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FinnZ [79.3K]
3 years ago
11

Please help

Chemistry
1 answer:
aev [14]3 years ago
5 0

Answer:

Copper(II) sulphate – sodium hydroxide reaction

The reaction between copper(Il) sulphate and sodium hydroxide solutions is a good place to start. If you slowly add one to the other while stirring, you will get a precipitate of copper(II) hydroxide, Cu(OH)2.

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What is technological design useful for?
valkas [14]

Answer:

The process of designing a new technology includes much more than just coming up with a good idea. Possible limitations, or constraints

Explanation:

hope it helps alot

7 0
3 years ago
In terms of newtons 3rd law of motion desribe this picture.
KIM [24]
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5 0
3 years ago
How many liters of solution will contain 1.5 moles of CaCl2 if the solution is 6.0 M CaCl2?
sashaice [31]

Answer:

0.25

Explanation:

volume= number of moles over concentration

hence v=1.5/6

6 0
3 years ago
How many liters of solution would it take to make a 0.250 M solution when you have 3.52 moles of solute?
Butoxors [25]

Answer:

The volume of solution in liters required to make a 0.250 M solution from 3.52 moles of solute is 14.08 liters of solution

Explanation:

The question relates to the definition of the concentration of a solution which is the number of moles per liter (1 liter = 1 dm³) of solution

Therefore we have;

The concentration of the intended solution = 0.250 M

Therefore, the number of moles per liter of the required resolution = 0.250 moles

Therefore, the concentration of the required solution = 0.250 moles/liter

The volume in liters of the required solution that will have 3.52 moles of the solute is given as follows;

The required volume of solution = The number of moles of the solute/(The concentration of the solution)

∴ The required volume of solution = 3.52 moles/(0.250 moles/liter) = 14.08 liters

The required volume of solution to make a 0.250 M solution from 3.52 moles of solute = 14.08 liters.

Therefore the number of liters required to make a 0.250 M solution from 3.52 moles of solute = 14.08 liters.

8 0
3 years ago
What source of thermal energy does an internal combustion engine use?
Dafna1 [17]

Answer:

D

Explanation:

The source of the thermal energy in a combustion engine is the spark from the spark plug that ignites the fuel and air mixture converting chemical energy into thermal energy.

5 0
3 years ago
Read 2 more answers
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