of the following solutions would be expected to be the best conductor of an electric current at
1. 3 answers
2. asked by Mohamad
3. 1,226 views
Nitrogen monoxide reacts with oxygen according to the equation below.. 2NO + O2 -----> 2NO2... How many moles of NO are required
1. 1 answer
2. asked by Monica
3. 1,224 views
1. It is a quarter past seven.2. It is a quarter after seven. 3. It is a quart to seven. 4. It is a quarter before seven. (#1 is
1. 1 answer
2. asked by rfvv
3. 1,206 views
Solve for [0, 360)2sinxcosx + cosx =0 2sinxcosx = -cosx 2sinx = -cosx/cosx sinx = -1/2 {210, 330) Is this correct?
1. 1 answer
2. asked by Sara
3. 1,081 views
You're thinking of investing in a automation project to reduce cost of production.-Investment in Fixed Assets: $900,000 at t=0;
1. 0 answers
2. asked by Dan
3. 1,069 views
Find the molar mass of Hg2Cl2
1. 1 answer
2. asked by ninki
3. 1,063 views
16. Going into his final exam, John has a total of 72 points out of 90 possible in his history class. His final exam is worth 10
1. 2 answers
2. asked by mysterychicken
3. 1,048 views
A square has an area of S^2 and a regular hexagon has a perimeter of T. If p is the perimeter of the square and h is a side of
1. 2 answers
2. asked by Mark
3. 1,042 views
How many grams of aluminum would react completely with 17.50 grams of copper (II) chloride according to the following equation?A
1. 3 answers
2. asked by andrea.
3. 1,032 views
How many grams of potassium nitrate are required to produce 5.00 g of potassium nitrite according to the equation below?2KNO3(s)
1. 4 answers
2. asked by andrea.
3. 1,027 views
A 44 g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. all of the ice melts and the
1. 1 answer
2. asked by scott
3. 1,005 views
How many moles are represented by 16.0g of ethanol, C2H5OH?
1. 1 answer
2. asked by kourtney
3. 997 views
what is the oxidizing agent in the equation8H(aq)+ 6Cl(aq)+ Sn(s)+ 4NO3(aq)yields SnCl6(aq)+ 4NO2(g)+ 4H2O
1. 1 answer
2. asked by Ellie
3. 990 views
How long is the side of a square picture that can fit inside a circular picture frame that has a diameter of 8 inches?Hint:
1. 2 answers
2. asked by jr
3. 990 views
Can you give me step by step instruction on how to solve this problemHelium is pumped into a spherical balloon at a constant
1. 1 answer
2. asked by Artis
3. 988 views
12.2 ft/sec how many days will it take to complete its journey with the circumference of the earth is 25000 miles. How do i work
1. 2 answers
2. asked by Dawn
3. 936 views
When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation
1. 3 answers
2. asked by Thomas
3. 922 views
• Select two organizational departments from the list below in a business:o Marketing o Customer Service o Finance o Planning
1. 0 answers
2. asked by krysta
3. 915 views
How many moles of oxygen gas (O2) are in 448L at STP (273K and 1 atm of pressure)?
1. 1 answer
2. asked by kim.
3. 909 views
A 1.00-g sample of solid calcium was burned in fluorine to give a 1.95 g sample of pure CaF2. The energy given off in this
1. 1 answer
2. asked by joan
3. 878 views
sorry . Can you please help me with this questions If you know?Oxalic acid is a relatively strong diprotic acid with Ka1 = 5.6
1. 0 answers
2. asked by khin
3. 875 views
how will employees in the medical office have to be trained regarding privacy
1. 1 answer
2. asked by soad
3. 868 views
How do you think a presenter can find balance in providing information and using the PowerPoint as a "tool" to keep the
1. 0 answers
2. asked by terry
3. 857 views
You have opened your own word-processing service. You bought a personal computer, and paid $5,000 for it. However, due to the
1. 0 answers
2. asked by Anonymous
3. 829 views
A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question
1. 1 answer
2. asked by molly
3. 744 views
1. Bob is 4 cm shorter than Emily.2. Mr. Pitt is 16 kg heavier than Emily. 3. Emily is 1 year younger than Bob. 4. Bob weighs
1. 1 answer
2. asked by rfvv
3. 720 views
select the sentence in which the verb correctly agrees with the subject.
