The coefficients in a chemical equation? ? a; show the valence electrons for each atom b; are the molar masses of the substances c; show the number of grams of each substance that react d; indicate the number of moles of each substance that react

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.)

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?