The mass of the aluminum sample is 0.2301 kg. The density of aluminum is 2.70 g/ cm3. Calculate the volume of the sample.

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

the temperature of the gas, in k, not celsius.

the dissolution of polymer can be thermodynamically described in 2 steps.