1. 1 answer
2. asked by Laurie
3. 720 views
Need to get these checked--33. What is the area of a square with the dimension of 1 + sqrt of 2? 9.64 34. A matrix with 5
1. 1 answer
2. asked by mysterychicken
3. 711 views
Sunset Company uses the periodic inventory method and had the following inventory information available:Units Unit Cost 1/1
1. 0 answers
2. asked by lola
3. 711 views
Out of 48 questions I struggled with these. Could someone please check? These are multiple choice questions, so if I'm incorrect
1. 4 answers
2. asked by Ariel
3. 707 views
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second
1. 0 answers
2. asked by Sol
3. 702 views
Two masses are hanging over a frictionless, massless pulley as shown blocks_pulley_aMass m1 is 5.0 kg and mass m2 is 7.0 kg
1. 2 answers
2. asked by bill
3. 701 views
If sinA = 1/3 and cosA<0find the exact value of tan2A
1. 1 answer
2. asked by Jenny
3. 695 views
• Write a 200- to 300- word paper in which you list 3 to 5 factors that define teaching as a professional career. Elaborate on
1. 2 answers
2. asked by Anonymous
3. 682 views
A solution that is formed by combining 600. mL of 0.20 M NaOH with 400. mL of 0.40 M HNO3 has an H+ concentration of
1. 1 answer
2. asked by leona
3. 676 views
I need to write five sentences about the role of education in successful financial planning, using different verb tense in each
1. 5 answers
2. asked by kathy
3. 675 views
Totally lost here!Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0.
1. 0 answers
2. asked by Ally
3. 657 views
what is the net ionic equation for NaOH + H2SeO3?
1. 2 answers
2. asked by Ellie
3. 655 views
Chloroacetic acid has a relatively large equilibrium constant, so at low acid concentrations it is necessary to use the
1. 1 answer
2. asked by leona
3. 645 views
I have my maths exam on Tuesday and cannot remember how to do trigonometric identities at all. I was so sure, but now I'm not. I
1. 2 answers
2. asked by anonymous
3. 644 views
I have been struggling with this problem I cannot get the right answer. Please give me the steps to solve this problem.Let f(x)=
1. 2 answers
2. asked by Ronnie
3. 631 views
I am an English learner and I have a hard time in understanding the below sentences."It's a dead issue. These days you can
1. 2 answers
2. asked by Anonymous
3. 623 views
A spherical water tank has a diameter of 10 feet. How much water does it hold when half full (use 3.14 for , and round to the
1. 1 answer
2. asked by dan
3. 616 views
which agents of socialization are most important at certain stages of human development? for example, discuss how the family is
1. 1 answer
2. asked by bud
3. 614 views
Evaluate the logarithmic function for three values of x between zero and one, three values of x greater than 1, and at x=1. Show
1. 0 answers
2. asked by Zen
3. 612 views
I know the answers for these questions, I just want to learn why1- Use the table to determine which of the following species
1. 1 answer
2. asked by zidan
3. 606 views
Hello everyoneI have this homework about protection programs can you tell me wat these r. plz The Data protection act The
1. 2 answers
2. asked by Alex
3. 604 views
which country would rank as the best place to raise a child. Be sure to include comparisons such as Literacy rates, infant
1. 1 answer
2. asked by Kim
3. 599 views
with would be more convenient?(A) burn 1 mole of carbon with 2 moles of sulfur and mesure the energy yield (B) burn
1. 1 answer
2. asked by eriika
3. 598 views
find the midpoint of the segment with endpoints (1/3,-4) and (-2/3,6)a) (-1/3,2) b) (-1/6,1) c) (-1/2,1) d) (1,-1/6)
1. 1 answer
2. asked by anthony
3. 578 views
I have read the chapter on Hinduism, in a book called Living Religion by Mary Fisher, but I am having difficulty finding the
1. 1 answer
2. asked by Tonni
3. 574 views
If f(x) = 4ln(5 x+ 4ln(x)), find f'( x ).
1. 3 answers
2. asked by Jason
3. 555 views
Can anyone tell me if this answer is correct?Solve the problem. Let's imagine that in 2001, a surgeon performs the first brain
1. 0 answers
2. asked by Xan
3. 543 views
Which one of the following is characteristic of Brahms's compositions?A. Hollow sounds and dissonant melodies B. Well-organized
1. 3 answers
2. asked by Ringa
3. 524 views
Is this correct? If not can you please tell me what steps I did wrong? Thanks!The hydrogen ion concentration of milk is about
1. 2 answers
2. asked by Kate
3. 522 views
• Due Day 4 (Thursday): Choose a family member or someone you know well who has experienced most adult life stages, such as a
1. 3 answers
2. asked by bud
3. 521 views
What is the concentration of the propionate ion at the equivalence point?
