How did Wegener work out what Pangea looked like? ( not from google pls)

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.)

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?