Predict the missing component in the nuclear equation.
4He + x
230 Th
90
с
234U
226Ra
234 Th
92
88
90

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

How many moles are in 43.9 l of oxygen