Calcium hydride, CaH2, reacts with water to form hydrogen gas. CaH2(s) + 2 H2O(l) Ca(OH)2(aq) + 2 H2(g) This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed to generate 13.0 L of H2 gas if the pressure of H2 is 760. torr at 27°C? g
Calcium hydride, CaH2, reacts with water to form hydrogen gas. CaH2(s) + 2 H2O(l) Ca(OH)2(aq) +...
Calcium hydride, CaH2, reacts with water to form hydrogen gas. CaH2(s) + 2 H2O(l) Ca(OH)2(aq) + 2 H2(g) This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed to generate 14.0 L of H2 gas if the pressure of H2 is 730. torr at 27°C? g
Calcium hydride, CaH2, reacts with water to form hydrogen gas: CaH2(s)+2H2O(l)→Ca(OH)2(aq)+2H2(g) This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed to generate 146 L of H2 gas if the pressure of H2 is 827 torr at 22 ∘C?
3) Calcium hydride, Call, reacts with water to fomm lydrogen gas: CaH2 (s) +2 H2O (l)-Ca(OH)2 (aq) + 2 H2 (g) This reaction is sometimes used to inflate life rafts, weather balloons, and the like, when a simple, compact means of generating H is desired. How many gram generate 145 L of H2 gas if the pressure of He is 825 torr at 21°C? s of CalH are needed to
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)
Calcium hydride (CaH2) reacts with water to form hydrogen gas: CaH2(s) + 2H2O(l) → Ca(OH)2(aq) + 2H2(g) How many grams of CaH2 are needed to generate 45.0 L of H2 gas at a pressure of 0.888 atm and a temperature of 32 °C?
6. a. Calculate the density of sulfur hexafluoride gas at 709 torr and 23 C. b. Calculate the molar mass of a vapor that has a density of 7.125 g/L at 11 ∘C and 745 torr . c. Calcium hydride, CaH2, reacts with water to form hydrogen gas: CaH2(s)+2H2O(l)→Ca(OH)2(aq)+2H2(g) This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed...
Calcium hydride (CaH2) reacts with water to form hydrogen gas: CaH2 (s)+2H2O(i)-->Ca(OH)2(aq) +2H2 (g). what volume of H2 gas at 40*C and 750 torr could be produced from 0.710kg of CaH2?
(6 points) Calcium hydride reacts with water as follows: CaH2(s) + H2O(l) → Ca(OH)2(aq) + H2(g) How many grams of CaH2 are needed to produce 4.1 L H2(g) at 0.97 atm and 12 °C?
10. Hydrogen gas can be produced from the reaction of calcium hydride and water. CaH, (s) + 2 H20 (1) ► 2 H2(g) + Ca(OH)2 (aq) How many grams of calcium hydride are needed to produce 2.5 L of hydrogen gas, collected over water at 26°C and 760. torr total pressure?
In the following reaction, how many grams of hydrogen gas are produced from 141 grams of CaH2. CaH2 + 2 H20 + Ca(OH)2 + 2 H2