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exis [7]
3 years ago
14

The chemical which is changed into the product

Chemistry
2 answers:
seropon [69]3 years ago
5 0
The chemical change can occur can be find if you mix the two solids in one direction
Alex3 years ago
4 0

In a chemical reaction, substances (elements and/or compounds) called reactants are changed into other substances (compounds and/or elements) called products. You can't change one element into another in a chemical reaction

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What is the relationship between the number of gas particles and volume ?
choli [55]

Answer:

V ∝ n  

Step-by-step explanation:

Suppose that pressure and temperature are constant.

If you try to force more molecules of air into a balloon, the balloon will expand.

This is an example of <em>Avogadro's Law</em>: the volume of a gas is directly proportional to the number of moles (particles).

V ∝ n

8 0
3 years ago
Which element would be the least similar to magnesium (Mg)?<br> A. Sr<br> B. Na<br> C. Be<br> D. Ca
Alika [10]

Answer:

B: NA

Explanation:

this is the apex answer

3 0
3 years ago
A sample of helium gas in a balloon is compressed from 4.0 L to 3.2 L at a constant temperature. If the pressure of the gas in t
vampirchik [111]

Answer:

286 kPa

Explanation:

Boyles law states that volume of gas is inversely proportional to pressure o gas for a fixed amount of gas at constant temperature

P1V1 = P2V2

where P1 is pressure and V1 is volume at first instance

P2 is pressure and V2 is volume at the second instance

substituting the values in the equation

229 kPa x 4.0 L = P2 x 3.2 L

P2 = 286.25 kPa

the new pressure is 286 kPa

4 0
3 years ago
The _________________ are either elements or compounds which are present prior to a chemical reaction.
mr Goodwill [35]
Reactants would be the missing word in the sentence because they make up the products in a chemical reaction
3 0
2 years ago
Read 2 more answers
How many molecules are in 3cacl2
Travka [436]

Answer:

The molar mass and molecular weight of 3CaCl2 is 332.952. 

5 0
3 years ago
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