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Anna35 [415]
3 years ago
7

Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas: pcl3(g+cl2(g?pcl5(g. a 7.5-l gas vessel

is charged with a mixture of pcl3(g and cl2(g, which is allowed to equilibrate at 450 k. at equilibrium the partial pressures of the three gases are ppcl3 = 0.129 atm , pcl2 = 0.155 atm , and ppcl5 = 1.30 atm. does the equilibrium favor reactants or products?
Chemistry
1 answer:
Natasha2012 [34]3 years ago
6 0
25655+6565++65+65+65+56+566+56+556+5+656+56+56+56+56+
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How many grams of H, are needed to react with 2.75 g of N,?
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Answer:

0.6 grams of hydrogen are needed to react with 2.75 g of nitrogen.

Explanation:

When hydrogen and nitrogen react they form ammonia.

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N₂ + 3H₂ → 2NH₃

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Number of moles of nitrogen:

Number of moles = mass/ molar mass

Number of moles = 2.75 g / 28 g/mol

Number of moles = 0.098 mol

Now we will compare the moles of nitrogen with hydrogen from balance chemical equation:

                   N₂             :          H₂

                    1               :           3

                   0.098       :        3×0.098 = 0.3 mol

Mass of hydrogen:

Mass = number of moles × molar mass

Mass = 0.3 mol × 2 g/mol

Mass = 0.6 g

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