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Following is the equation for the combustion of acetone: 2C₂H₂O(1) 80₂(9)- Acetone Submit Answer How much heat will be given off if 0.730 mol of acetone is burned completely? Heat [References] Try Another Version 10 item attempts remaining 6CO₂(g) 6H₂O(g) +853.6 kcal kcal
The oxidation of glucose, CHOs, to carbon dioxide and water is exothermic. The heat liberated is the same whether glucose is metabolized in the body or burned in air C₂H2O +60 +6CO₂ + 6H₂O+670 kcal/mol Calculate the heat liberated when 17.2 g of glucose is metabolized to carbon dioxide and water in the body. Heat- kcal Submit Answer Try Another Version 10 em attempts remaining
To convert 1 mol of iron(III) oxide to its elements requires 196.5 kcal: Submit Answer How many grams of iron can be produced if 256.0 kcal of heat is absorbed by a large-enough sample of iron(III) oxide? 9 Try Another Version References) Fe₂O3(s) + 196.5 kcal 2 Fe(s) + 3/2 0₂(9) 10 item attempts remaining
Chlorophyll, the compound responsible for the green color of leaves and grasses, contains one atom of magnesium in each molecule. If the percentage by weight of magnesium in chlorophyll is 3.99%, what is the molecular weight of chlorophyl? Molecular weight- g/mol Submit Answer Try Another Version 10 em attempts remaining