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Acetylene is prepared from the following reaction CaC2+ 2H2O → CHCH + Ca(OH)2 Density of acetylene...
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?
⦁ (12 pts) Calcium carbide, CaC2, reacts with water to form calcium hydroxide and the flammable gas acetylene, C2H2. (Historically, this reaction was used for bicycle lamps and miner’s helmets!) When 96.5 g of calcium carbide was reacted with 52.3 g of water according to the reaction below, 99.3 g of calcium hydroxide was produced. What was the percent yield of this reaction? CaC2 + 2H2O Ca(OH)2 + C2H2
Hw #3 Acetylene can be produced from calcium carbide and water: Cac,(s)+ 2 H2O(l) → C2H2(g) + Ca(OH)2(aq) In a CH118 experiment, acetylene gas was produced and collected over water It was found that 1.00 g of calcium carbide reacted to produce 290 ml of acetylene. How many grams of acetylene were produced? What was the percent yield for the reaction? Assume 22 °C and 750 torr. (760 torr 1 atm) HW #4 Assume there are 4.0 moles of a...
8. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data and the standard enthalpy changes listed, calculate the AHOc for CaC2(s). (2 points) CaC2(s) +2H20(1) -> Ca(OH)2(s) C2H2(g) AH.2 kJ AH kJ/mol) H2O(g) -241.82 H20(1) -285.83 Ca(OH)2(s)--986.2 C2H2(g) +226.77
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...
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...
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...
1. Balance the following reaction and then complete the following questions: CaC2 + H2O → Ca(OH)2 + C2H2 a. How many moles of C2H2 will be created if 4.05 g of CaC2 are allowed to react (with excess water)? b. How many molecules of water were used in part A (i.e. how many water molecules reacted with the 4.05 g of CaC2)? c. What mass of CaC2 would you need if you wanted to produce 500.3 g of C2H2? 2....
Consider this balanced chemical equation: Ca + 2H2O -> Ca(OH)2 + H2 The limiting reactant when 3.00 moles of calcium are reacted with 8.00 moles of water in the above equation is ____________________. If you carried out the above reaction with these molar amounts, what will be the theoretical yield of hydrogen gas. _______________________g. A student carried out the reaction above and collected 2.15 g of hydrogen gas product. What is the % yield for the reaction? _______________________. (3...