A gas initially occupies 2.00 l at 25 degrees c

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Reference no: EM13796668

1.A gas initially occupies 2.00 L at 25 degrees C and 3.00 atm. Calculate its volume after the temperature is increased to 125 degrees C and the pressure is decreased to 1.00 atm. You must show all work to receive credit.

2.Using both the ideal gas law and Dalton's law of partial pressures, calculate the total pressure of a 5.00 L container at 20 degrees C that contains 120.0 g of argon and 22.0 g of carbon dioxide gas. You must show all work to receive credit.

3.'If I have a tank that is holding 17.5 L of elemental oxygen gas with a mass of 300.0 g at a temperature of 72.0 degrees C, what is the pressure? You must show all work to receive credit.

4.What is the temperature of a 926 L compressed gas tank that contains 64.1 mol of carbon monoxide at a pressure of 38.1 atm? You must show all work to receive credit.

5.Suppose you have 25.00 mL of phosphoric acid, and you do not know what it's concentration is. If you titrated it with a 0.733 M potassium hydroxide solution, and it took 39.50 mL of the base to neutralize the acid. what was the concentration of the phosphoric acid? Write the neutralization reaction, balance it, name the products THEN Solve the problem above. You must show all work to receive credit.

6.PART 1: How many milliliters of concentrated NaOH (19.3 M) are needed to make the following amounts of base? You must show all work in detail to receive credit. (a) 8.00 L of 0.250 M, (b) 300 mL of 3.00 M, (c) 0.250 L of 0.125 M, (d) 10.0 mL of 0.01000 M. PART 2: Explain, in detail, how you would go about making the solution in letter (a) above. Include all detail and terminology as discussed in the Lesson materials.

7.. PART 1: How many milliliters of concentrated HCl (12.1 M) are needed to make the following amounts of acid? You must show all work in detail to receive credit. (a) 5.00 L of 0.100 M, (b) 1.00 L of 6.00 M, (c) 2.00 L of 3.00 M, (d) 100 mL of 0.100 M. PART 2: Explain, in detail, how you would go about making the solution in letter (a) above. Include all detail and terminology as discussed in the Lesson materials.

Reference no: EM13796668

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