A 152.0 g sample of a compound contains 48.0 g of C, 8.0 g of H, and 96.0 g of O. Which of the following is the empirical formula of the compound?

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: