show work please 5. (2 points) Calcium carbide reacts with water to produce an unknown gas...
⦁ (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
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...
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
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...
12 IL 34) Acetylene gas, HCCH(g), can be generated in the laboratory by adding calcium carbide to excess water, as shown in the following reaction CaC2(s) + H2O(1) ► HCCH(g) + Ca(s) How many grams of CaC2 would be required to generate 0.20 moles of HCCH(g)?
A 125 mL glass bulb contains 0.138 g sample of propane, C3H8, at 22C. What is the pressure of this gas? [R = 0.0821 L atm mol-1 K-1] a. 0.61 atm b. 0.28 atm c. 0.045 atm d. 0.0061 atm e. 0.000045 atm Acetylene can be made by reacting calcium carbide with water: CaC2(s) + 2 H2O(l)→Ca(OH)2(s) + C2H2(g) What is the maximum volume of acetylene that can be obtained from 225 g of calcium carbide at 23C and 645...
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...
Question 10 1 pts Calcium carbide reacts with water to produce acetylene (see unbalanced reaction below). How many grams of H20 are needed to produce 13 grams of C,H,? _Cacz + H2O - __Ca(OH)2 + __C2H2 18 9.0 4.5 1.4 0.048
Calcium hydride, CaH2, reacts with water to form hydrogen gas: CaH2 (s) + H20 (1) --> Ca(OH)2 (aq) + 2 H2 (g) This reaction is sometimes used to inflate life rafts when a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed to generate 115 Lof H2 gas with a pressure of 815 torr at 19 °C? (MMCAH2 = 42.098 g/mol, MMH20 = 18.02 g/mol, MMCA(OH)2 = 74.098 g/mol, MMH2 = 2.02 g/mol)