Which of the following describes a chemical reaction?
a. molecules mix without interacting.
b. atoms in substances react with each other.
c. substances change shape but not properties.
d. molecules interact without bonds breaking.

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.

What is happening when the water inside a kettle heats up and begins to boil

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro