Twenty-four grams of a substance require 270. Joules of heat to increase its temperature from 25 to 50. ˚C. What is the specific heat of the substance? SELECT AN ANSWER

2.2 J/ g ˚C

.45 J/ g ˚C

.15 J/ g ˚C

.0038 J/ g ˚C

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere