Exercise 13 Consider the following balanced reaction: 4 CaSO4 (s) + 3 CH4 (g) + CO2(g)...
3. Gaseous CH4 will react with gaseous oxygen (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H20). Suppose 1.12 g of methane is mixed with 1.7 g of Oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round your answer to 2 significant digits. CH4(g)+ 02 (g) ->_CO2(g) + H2O(g) 5. The following chemical reaction takes place in aqueous solutions: 2AGF(aq) + (NH4)2 CO 3 (aq) Ag, CO3 (aq) + 2NH4F(aq)...
1. 16.50 g of glucose, C6H12O6 was burned in the presence of excess oxygen, calculate the volume of CO2(g) that is produced at STP? C6H12O6(s) + 602(g) + 6CO2(g) + 6H2O(g) 2. What volume of 0.250 M HCl is required to completely react with 0.350 g of Na2CO3? Na2CO3(s) + 2HCl(aq) + 2NaCl(aq) + H2O(l) + CO2(g) 3. Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide. What volume of CO2 will be collected at 950...
The thermochemical equation of combustion of methane is: CH4(g) + 2O2(g) → CO2(g) + 2 H2O(l) ΔΗ =-890.3 kJ 1. Calculate the AH when 5.00 g CH4 react with excess of oxygen. 2. Calculate AH when 2L CH4 at 49 °C and 782 mmHg react with an excess of oxygen 3. Calculate AH when 2L CH4 react with L O2 in a reaction vessel kept at 49 °C and 782 mmHg.
Consider the following reaction: CaO (s) + CO2 (g) → CaCO3 (g) If 12.9 g of carbon dioxide, CO2, react, how many grams of calcium carbonate, CaCO3, are produced?
4 H2(g) + CO2(g) → CH4(g) + 2 H20(g) AH=-165 kJ a. Is the reaction endothermic or exothermic? exothermic b. How many kJ of heat are released when 5.0 moles of CO2 react with excess H2? 3300 number not words.) c. How many kJ of heat are liberated when 12.9 g of H2 react with excess CO2? 264 (Enter a number not words.) [] Full
Which one of the following statements about the following reaction is false? CH2(g) + 20%(9) CO2(g) + 2H2O(g) (a) Every methane molecule that reacts produces two water molecules. (b) If 32.0 g of oxygen reacts with excess methane, the maximum amount of carbon dioxide produced will be 22.0 g. (c) If 11.2 liters of methane react with an excess of oxygen, the volume of carbon dioxide produced at STP is (44/16)(11.2) liters. (d) If 16.0 g of methane react with...
Fill in the Blanks For the reaction 4 H2(g) + CO2(g) - CH4(g) + 2 H2O(g) AH--165 kJ a. Is the reaction endothermic or exothermic? b. How many kJ of heat are released when 5.0 moles of CO2 react with excess H2? (Enter a number not words.) c. How many kJ of heat are liberated when 12.9g of H2 react with excess CO2? (Enter a number not words.)
3. In the organic combustion reaction of 49.77 g of methane (CH4) with excess oxygen, what volume (in L) of carbon dioxide is produced if the reaction is performed at STP?
Consider the following reaction. CH4(g) + 2 O2(g) - CO2(g) + 2 H20(1) AH = -891 kJ Calculate the enthalpy change for each of the following cases. (a) 2.00 g methane is burned in excess oxygen. Гk (b) 2.00 x 103 L methane gas at 743 torr and 25°C is burned in excess oxygen.
Calculate ΔH for the following reaction, CaO(s) + CO2(g) → CaCO3(s) given the thermochemical equations below. 2 Ca(s) + O2(g) → 2 CaO(s) ΔH = -1270.2 kJ C(s) + O2(g) → CO2(g) ΔH = -393.5 kJ 2 Ca(s) + 2 C(s) + 3 O2(g) → 2 CaCO3(s) ΔH = -2413.8 kJ A compound contains C, H and O as the elements. A 20.0 g-sample is comprised of 1.34 g H and also 8.00 g of C. What...