How much heat is needed to raise 125 Grammys of iron from 5.0C to 33C ? The specific heat of iron is 0.450j/g•C

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have