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3 years ago

Which of these processes removes carbon from

Chemistry

1 answer:

GenaCL600 [577]3 years ago

3 0

Answer is c photosynthesis

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3. How would you classify the following? (time, mass, temperature, distance)

OverLord2011 [107]

A. Time; b. Temp. ; c. Mass.; d. Distance

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4 years ago

Turn on Write equation. What you see is an equation that shows the original uranium atom on the left. The boxes on the right rep

My name is Ann [436]

Answer:

Uranium-238 undergoes alpha decay to form Thorium-234 as daughter product.

Explanation:

Alpha decay is indicative of loss of the equivalents of a helium particle emission. The reaction equation for this reaction is shown below:

$_{92} ^{238} U_{}$ → $_{90} ^{234} Th_{} + _{2} ^{4} He_{}$

I hope this explanation is clear and explanatory.

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4 years ago

What best explains the observed trend in atomic radii going down the periodic table

Serggg [28]

going down the the periodic table, the number of shells increases resulting in an obvious increase in the atomic radii of the elements

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3 years ago

A 200 mL K2SO4 solution with a concentration of 0.40 M is mixed with 400 mL of a K2SO4 solution containing 7% K2SO4 (m/v). The m

Olegator [25]

Answer:

The final concentration in molarity (M) is 0.4

Explanation:

K₂SO₄ (Potassium sulfate) - Molar mass = 174.3 g/m

First of all, we have 200 mL, 0.4 M

Molarity . volume = mol

(mol/L) . L = mol → 0.4 mol/L . 0.2L = 0.08 moles of salt, in the beginning.

In second situation we have 7% m/v of salt, which means that in 100 mL of solution, we have 7 grams of solute.

7 g / 174.3 g/m = 0.040 moles in 100 mL

Let's think the rule of three:

In 100 mL we have 0.04 moles of salt

in 400 mL we have (400 . 0.04)/100 = 0.16 moles

1st situation: 0.08 moles of salt

2nd situation: 0.16 moles of salt

Total moles = 0.08 + 0.16 = 0.24 moles

Total volume = 200 mL + 400 mL = 600 mL

Molarity = mol/L

0.24 mol / 0.6L = 0.4M

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4 years ago

How do scientists define temperature

kotegsom [21]

A measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system. The temperature of a substance is closely related to the average kinetic energy of its molecules.

I think-

7 0

3 years ago

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