18(A) Quiz #6 Spring 2018 Circle the most correct answer for the following. (3 p

Question

18(A) Quiz #6 Spring 2018 Circle the most correct answer for the following. (3 poi nts each) 1. Under which of the following circumstances will a gas behave least ideally? a. high pressure and low temperature b. high pressure and high temperature d. low pressure and high temperature c. low pressure and low temperature If the volume of a gas is doubled while moles and temperature are unchanged, the density: a. doubles An ideal gas that has its temperature doubled while pressure and number of moles is constant will experience 2. b. is halved c. is unchangedd. none of these 3. what change in volume: a. doubles b. is halved c. is unchanged d. none of these For all calculations show the and units). Points values as shown. (11 points) 4. (a) Balance the following reaction (DO NOT add any other species to the reaction). H20 (g) Fe(s) Fe3O4(s) H2 (p + + If 40.00 g of Fe is reacted with 25.0 g of H20: (b) What is the limiting reactant? (c) What is the theoretical yield of H2 moles? (d) What volume would the DRY H, occupy at 298 K and 0932 atm? (e) If the actual amount of DRY H2 collected at 298 K and 0.932 atm is 3.01 L, what is the percent

Explanation / Answer

1.at high pressure and low temp

2.Density is doubled

3.volume is changed to doubled

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