The property to be used is sieving. you get a bowl and a sieve when you pour the sand and salt,the salt being the small particle sieve to the bowl while the sand remain on the sieve as residue
For #4 is 298.48 hope it is correct
Answer:
I think that a pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.
Explanation:
<span>C<span>l2</span>CHC<span>H2</span>OH<ClC<span>H2</span>C<span>H2</span>OH<C<span>H3</span>C<span>H2</span>OH</span>
Answer:
Gas pressure is measured in units such as torr, mmHg, atm, and Pa. ... You can see mass is small, Volume is large. - hense a small ... The pressure increases if volume decreases. ... For each of the following changes of the initial balloon, select ... A sample of nitrogen (N2) has a volume of 60.0 L at a pressure of 725 mmHg.
Explanation: