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3 years ago

Which gas is needed for photosynthesis?

Chemistry

2 answers:

Nikolay [14]3 years ago

7 0

Answer: Carbon dioxide

Explanation:

Kay [80]3 years ago

7 0

Answer:

carbon dioxide

Explanation:

During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and carbon dioxide into glucose.

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In general, what causes a sea breeze?

ella [17]

Answer:

The usual cause of sea breeze is the difference in specific heat capacity between land and water Land heats and cools more quickly than water. What is the cause of a sea breeze? The air over the land is warmed and rises, to a greater temperature than that over the sea.

Explanation:

Your answer is C ! <3

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3 years ago

what is the net electrical charge on a magnesium ion that is formed when a neutral atom loses two electrons?

nasty-shy [4]

This magnesium ion will have a charge of +2. This is because it retained the same number of protons and neutrons, but the loss of 2 electrons (with negative charge) means that there are now 2 extra protons compared to electrons, and those 2 protons give a net charge of +2.

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3 years ago

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A piece of silver (Ag) metal weighing 194.3 g is placed in a graduated cylinder containing 242.0 mL of water. The volume of wate

mariarad [96]

Answer: The density of silver metal will be $10.50g/ml[\tex]Explanation:Density is defined as the mass contained per unit volume.[tex]Density=\frac{mass}{Volume}$

Given : Mass of silver = 194.3 grams

Volume of silver= volume of water displaced= $260.5-242.0=18.5mltex]Putting in the values we get:[tex]Density=\frac{194.3g}{18.5ml}=10.50g/ml/tex]Thus density of silver metal will be [tex]10.50g/ml$

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3 years ago

Read 2 more answers

1. How isotopes of copper are Cu-63 and Cu-65. How are these two isotopes the same? How are they different?

Mrrafil [7]

Answer:

question 6. answer is Metals are considered to be electropositive in nature due to their ability to donate electrons. Whereas non-metals are electronegative as they generally accept electrons

6 0

3 years ago

Read 2 more answers

3. How many moles are in 1.49 x 1023 molecules of iodine?

tino4ka555 [31]

Answer:

<h3>The answer is 0.25 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{1.49 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{1.49}{6.02} \\ = 0.247508305...$

We have the final answer as

<h3>0.25 moles</h3>

Hope this helps you

7 0

3 years ago