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Calcium Hydride ( )Reacts with Water to Form Hydrogen

Question 122

Multiple Choice

Calcium hydride ( Calcium hydride ( ) reacts with water to form hydrogen gas: CaH<sub>2</sub>(s) + 2 H<sub>2</sub>O(l) → Ca(OH) <sub>2</sub>(aq) + 2 H<sub>2</sub>(g) How many grams of are needed to generate 45.0 L of gas at a pressure of 0.888 atm and a temperature of 32°C? A) 47.5 g B) 0.798 g C) 134 g D) 33.6 g E) 67.2 g ) reacts with water to form hydrogen gas: CaH2(s) + 2 H2O(l) → Ca(OH) 2(aq) + 2 H2(g)
How many grams of Calcium hydride ( ) reacts with water to form hydrogen gas: CaH<sub>2</sub>(s) + 2 H<sub>2</sub>O(l) → Ca(OH) <sub>2</sub>(aq) + 2 H<sub>2</sub>(g) How many grams of are needed to generate 45.0 L of gas at a pressure of 0.888 atm and a temperature of 32°C? A) 47.5 g B) 0.798 g C) 134 g D) 33.6 g E) 67.2 g are needed to generate 45.0 L of Calcium hydride ( ) reacts with water to form hydrogen gas: CaH<sub>2</sub>(s) + 2 H<sub>2</sub>O(l) → Ca(OH) <sub>2</sub>(aq) + 2 H<sub>2</sub>(g) How many grams of are needed to generate 45.0 L of gas at a pressure of 0.888 atm and a temperature of 32°C? A) 47.5 g B) 0.798 g C) 134 g D) 33.6 g E) 67.2 g gas at a pressure of 0.888 atm and a temperature of 32°C?


A) 47.5 g
B) 0.798 g
C) 134 g
D) 33.6 g
E) 67.2 g

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