1. 1 answer
2. asked by random
3. 516 views
I am having a problem with this question and need direction.A $500 8% bond is purchased on Feb. 1,2004 to yield 10% compounded
1. 0 answers
2. asked by Jill
3. 507 views
Develop a unique proposal that describes a new health care system. Consider the current U.S. health care system’s strengths,
1. 1 answer
2. asked by jonny
3. 506 views
a car of height H could negotiate a bend on a banked road of certain degree and of radius r with a maximum speed. is it possible
1. 0 answers
2. asked by sandra
3. 489 views
d=0.005s^2+0.2s where d is the stopping distance in meter and s is the speed in km per hour. use the formula to find the
1. 2 answers
2. asked by Tim
3. 486 views
the atomic mass of N is 14 u and that of Ca is 40 u. the proportion of n by mass in the compound Ca3N2 is what?
1. 0 answers
2. asked by Frank
3. 485 views
Using this formula..pH = -log(H^+) find the pH 1.6 x 10^(-5)
1. 1 answer
2. asked by Zen
3. 479 views
Find the molar mass of Na2Al2(SO4)4
1. 1 answer
2. asked by ninki
3. 474 views
how long will it take for $7600 to double if invested at 4.2%,componded continously
1. 1 answer
2. asked by melissa
3. 473 views
The annual Salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation
1. 0 answers
2. asked by molly
3. 471 views
What journey did othello go through both physical and emotional in the play ?
1. 1 answer
2. asked by marina
3. 466 views
Find the molar mass of AlCl3
1. 1 answer
2. asked by kim.
3. 456 views
define the following words science?
1. 1 answer
2. asked by M
3. 454 views
A 7.2 ´ 10-3 M solution of acetic acid is 5.0% dissociated. In a 7.2 ´ 10-4 M solution, the percentage of dissociation would
1. 1 answer
2. asked by shahd
3. 443 views
balance any 25 chemical equation and write the name of the reactant and the product. mention the catalist when ever required.
1. 1 answer
2. asked by priya
3. 442 views
Find the Pythagorean triple for m = 14
1. 1 answer
2. asked by Liz
3. 441 views
Need help with this--38. Write in decimal notation: 2.34 x 10^6 How would I do this? Can someone please show me all the steps?
1. 1 answer
2. asked by mysterychicken
3. 440 views
4. If you have a mole of copper atoms, how many copper atoms do you have?
1. 1 answer
2. asked by eriika
3. 436 views
simplify: sqrt (2)/7a) sqrt (14) / 7 b) sqrt (7) C) 2 d) sqrt (2)
1. 1 answer
2. asked by ami
3. 430 views
1. Are you interested in gardening?2. Not really. 3. Not much. (Is #2 the same as #3 in meaning?)
1. 1 answer
2. asked by rfvv
3. 428 views
If anyone has read the novel the power of one can you tell me the individuality peekay displayed in the novel?
1. 1 answer
2. asked by marina
3. 428 views
calculate the number of atoms of C of 25.0g C?
1. 1 answer
2. asked by ana
3. 413 views
Your boss has asked you to help new employees understand uses of data in systems-operation management and the various
1. 1 answer
2. asked by tosha
3. 411 views
why exponential model may be better choice for modelling data than the linear model.
1. 1 answer
2. asked by Candy
3. 410 views
57.3 qts how many 25ml vials can they fill ( round to the nearest full vial
1. 1 answer
2. asked by Dawn
3. 409 views
What are some male stereotypes and the role language had in shaping these stereotypes?
1. 0 answers
2. asked by Audrey
3. 406 views
How much heat is absorbed by the calorimeter if the temperature change is 8 C and the calorimeter constant (Heat Capacity) is
1. 1 answer
2. asked by tsu
3. 405 views
Examples of how has technology aided the spread of globalisation.thankyou
1. 0 answers
2. asked by dancer
3. 394 views
Hi again how can i get the growth factor by using exponential regression from the function Y = a(b^x) and i have calculated the
1. 1 answer
2. asked by Tim
3. 393 views
What do the crust and upper mantle form?
1. 1 answer
2. asked by Alex
3. 393 views
Is a Democracy a form of authoritarianism?
1. 1 answer
2. asked by Ariel
3. 389 views

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