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blsea [12.9K]
2 years ago
15

Which is a process that converts sunlight energy into a compound that stores chemical energy?.

Chemistry
2 answers:
solmaris [256]2 years ago
6 0

Answer:

photosynthesis is the answer

Explanation:

because organisms convert light energy into chemical energy which can be stored in molecular bonds

RoseWind [281]2 years ago
4 0

Answer:

Photosynthesis

Explanation:

If thats one of the options, thats the answer. Let me know if its not, and I'll be glad to help :)

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Calculate the freezing point of a solution containing 5. 0 grams of kcl and 550. 0 grams of water. the molal-freezing-point-depr
lutik1710 [3]

The freezing point of a solution containing 5. 0 grams of KCl and 550.0 grams of water is  - 0.45°C

Using the equation,

ΔT_{f} = iK_{f}m

where:

ΔT_{f} = change in freezing point (unknown)

i = Van't Hoff factor

K_{f} = freezing point depression constant

m = molal concentration of the solution

Molality is expressed as the number of moles of the solute per kilogram of the solvent.

Molal concentration is as follows;

MM KCl = 74.55 g/mol

molal concentration = \frac{5.0g*\frac{1mol}{74.55g} }{550.0g*\frac{1kg}{1000g} }

molal concentration = 0.1219m

Now, putting in the values to the equtaion ΔT_{f} = iK_{f}m we get,

ΔT_{f} = 2 × 1.86 × 0.1219

ΔT_{f} = 0.4536°C

So, ΔT_{f} of solution is,

ΔT_{f_{solution} } = 0.00°C - 0.45°C

ΔT_{f_{solution} } =  - 0.45°C

Therefore,freezing point of a solution containing 5. 0 grams of KCl and 550.0 grams of water is  - 0.45°C

Learn more about freezing point here;

brainly.com/question/3121416

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7 0
1 year ago
The specific heat capacity of gold is 0.128 J/g C. How much would be needed to warm 250.0 grams of gold from 25.0 C to 100.0 C.
madam [21]

Answer:

3,200 joules

Explanation:

q = mcΔT = (250.0 g)(0.128 j/g°C)(100°C -25°C) = 3,200 joules

7 0
3 years ago
A solution at 25 degrees Celslus 1.0*10^ -5 MH 3 O^ + . What the concentration of OH^ - in this solution?
dexar [7]

Answer:

D.

Explanation:

-log(1.0x10^-5) = pH

pH + pOH = 14 (rearrange it)

OH- = 10^-pOH = 1.0 x 10^-9

- Hope that helped! Let me know if you need further explantion.

7 0
3 years ago
What are examples of inferred energy?
Kisachek [45]
Using a stove to heat up water.  
6 0
3 years ago
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A substance has an atomic number of 80 and a mass number of 178. How many protons does this atom have? How many neutrons does it
Nitella [24]

Answer: idk

Explanation:

Idk

3 0
3 years ago
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