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AfilCa [17]
2 years ago
12

P + O2 → P4O10 balance the equation

Chemistry
1 answer:
poizon [28]2 years ago
5 0
4P + 502 -> P4O10 this is the answer
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If 156 grams of chromium react with an excess of oxygen, as shown in the balanced chemical equation below, how many grams of chr
Sunny_sXe [5.5K]

Answer:

=759.95 grams.

Explanation:

The molar mass of chromium is 51.9961 g/mol

Therefore the number of moles of chromium in 156 grams is:

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=3 moles.

From the equation provided, 3 moles of chromium metal produce 2 moles of Chromium oxide.

Therefore 3 moles of chromium produce:

(3×2)/4 moles =1.5 moles of chromium oxide.

I mole of chromium oxide has a mass of 151.99 g

Thus 1.5 moles= 1.5mole ×151.99 g/mol

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2 years ago
hich of the following statements is not true for an exothermic reaction? Question 2 options: The products have a higher heat con
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An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.

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3 years ago
BRAINLIEST ASAP!!! Help
Andru [333]

Answer:

N2C14

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<em> determined the bond type by looking if it is a metal or nometal</em>

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