CHEM 120 Week 4 Assignment (20 points)

  • CHEM 120 Week 4 Assignment (20 points)
  • $15.00


Institution CHEM 120 Introduction to General, Organic, and Biological Chemistry with Lab
Contributor Amanda

Solve these ideal gas law problems. Show all work for credit.

 

  1. A gas occupies 250 mL at 739 mmHg. For a gas at constant temperature, determine the volume of gas at 514 mmHg. (1.5 points)
  2. Use the molar volume of a gas, at STP, to determine the number of moles of CO2 in 4.00 L of CO2 gas. (1.5 points)
  3. A sample of nitrogen (N2) has a volume of 50.0 L at a pressure of 2 ATM. What is the volume of gas at a pressure of 15 atm, if there is no change in temperature? (1.5 points)
  4. A 0.6 L canister of Oxygen gas has a temperature of 297 K contains 21 mols of O2 gas. What is the pressure of this tank? (1.5 points)
  5. Calculate the pressure, in atmospheres, of 8.67 mol CO(g) in a 2.0 L tank at 48 degrees C. (1 points)
  6. According to the Bronstead Lowery acid/base theory, what is the definition of an acid and a base? (1 points)
  7. According to the Bronstead Lowery acid/base theory, determine the acids and bases in the following chemical reactions: (1 point each, 3 points total)
  8. Name the following compounds and identify each of the following as a salt, strong acid, weak acid, strong base, or weak base. (0.5 points each, 3 points total)
  9. Rank the following solutions in order of how acidic they are from most acidic to least acidic. (1 point)
  10. Predict the products of the reactions below and make sure each is balanced: (1.5 points each, 0.5 points for balance, 0.5 points for each product)
  11. State the properties of a buffer solution and the key components of such a solution. (2 points)

 

 

Instituition / Term
Term Fall
Institution CHEM 120 Introduction to General, Organic, and Biological Chemistry with Lab
Contributor Amanda
 

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