When 1.0g of diethyl ether is converted to vapor at its boiling point, about how much heat is absorbed? (c4h10o, hvap= 15.7kj/mol, boiling point: 34.6°c)a) 2 jb) 2 kjc) 0.2 jd) 0.2 kj( show how you got the answer.)

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space