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AnnZ [28]
3 years ago
8

What two things are conserved in a chemical reaction?

Chemistry
1 answer:
Sloan [31]3 years ago
3 0
Mass and atoms are the properties conserved in every ordinary chemical reaction.

Hope this helps!
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What items are true about a block of ice at -10°C as you continue to apply heat
zhenek [66]

1. its temperature will rise continuously until it melts

I don't believe that any of the other answers are correct because it can not stay at a certain temperature if it is melting

5 0
3 years ago
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. what is w
trasher [3.6K]

What's wrong with this setup is the substrate on which you have positioned the drop is "dirty and unclean" meaning it is not being dampened by the solution. This action can be corrected by comprehensively cleaning the substrate where the drop will be positioned.

7 0
3 years ago
Read 2 more answers
How many atoms are in 0.31 moles
padilas [110]
1 mole contains = 6.02x10^23 atoms. 0.31mole contains = 0.31x6.02x10^23 = 1.8662x10^23.
4 0
3 years ago
Help quick? Which of the following statements best compares nuclear power and hydropower based on their rates of renewal?
liubo4ka [24]

Answer:

Hydropower has a faster rate because water is continuously being recycled through the hydrogeological cycle.

Explanation:

The source of hydropower is mostly from water which is a part of the hydrogeological cycle. Water is renewed at a faster rate within the weather system from time to time. We can easily forecast and predict an areas potency of generating hydro-electricity. Water is a renewable resources.

For nuclear power, the source is geological. Not all elements are radioactive. A certain condition must be fulfilled for spontaneous radioactivity in an isotope. Minerals are mined for their useful radioactive materials which serves as fuels in nuclear power plant. Geological processes takes a very long time to occur and so the sources of nuclear power is not easily renewed. In fact, they are classified as part of non-renewable resources.  

5 0
3 years ago
How many milliliters of a solution of 8.8M CaBr2 are needed to prepare 175 mL of a 2.2M solution?
patriot [66]

The product of molarity and volume of any substance at a fixed temperature is constant. Therefore comparing two portions of different molarity, we can say that, M₁V₁=M₂V₂

M represents the molarity, V represents volume of the solution.

M₁ in the question is 8.8M

M₂ is 2.2M

V₁=?

V₂= 175

therefore,

8.8ₓV₁= 2.2ₓ175ml

V₁=(2.2ₓ175ml)/8.8

=43.75 ml

7 0
3 years ago
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