Which of the following is an example of an observation? A. Adding numbers in order calculate the mean.
B. Noting what happens the color of a piece of steel when it is heated.
C. Drying socks in a clothes dryer
D. Placing smelly socks in the washing machine.

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.

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

How many moles of bromine are needed to produce 3.23 moles of potassium bromide