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m_a_m_a [10]
3 years ago
15

Which kind of investigations allow for the control of variables?

Chemistry
1 answer:
Butoxors [25]3 years ago
5 0

Answer:

the answer to this is O hypothesis

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garri49 [273]

Answer:

I think its a.The hockey puck loses heat molecule's.

7 0
3 years ago
If a transverse wave travels 10 meters in 5 seconds what is its speed
matrenka [14]
2 meters per second. You do 10 divided by 5 to find your answer, which is 2.
5 0
3 years ago
What is the density (g/L) of 5.0 moles of NH3, at 1.18 atm and 25.0°C?
Goryan [66]
The answer will be 4667C
5 0
2 years ago
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Which best defines nitrogen fixation
arlik [135]

Answer: the conversion of nitrogen gas into a usable form

Explanation: its a process that bacteria converts nitrogen gas into a usable form

5 0
3 years ago
What is the molarity of a solution of 14.0 g NH4Br in enough H2O to make 150 mL of solution?
kiruha [24]
The molarity of a solution equals to the mole number of the solute/the volume of the solution. For NH4Br, we know that the mole mass is 98. So the molarity is (14/98) mol /0.15 L=0.95 mol/L.
8 0
3 years ago
Read 2 more answers
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