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Luden [163]
4 years ago
6

Track runner will all cover the same distance. The winner will take

Chemistry
2 answers:
joja [24]4 years ago
3 0

Answer:

This question sadly does not make much sense, please rephrase it.

AfilCa [17]4 years ago
3 0

Answer:

LESS TIME

Explanation:

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If the stocks in a system always decrease and never increase, the system has what type of feedback loop? (Select the best answer
AlekseyPX
A psitive feedback
rawmaterial waste

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3 years ago
Which of the following techniques is used to separate proteins by function?
Anon25 [30]

Ammonium sulfate precipitation is used to separate proteins by function

However, it is one of the most commonly used methods for laboratory scale protein purification and fractionation. This method is also used to separate proteins by altering their solubility.

<h3>What is separation techniques?</h3>

Separation technique is a process or method used to the components of mixtures.

There are different types of separation technique which includes sublimation, precipitation, sieving, evaporation and many more.

Learn more about separation techniques:

brainly.com/question/13052303

8 0
2 years ago
4<br> What two particles are found in the nucleus of an atom?<br> protons<br> neutrons<br> electrons
jenyasd209 [6]
Protons and electrons i got it right
6 0
3 years ago
A substance that is present in a reaction but not used up in the reaction is called a _____.
aleksandrvk [35]
They are called spectator ions. 

8 0
3 years ago
How much heat is released as the temperature of 465 g of water drops from 75.0°C to 18.2°C?
Aleks [24]

The heat released : -110560.632 J

<h3>Further explanation</h3>

Heat can be calculated using the formula:  

Q = mc∆T  

Q = heat, J  

m = mass, g  

c = specific heat, joules / g ° C  

∆T = temperature difference, ° C / K  

<h3>Known</h3>

m =465 g

c water = 4.186 J/gram °C

∆T = temperature difference = 18.2 - 75 = - 56.8 °C

Then the heat :

\tt Q=m.c.\Delta T\\\\Q=465\times 4.186\times -56.8\\\\Q=\boxed{\bold{-110560.632~J}}\rightarrow -=exothermic

3 0
4 years ago
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