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3 years ago

When sunlight excites electrons in chlorophyll, how do the electrons change?

1 answer:

5 0

When the sunlight hits the electrons in the chlorophyll, these electrons would change by increasing its energy level. Then the electrons would move from one molecule to another in the thylakoid membrane, thus making the plant replenish its electrons using water energy.

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Mixing baking soda with vinegar is an example of an oxidation-reduction

34kurt

Answer:

B. False

Explanation:

The reaction of baking soda and vinegar produces carbon dioxide gas. It is an example of precipitation reactions.

4 0

3 years ago

Which feature is a physical property of copper? A oven mitts B a wooden spoon C a metal bowl D rubber soled shoes

FrozenT [24]

metal bowel

because copper is metal...

8 0

3 years ago

Read 2 more answers

Predict using Boyle's law, what will happen to a balloon that an ocean diver takes to a pressure of 202 kPa.

kobusy [5.1K]

The volume of the balloon will halve

Explanation:

Boyle's law states that for an ideal gas kept at constant temperature, the pressure of the gas is proportional to its volume. Mathematically,

$pV=const.$

where

p is the gas pressure

V is the volume

The equation can also be rewritten as

$p_1 V_1 = p_2 V_2$

And if we apply it to the gas inside the balloon in this problem (assuming its temperature is constant), we have:

$p_1 = 101 kPa$ is the initial pressure at sea level (the atmospheric pressure)

$V_1$ is the initial volume

$p_2 = 202 kPa$ is the final pressure

$V_2$ is the final volume

Substituting into the equation, we find:

$V_2 = \frac{p_1 V_1}{p_2}=\frac{(101)V_1}{202}=\frac{V_1}{2}$

Which means that the volume of the balloon will halve.

Learn more about ideal gases:

brainly.com/question/9321544

brainly.com/question/7316997

brainly.com/question/3658563

#LearnwithBrainly

6 0

4 years ago

Because P and S waves travel faster through the Earth's mantle than through Earth's crust, scientists know that the mantle is __

larisa [96]

B. liquid and less denser

6 0

3 years ago

Read 2 more answers

Thallium consists of 29.5%TI-203 and 70.5%TI-205. What is the relative atomic mass of thallium?

Kazeer [188]

Since you are referring to the TI-203 and TI-205, you need to know the actual masses of these two isotopes. TI-203 has 202.9723 amu and TI-205 has 204.9744 amu. Since you are concluding that this Thallium have 29.5% (Ti-203) and 70.5% (Ti-205), you need to multiply the percentage to the actual masses of the isotopes. With that, you should be able to get 204.3833 amu

7 0

3 years ago