Answer:
5.450 mol Si₃N₄
Explanation:
Step 1: Write the balanced equation
3 Si + 2 N₂ ⇒ Si₃N₄
Step 2: Establish the theoretical molar ratio between the reactants
The theoretical molar ratio of Si to N₂ is 3:2 = 1.5:1.
Step 3: Establish the experimental molar ratio between the reactants
The experimental molar ratio of Si to N₂ is 16.35:11.26 = 1.45:1. Comparing both molar ratios, we can see that Si is the limiting reactant.
Step 4: Calculate the moles of Si₃N₄ produced from 16.35 moles of Si
The molar ratio of Si to Si₃N₄ is 3:1.
16.35 mol Si × 1 mol Si₃N₄/3 mol Si = 5.450 mol Si₃N₄
Answer:
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Answer:
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Explanation:
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By the process of respiration and photosynthesis; carbon dioxide is obtained and also carbon dioxide in huge amount is produced from the industries which enters in the atmosphere. Carbon dioxide is one of the greenhouse gas.
Greenhouse gases are those gases which are able to trap the radiation in the atmosphere and which keeps Earth warmer. Thus, high levels of carbon dioxide gas keep the temperature of Earth warmer.
Evolution is defined as change in gene frequency