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Eduardwww [97]
3 years ago
5

Answer questions 2 and 3

Chemistry
1 answer:
nlexa [21]3 years ago
4 0

Answer:

2:a-heterogenous

b-homogenous

c-heterogenous

d-heterogenous with water

3:Filtration is used to separate insoluble particles from a solution

Distillation is used to separate liquids with close but different boiling points e.g water and ethanol

Explanation:

2: homogenous mixtures form a uniform layer meaning that a mixture containing more than one layer is heterogenous

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The graph above represents an object moving with a __________________. A) constant velocity B) constant acceleration C) constant
Ann [662]

Answer: I think its C or B

Explanation: Hope this was helpful....

4 0
3 years ago
What does moderate mean in chemistry?
Eduardwww [97]

Answer:

Moderate reaction means those reactions which proceed with a measurable rates at the normal room temperature.

7 0
3 years ago
Write a full chemical equation for the reactions between magnesium and sulfuric acid
melamori03 [73]

Answer:

magnesium + hydrochloric acid → hydrogen gas + magnesium chloride

explanation:

the nitrogen in HNO3 is in the +5 oxidation state and is easily reduced. The reduction would result in the oxidation of the hydrogen gas, forming the water once again.The sulfur in H2SO4 is also in its highest oxidation state, +6.

<em>Hope</em><em> this</em><em> helps</em><em> </em><em>:</em><em>)</em>

6 0
3 years ago
What makes an acid a strong acid in water makes a base or weak base
11Alexandr11 [23.1K]
It’s ph level on the ph scale. 1-3 is a strong acid, 4-6 is a weak acid, 7 is neutral, 8-10 is a weak base, and 10-14 is a strong base.
8 0
2 years ago
What is the molarity of a solution of 17.0 g of nh4br in enough h2o to make 158 ml of solution? answer in units of m?
vivado [14]
Unit of M is also mole/L, where mole is the moles of solute and L is the volume of the solution.  The latter is given: 158 mL or 0.158 L.  So we need to find out the moles of NH4Br.

Moles of NH4Br = Mass of NH4Br/molar mass of NH4Br = 17.0g/(14+1*4+79.9)g/mol = 0.1736 mole.

So, the molarity of the solution = 0.1736mole/0.158L = 1.10 mole/L = 1.10 M
6 0
3 years ago
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