What is the mass of a wooden block with a density 2.0 and a volume of 7.0? (Need answer ASAP!!)

One does not belong why? ice, gold ,wood ,diamond and table salt

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.