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- When calcium carbonate is heated strongly, it evolves carbon dioxide gas. CaCO3(s)CaO(s)+CO2(g) 25 g of CaCO3 is heated, what mass of CO2would be produced? What volume would this quantity of CO2 (CU at STP?How many grams of CO2 are in 345.1 L of CO2 gas?What is the volume in liters of 9.05 moles of CO₂ at standard temperature and pressure (STP)?
- (A) A sample of carbon dioxide gas at a pressure of 1.14 atm and a temperature of 27.1 °C, occupies a volume of 475 mL. If the gas is compressed at constant temperature until its pressure is 1.38 atm, the volume of the gas sample will be mL. (B) A sample of helium gas at a pressure of 0.885 atm and a temperature of 28.4 °C, occupies a volume of 12.4 liters. If the gas is compressed at constant temperature to a volume of 4.05 liters, the pressure of the gas sample will be atm.Baking powder or sodium bicarbonate (NaHCO3), is used in baking to make cakes rise because the carbon dioxide gas produced when baking powder reacts with water in the cake batter. Compare the volume of a cake prepared with the right amount of baking powder, with that of just about half the amount needed.3.55 mol O2 is enclosed in a 1.5 L container. How many additional moles of O2 should be added to the container to increase the volume to 3 L at the same temperature and pressure?
- A 25lb bag of calcium chloride ice melt weighs 11.34kg . How many moles are in CaCl2?What is the volume in Liters of a sample containing 36.7 moles of SO2 in a vessel at standard temperature and pressure?What volume of hydrogen (STP) is produced by dissolving 1.4 moles of aluminum in sulfu- ric acid? When magnesium burns in air, it combines with oxygen to form magnesium oxide ac- cording to the equation 2 Mg(s) +O2(g) 2 MgO(s). What mass of magnesium oxide is produced from 2.36 mol of magnesium? 2 Al(s) +3 H,SO4 Al2(SO4)5+3 H2 Answer in units of L.
- 6. At 100°C and 16.0 kPa, the mass density of phosphorus vapor is 0.6388 kg/m³. What is the molecular formula of phosphorus under these conditions?A 0.175 mol sample of N2 gas is contained in a 4.00 L flask at room temperature and pressure. What is the density of the gas, in grams/liter, under these conditions? g/LHow many liters of oxygen gas are needed to react with 1.3 x10 23 molecules of glucose?