What would happen if a jar of helium gas was opened

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 does the mass of 0.7891 mol of ferric oxide (fe2o3)

Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are