5647

if 2.6 l of methane are combusted how many grams of water are produced

• 2.4 g H2O

• 4.2 g H2O

• 6.2 g H2O

• 10 g H2O

if 364g of hexane are combusted how many liters of carbon dioxide are produced

• 65 L CO2

• 765 L CO2

• 567 L CO2

• 89 L CO2

balance the equation

__CH4 +__ O2 ---> ___ H2O + __CO2

• 6 H2O, 2 O2

• 2 O2 , 2 H2O

• 2 O2 , 8 H2O

• 12 O2 , 2 H2O

balance the question

__ C4H12 +__ O2-->__ H2O + __CO2

• 4 O2, 10 H2O, 1 CO2

• 3 O2, 7 H2O, 6 CO2

• 4 O2, 9 H2O, 3 CO2

• 2 O2, 7 H2O, 6 CO2

what is the new pressure of 150 ml of a gas that is compressed to 50 ml when the orginal pressure was 3 atm and temperature is constant

• 9 atm

• .90 atm

• 1 atm

• 100 atm

what is the volume of 1 mole gas at standard temperature and pressure

• .24 L

• .024 L

• 2.4 L

• 22.4 L

solid sodium carbonate Na2CO3 reacts with sulfuric acid H2SO4 to produce CO2 gas according to the following equation

How many moles of CO2 were produced

• 1.13 times 10^-3 mol of CO2

• 8.88 times 10^2 mol CO2

• 8.57 times 10^-1 mol CO2

• 8.46 times 10^-1 mol CO2

a sample of gas in a rigid container at 30 c and 2 atm has a temperature increased to 40 c what will be the new pressure

• 2.67 atm

• 1.50 atm

• 2.07 atm

• 6.04 atm

calculate the approximate volume a 1.50 mol sample of gas at 15 c and a pressure of 3.75 atm

• 1.73 L

• 5,93 L

• 9.46L

• 8. 8.46 L

the volume of a sample of oxygen is 200 ml when the pressure is 3 atm and the temperature is 37 c what is the new temperature if the volume increases to 400 ml and the pressure decreases to 2 atm

• 209.8 c

• 49.33 c

• 140.3 c

• 413 c