Consider the nuclear equation below. 239/94 Pu—-> X+ 4/2 He. What is X?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Which of the following units is not an official si unit

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma