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Kitty [74]
3 years ago
14

Check wether all the answers are correct or not. please?​

Chemistry
2 answers:
slavikrds [6]3 years ago
8 0
You spelled whether wrong
zhenek [66]3 years ago
3 0

Answer:

I dont now but I think it is correct

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3 years ago
Why is peer review an Important part of the scientific process
guajiro [1.7K]
Peer review involves subjecting the author's scholarly work and research to the scrutiny of other experts in the same field to check its validity and evaluate its suitability for publication. A peer review helps the publisher decide whether a work should be accepted.
7 0
3 years ago
The transfer of energy by waves is also known as _______
Verdich [7]

Answer:

wave

Explanation:

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i hope this helps and your welcom

5 0
3 years ago
When a pendulum swings, if it is not continuously pushed it will not stop eventually because some of its energy is changed into.
Vladimir79 [104]
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7 0
3 years ago
A stock solution of ammonia in water is 28 wt% NH3. The Formal Weight (FW) of NH3 is 17.03 g/mol). The solution density at room
weqwewe [10]

Answer:

[NH₃] = 14.7 mol/L

Explanation:

28 wt% is a type of concentration that indicates that 28 g of ammonia is contained in 100 g of solution.

Let's determine the amount of ammonia:

28 g . 1 mol / 17.03g = 1.64 moles of NH₃

You need to consider that, when you have density's data it is always referred to solution:

Mass of solution is 100 g, let's find out the volume

0.90 g/mL = 100 g /V

V = 100 g / 0.90mL/g → 111.1 mL

We convert the volume to L → 111.1 mL . 1 L/1000mL = 0.1111 L

mol/L = 1.64 mol/0.1111L → 14.7 M

mol/L = M → molarity a sort of concentration that indicates the moles of solute in 1L of solution

4 0
3 years ago
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