The mass is 5kg
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The answer is true, catalysts increase rates by lowering the activation energy of a reaction. Catalysts lower the reaction energy and so the reaction occurs faster. Enzymes perform the role of biological catalysts. Most metabolic pathways of the body are controlled by enzymes. Enzymes by classification are proteins. <span />
2. Because a cumulonimbus cloud is a towering vertical cloud
The name of the covalent compound CCl4 is 'Carbon tetrachloride'.
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