2. the water is then heated to its boiling point. calculate the specific latent heat of
vaporisation if there was 330 g of water before the loo was added, and 813,600 j of
energy is supplied to boil all of the water once it has reached its boiling point.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation