Which of the following would release the most heat upon cooling from 75°C to 50°C?
10g H2O(I)
15g Al(s)
25g Sa(s)
40g Sa(s)

How does climate change cause the ocean's thermohaline current to slow down?

Which proportionality applies to avogadro’s law?

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.