Test Bank quiz 4 chem

Test Bank quiz 4 chem - f3....

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f3. Ch4_Practice Problems Question MC #7   (Points: 6.66)      The reaction of water and coal at a high temperature produces a mixture of hydrogen and carbon monoxide gases. This mixture is known as synthesis gas (or syngas). What mass of hydrogen gas can be formed from the reaction of 51.3 g of carbon with excess water? C(s) + H 2 O(g) H 2 (g) + CO(g) 1.  1.20 × 10 2 g 2.  306 g 3.  8.61 g 4.  17.2 g 5.  4.31 g 4. Ch4_Practice Problems Question MC #11   (Points: 6.66)      The compound P 4 S 3 is used in matches. It reacts with oxygen to produce P 4 O 10 and SO 2 . The unbalanced chemical equation is shown below. P 4 S 3 (s) + O 2 (g) P 4 O 10 (s) + SO 2 (g) What mass of O 2 will react with 0.641 grams of P 4 S 3 ? 1.  0.746 g 2.  0.0932 g 3.  0.186 g 4.  0.0466 g
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5.  0.372 g How many liters of 0.1107 M KCl(aq) contain 15.00 g of KCl? 1.  123.8 L 2.  0.5502 L 3.  1.661 L 4.  0.02227 L 5.  1.818 L 6. Ch4_Practice Problems Question MC #21
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Test Bank quiz 4 chem - f3....

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