How many molecules are there in 4.00 moles c3h6o3?

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If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

What powdery mineral is a health hazard when airborne?

A155.0 9 piece of copper at 182 °c is dropped into 2500 g of water at 23.9 °c. (the specific heat of copper is 0.385 1/9°c.) calculate the final temperature of the mixture. (assume no heat loss to the surroundings.)