Which are structures of the excretory system? Select four options.

Which substances have the lowest melting points: ionic covalent, or metallic

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 the periodic table, complete the table to describe each atom. type in your answers