3. Which of the following quantities is a density? (hint check your units!) a. 9 cal/g
b. 100 cm/m
c. 1.5 gL
d. 454 g/lb

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

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 bromine+calcium iodide--> calcium bromide +iodine balanced