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Sveta_85 [38]
3 years ago
12

Which field of study includes several laws that describe how energy transfer

Chemistry
2 answers:
aliina [53]3 years ago
7 0

Answer: Thermodynamics

madam [21]3 years ago
6 0
The answer to your equation is c
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Help me with this one please!
Allisa [31]

Answer:

sorry i dont know

Explanation:

3 0
3 years ago
What are the four important steps needed to obtain accurate melting points on a mel-temp
AveGali [126]

Explanation:

1) refine the specimen into fine powder 2) place the smallest amount you can see in the capillary tube 3) set the voltage to increase exponentially to 200 below the predicted temperature, then adjust so that the temperature rises to 20 per minute 4) report the temperature at which the liquid first appears and the temperature at which the last crystal disappears.

3 0
3 years ago
In the reaction n2 + 3h2 ---> 2nh3, how many grams of nh3 are produced if 25.0 g n2 reacts with excess h2? question 10 option
Lisa [10]
Molar mass of N2 = 28

Moles of N2 = 25 / 28 = 0.89

So, moles of NH3 produce = 2 x 0.89 = 1.78 

Note: H2 is in excess. so no need to care about it. 
8 0
3 years ago
a chemist is studying an unknown substance he can break it into its elemental only by using chemical means.Based on this observa
Vanyuwa [196]

Answer:

Compound

Explanation:

We want to know if it's a compound or a mixture.

An example of a mixture is salt water: you can heat it hot enough to boil off the water, leaving only the salt. This is a physical change, which is how you know it's a mixture.

Something like gold is a compound: if you heat it, or hit it, you'll still only have gold. You can only break it down by chemical means, which is how you know it's a compound.

4 0
3 years ago
The average air tempature in an area over a long period of time is called
labwork [276]
Climate change or it could just be Climate,
Hopefully that helps ❤
3 0
3 years ago
Read 2 more answers
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