Calcium carbide, CaC2, is manufactured by the reaction of CaO with carbon at a high temperature....
Calcium carbide, CaC2, is manufactured by the reaction of CaO with carbon at a high temperature. CaO (s) + 3 C (s) → CaC2 (s) + CO (g) Hrxn = –464.8 kJ
a) Is the reaction endothermic or exothermic? Do the reactants or products have more energy?
b) If 10.0 g carbon is allowed to react with an excess of CaO, what quantity of heat is absorbed or evolved by the reaction?
c) If 45.0 L of CO at 1.70 atm and 23 C is produced in the experiment, what quantity of heat is absorbed or evolved by the reaction?
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Calcium carbide, CaC2, is manufactured by the reaction of CaO
with carbon at a high temperature....
Calcium carbide (CaC) is manufactured by the reaction of CaO with carbon at a high temperature...
Calcium carbide (CaC) is manufactured by the reaction of CaO with carbon at a high temperature (calcium carbide is then used to make acetylene): CaO (s)+3C (s) + CaC2 (s)+CO (g) AH =+464.8 kJ mol- Is this reaction endothermic or exothermic? If 10.0 g of CaO is allowed to react with an excess of carbon, how much heat is absorbed or evolved by the reaction?
1. Acetylene (C2H2) can be manufactured by the reaction of water and calcium carbide, CaC2. CaC2...
1. Acetylene (C2H2) can be manufactured by the reaction of water and calcium carbide, CaC2. CaC2 (s) + 2 H2O (l) ----> C2H2 (g) + Ca(OH)2 (aq) When 44.5 g of calcium carbide is reacted with 100.0 g of water, how much acetylene is produced? 2. If 15.8 g of acetylene is produced, what is the percent yield?
arcording to the reaction below. 1. Calcium carbide (CaC2) reacts with water to produce acetylene (C2H2)...
arcording to the reaction below. 1. Calcium carbide (CaC2) reacts with water to produce acetylene (C2H2) according to the reaction below CaC2(s) + 2H20()Ca(OH)2(s) + C2H2(g) A certain mass of CaC2 reacts completely with water to give 64.5 L of acetylene at 50.0 °C and 1.00 atm. If the same mass of calcium carbide reacts completely at 400.0 °C and 1.00 atm, what volume of acetylene will be produced? a. 31.0 L b. 516 L c. 8.06 L d. 134...
12. Acetylene can be made by allowing calcium carbide to react with water. CaC2 (s) +...
12. Acetylene can be made by allowing calcium carbide to react with water. CaC2 (s) + 2 H20 (1) ► C2H2(g) + Ca(OH)2 (5) What is the theoretical yield of acetylene (C2H2) if 6.132 g of calcium carbide (CaC2) is allowed to react with 2.455 g of water? a) 2.072 g C2H2 b) 1.774 g C2H2 c) 3.325 g C2H2 d) 1.691 g C2H2 13. If you isolate the acetylene gas in a 1.000 L flask at 298.3 K and...
In reaction between 100.0 g calcium carbide, CaC2 and water (excess), calcium hydroxide, Ca (OH) 2,...
In reaction between 100.0 g calcium carbide, CaC2 and water (excess), calcium hydroxide, Ca (OH) 2, and ethylene gas C2H2 (also called acetylene) are formed. 1) Write down the balanced reaction equation includes states of matter. 2) What is the mass of the ethin produced at the end of the reaction? 3) The reaction gas is delivered in a balloon at 20 ° C and a pressure of 2.00 atm. What is a balloon volume? View calculations 4) What is...
Using the data below, calculate A Hexn for the production of acetylene from the reaction between calcium carbide and wa...
Using the data below, calculate A Hexn for the production of acetylene from the reaction between calcium carbide and water. Cac, (s) +2H2001) CH2(g) + Ca(OH),(s) Molecule CaC2 H2O C2H2 Ca(OH)2 AH (kJ/mol). -59.80 -285.8 226.7 -985.2 1st attempt Part 1 (1 point) W See Periodic Table See Hint A Hex = Part 2 (1 point) Is this an endothermic or an exothermic reaction? Choose one: exothermic endothermic
Calcium oxide (lime) reacts with carbon dioxide to form calcium carbonate (chalk). CaO(s) + CO2(g) →...
