= k
<u>Explanation:</u>
The relation between volume, V of gas and Temperature, T of a gas is related by Charles Law.
This law states that the volume of a given amount of gas held at a constant pressure is directly proportional to the Kelvin temperature
Thus,
= k
where k is a constant
Therefore,
= 
= 
...
This shows, as the volume of a gas goes up, the temperature also goes up and vice-versa.
<span>oxygen is a mixture and a rock is a pure substance.</span>
Answer:
You can boil or evaporate the water and the salt will be left behind as a solid. If you want to collect the water, you can use distillation. This works because salt has a much higher boiling point than water. One way to separate salt and water at home is to boil the salt water in a pot with a lid.
Explanation:
14.
Both are ionic compounds and therefore oxidize to certain states. Mg has an oxidation state of +2, Cl has an oxidation state of -1, Na has an oxidation state of +1, and O has an oxidation state of -2.
15.
Using the same oxidation states, you write the formulas of your products.
16.
You know that you must have the same number of elemental atoms on one side of the reaction as you do on the other. With this balanced equation, you see that both the left and right sides have 1 Mg, 2 Cl, 2 Na, and 1 O.
As a bonus, you can also add in the states of the compounds:
17. This is a double replacement reaction (also called a metathesis reaction, or a double displacement reaction), because one element within one compound basically switches places with the element in the other compound. It is also a precipitation reaction, because a precipitate (MgO) is formed.
Hope this is helpful!
Answer:
Cells are the basic building blocks of all living things.
The human body is composed of trillions of cells.
They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Cells have many parts, each with a different function.
I hope it helps....
