Questions asked by Gazza

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• A system at equilibrium is placed under stress by adding more reactant. If this reaction has a small equilibrium constant (Keq), how will the addition of this stress affect the equilibrium of this system?
  
• Which of the following is the correct expression for the rate of the following reaction? Note: not all species are gaseous. CuO(s) + H2S (g) <--> Cu(s) + H2O (g)
  
• Which for the following is considered a weak base? A. Lithium hydroxide B. Sodium hydroxide C. Calcium hydroxide D. Aluminum hydroxide Thanks!
  
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• Hello there! I think I would need some help for this one. Can you try helping me out please ? Thanks!
  
• Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution.
  
• A radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. What was the identity of the original nucleus? Show the nuclear equation that leads you to this answer.
  
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• Can someone help me please? I didn't do it right then I got it right. Thanks!
  
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• Can I get some help please? I really appreciate that and thank you!
  
• Can someone help me please? This is the last two questions I need help with for tonight. Thank you and have a great night!
  
• Can someone help me please? I answered one of them but I would like someone to check it as well. For the other two, I honestly not sure how to do it. Thanks!
  
• Can you help me please? I have a chemistry class tomorrow but I need to bring with me the answer for these two questions. So, please help. Thanks!
  
• Why must the number of electrons lost equal the number of electrons gained in every redox reaction? Use 4 – 5 sentences to address this question.
  
• At a pressure 47 kPa, the gas in a cylinder has a volume of 12 liters. Assuming temperature remains the same, if the volume of the gas is decreased to 8 liters, what is the new pressure?
  
• Dynamic equilibrium problem?
  
• Rate of reactions problem?
  
• Using at least 3 to 4 complete content related sentences, explain how the compressed gas in an aerosol can forces paint out of the can?
  
• 1. If the pH of a solution is ….. the solution is basic. a. 2 b. 5 c. 7 d. 10 Can someone help me?
  
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• Hi there! I found a website that gives me different kind of problems to solve, but I am stuck on this one :) Can you help me please? Thanks!
  
• #y= -3x^2 -4x + 6# What are the vertex, axis of symmetry, maximum or minimum value, and range? Can someone help me please? Thanks!
  
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• Is the relation {(3, 5), (–4, 5), (–5, 0), (1, 1), (4, 0)} a function? Explain.
  
• Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. -3x5 + 9x4 + 5x3 + 3 ?
  
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• A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a + 4b). What is the volume of the box in terms of a and b?
  
• Can I get one more help please? Thank you!
  
• Good morning! Can someone help me real quick please?
  
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• Can someone help me please? Thanks :)
  
• Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. #-3x^5 + 9x^4 + 5x^3 + 3#
  
• Evaluate #sqrt7(sqrtx - 7sqrt7)# ?
  
• Find a quadratic model for the set of values: (-2, -20), (0, -4), (4, -20)? Show your work.
  
• Volume of a cylinder. Can I get some help please? I've been trying for almost an hour and I can't find a good answer. Thanks a lot!
  
• Can someone help me out please? Thanks! Please explain 'cause I have more that I want to do on my own :)
  
• A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a + 4b). What is the volume of the box in terms of a and b? Show your work.
  
• If a function, f(x) is shifted to the left four units, what will the transformed function look like?
  
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• Hi there! Can I get one more last help please? Thanks!
  
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• Can I get one last help please? I truly don't understand it. Thanks!
  
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• Hi there! Can you take couple minutes to help me out with a sound wave question please? Thanks!
  
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• I feel like this question is tricky to me so can someone help me out please?
  
• Oh, can I finally get some help with finding percentiles please? Thanks!
  
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• Can I get some help tonight please? Thanks!
  
• Good morning! Can someone help me please? Thanks!
  
• Can someone help me solve this trigonometric expression please? Thanks!
  
• It is 1:08 AM and I am trying to solve some problems but I am stuck :) Can I get some help please? Thanks!
  
• Oh, can someone finally help me solve this problem? Thank you!
  
• Can someone help me simplify this please? Thanks!
  
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• I've been trying so hard to solve this exercise but I honestly can't. It would be so nice of you if you can help me?. Thank you very much!
  
• Hi there! Can you take a few minutes to help me out please? Thank you!
  
• Can someone help me solve this? Thanks!
  
• Hi! Can someone help me solve this sound wave equation?
  
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• Can someone help me with this? Thanks!
  
• How to find the angle of elevation of the kite?
  
• I've been struggling in this sound wave question for more than 30min, can someone help me please?
  
• Can someone help me with percentiles please?
  
• Compare the graphs of the inverse variations.?
  
• How do I use a graphing calculator to solve #-3cost=1#.? Thank you in advance :)
  
• Use the graph of the sine function. Can someone help me with it?
  
• Can someone help me with this US Government & Economics? Thanks!
  
• Can someone help me answer this question about homeland security? Thank you!
  
• Can someone help me answer this question about developed countries? Check the picture. Thanks!~
  
• Can someone help me answer this question about Soviet Union and China? Thank you!
  
• Can someone help me answer this question about the affect of resources and technology? Thank you!
  
• Can someone help me answer this question about "Flat tax"? I didn't understand it but now I have homework about it. Can I get some help please? Thanks!
  
• Can someone help me with this question about President Roosevalt's proposal? Thank you very much!
  
• Can someone help me with this question about political parties? Thank you! Have a great night :)
  
• Can someone help me with this please? Thank you!
  
• Can someone help me answer this question about the former Vice President John Nance Garner? Thank you!
  
• The question is about President Roosevelt's proposal. Can I get some help please? Thanks!
  
• This question is about political parties. Can someone help me out please? Thanks!
  
• Can someone help me answer this question about melting of crystalline solids? Thanks!
  
• Can someone help me solve this system of equation? Solve for C. Thanks!
  
• I am confused...I am not sure how to answer this question. Can someone take a look at it please? Thank you!
  
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