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Furkat [3]
3 years ago
8

Imagine yourself taking a position at a racecourse, ready to run as soon as you hear the gunshot. Which energy conversion occurs

when you start running?
Chemistry
2 answers:
Volgvan3 years ago
9 0
Potential(stored energy) to kinetic(moving energy)
Evgesh-ka [11]3 years ago
8 0

Answer: chemical energy to mechanical energy

Explanation: potential energy is the energy a body has when it's at rest it a mean position.

Kinetic energy is the energy a body posses when it's in motion or been heated

For a person taking a race course, he is first at a resting position possessing potential energy in form of chemical energy is now been converted to mechanical energy which is used to run.

Energy is stored as chemical energy in the body because it is gotten from food and water eaten.

When activities are been carried out it is converted to kinetic energy

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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
The following data was collected when a reaction was performed experimentally in the laboratory. Determine the ammount of NaNO3
zepelin [54]

equalize the coefficients:

Al(NO3)3+3NaCl=3NaNO3+AlCl3

according to the equation 1 mol Al(NO3)3 reacted with 3 moles NaCl. hence, 4 moles Al(NO3)3 should react with 12 moles NaCl, and 9 moles reacted NaCl. So NaCl is limiting, we decide further on this reagent.

\frac{9}{3}=\frac{x}{3}

3

9

=

3

x

x=9

9 moles NaNO3

6 0
3 years ago
Consider the Van der Vaals equation of state: (????+????????????)(????−????)=???????????? where p is pressure, V is volume, n is
yanalaym [24]

Answer:

Units of a = \frac{atm\ L^2}{mol^2}

Units of b = \frac{L}{mol}

Explanation:

The Van der Waal's equation  is:-

\left(P+\frac{an^2}{V^2}\right)\left(V-nb\right)=nRT

Where,

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value

a and b are van der Waal's constant

If pressure is taken in atm and volume in L. So,

P+\frac{an^2}{V^2} represents the pressure correction term. Then,

Units of a = \frac{atm\ L^2}{mol^2}

V-nb represents the volume correction term. Then,

Units of b = \frac{L}{mol}

6 0
3 years ago
Genetic material (_____) is passed from cell to cell.
Setler [38]

Answer:

DNA

Explanation:

4 0
3 years ago
How many MOLES are in 35.47g of H2SO4?
steposvetlana [31]

Answer:

C

Explanation:

Divide 35.47 by the molar mass

3 0
3 years ago
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