Calcium oxide (lime) reacts with carbon dioxide to form calcium carbonate (chalk). CaO(s) + CO2(g) → CaCO3(s) ∆H = –178.4 kJ How many kilojoules of heat are evolved in the reaction of 0.500 kg CaO(s) (molar mass 56.08 g/mol) with an excess of carbon dioxide?
2 pts Acetylene can be made by allowing calcium carbide to react with water. CaC2 (s)...
2 pts Acetylene can be made by allowing calcium carbide to react with water. CaC2 (s) + 2H20 11-CH2 (8) + Ca(OH)2 (5 What is the theoretical yield of acetylene (C2Hz) 6.132 g of calcium carbide (CaCy) is allowed to react with 2455 g of water? O 16913C2H42681 O 2072 g C2H26 O 1774 g C2H2 (8) 3.325 g C2H2 D Question 13 2 pts If you isolate the acetylene gas in a 1.000 L flask at 298.3K and find...
Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO(s)+CO,(g)→ CaCO3(s) At a...
Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO(s)+CO,(g)→ CaCO3(s) At a certain temperature, a chemist finds that a 2.5 L reaction vessel containing a mixture of calcium oxide, carbon dioxide, and calcium carbonate at equilibrium has the following composition: compound amount CaO | 20.5 g CO2 17.1 g CaCo3 66.7 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = 0 xs ?
Before the development of reliable batteries, miners’ lamps burned acetylene produced by the reaction of calcium...
Before the development of reliable batteries, miners’ lamps burned acetylene produced by the reaction of calcium carbide with water. A typical lamp used 0.75 L of acetylene per hour at 1.00 atm pressure and 20°C. How many grams of calcium carbide and how many grams of water had to be in the lamp for a 4-hour shift? CaC2(s) + H2O(l) -> C2H2(g) + CaO(s)
Calcium carbide (CaC) is manufactured by the reaction of CaO with carbon at a high temperature (calcium carbide is then used to make acetylene): CaO (s)+3C (s) + CaC2 (s)+CO (g) AH =+464.8 kJ mol- Is this reaction endothermic or exothermic? If 10.0 g of CaO is allowed to react with an excess of carbon, how much heat is absorbed or evolved by the reaction?
arcording to the reaction below. 1. Calcium carbide (CaC2) reacts with water to produce acetylene (C2H2) according to the reaction below CaC2(s) + 2H20()Ca(OH)2(s) + C2H2(g) A certain mass of CaC2 reacts completely with water to give 64.5 L of acetylene at 50.0 °C and 1.00 atm. If the same mass of calcium carbide reacts completely at 400.0 °C and 1.00 atm, what volume of acetylene will be produced? a. 31.0 L b. 516 L c. 8.06 L d. 134...
12. Acetylene can be made by allowing calcium carbide to react with water. CaC2 (s) + 2 H20 (1) ► C2H2(g) + Ca(OH)2 (5) What is the theoretical yield of acetylene (C2H2) if 6.132 g of calcium carbide (CaC2) is allowed to react with 2.455 g of water? a) 2.072 g C2H2 b) 1.774 g C2H2 c) 3.325 g C2H2 d) 1.691 g C2H2 13. If you isolate the acetylene gas in a 1.000 L flask at 298.3 K and...
Using the data below, calculate A Hexn for the production of acetylene from the reaction between calcium carbide and water. Cac, (s) +2H2001) CH2(g) + Ca(OH),(s) Molecule CaC2 H2O C2H2 Ca(OH)2 AH (kJ/mol). -59.80 -285.8 226.7 -985.2 1st attempt Part 1 (1 point) W See Periodic Table See Hint A Hex = Part 2 (1 point) Is this an endothermic or an exothermic reaction? Choose one: exothermic endothermic
2 pts Acetylene can be made by allowing calcium carbide to react with water. CaC2 (s) + 2H20 11-CH2 (8) + Ca(OH)2 (5 What is the theoretical yield of acetylene (C2Hz) 6.132 g of calcium carbide (CaCy) is allowed to react with 2455 g of water? O 16913C2H42681 O 2072 g C2H26 O 1774 g C2H2 (8) 3.325 g C2H2 D Question 13 2 pts If you isolate the acetylene gas in a 1.000 L flask at 298.3K and find...
Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO(s)+CO,(g)→ CaCO3(s) At a certain temperature, a chemist finds that a 2.5 L reaction vessel containing a mixture of calcium oxide, carbon dioxide, and calcium carbonate at equilibrium has the following composition: compound amount CaO | 20.5 g CO2 17.1 g CaCo3 66.7 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = 0 xs ?
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