Grandma baked cookies. she gave 7 to sandy. she gave half of what were left, plus one to sue. she gave 3 to stan. then she gave half of what were left to steve. since there were only two cookies left, she ate them herself. how many cookies did she bake?

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.)

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?