how much heat is needed to raise the temperature of 65.0 grams of liquid water from 25.0 degrees celsius to 30.0 degrees celsius? cp=4.2

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.)

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

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