Please help me I will give you the brain thing with extra points if you help me, please. I need to get this right. 2/10

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

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.)

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?