How many grams of sodium fluoride (NaF) are dissolved in 3.75 L of a 1.55 M solution? Molar Mass Na: 22.99 g/mol Molar Mass : 19.00 g/mol​

Ineed ! it’s science and it’s due tomorrow!

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.)

1. list three scientific reasons cockroaches may fly.