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3 years ago

A plant uses the energy from sunlight to create oxygen and glucose from carbon dioxide and water. Which statement is true about

Chemistry

1 answer:

Roman55 [17]3 years ago

7 0

Answer:d

Explanation:so it can grow

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Help please Thank You so much!

Irina18 [472]

If you count the number of electrons (small dots), you have the atomic number. In this case you have 11 so this atom is a sodium atom. Sodium has 1 valence electron (electron on the outer shell) and chlorine has 7. This means that if sodium gave one electron away and chlorine would obtain one electron, they would both have the (ideal) noble gas conformation (full outer shell).

4 0

3 years ago

The table shows data for two groups of plants one grown with fertilizer and the other without fetalizer was the mean height of t

Dmitrij [34]

Answer:

D is the correct answer.

Explanation:

I took the test on A pex. Everyone make sure you look at your answers. They are NOT always in the same order.

8 0

2 years ago

How many molecules are in

diamong [38]

Answer:

3.6 × 10²⁴ molecules

Explanation:

Step 1: Given data

Moles of methane (n): 6.0 moles

Step 2: Calculate the number of molecules of methane in 6.0 moles of methane

In order to convert moles to molecules, we need a conversion factor. In this case, we will use Avogadro's number: there are 6.02 × 10²³ molecules of methane in 1 mole of molecules of methane.

6.0 mol × 6.02 × 10²³ molecules/1 mol = 3.6 × 10²⁴ molecules

6 0

2 years ago

How many grams of water will be produced from 50 g hydrogen reacting with 50 g oxygen?

DanielleElmas [232]

We need to first come up with a balanced equation:

$4H+O_{2}$ → $2H_{2}O$

We know that the molar ratio of hydrogen to oxygen to water now is 4:1:2.

Converting the amount of grams given to moles is as follows:

Hydrogen: $\frac{1mole}{1.008g}*50g=49.6mol$

Oxygen: $\frac{1mole}{15.999g}*50g=3.125mol$

We know now that the limiting reactant is oxygen. We can then know that the number of moles of water are produced are double the number of moles of oxygen used due to the ratio that we established at the beginning - 4:1:2.

So we now can use 6.25 moles of water as the amount produced.

Then we convert moles of water to grams:

$\frac{18.015g}{1mole} *6.25mol=112.59g$

Now we know that there are 112.59g of water produced when we start with 50g of hydrogen and 50g of water.

4 0

2 years ago

Which of the following best describes an advantage of genetic engineering?

amm1812

Answer:

Explanation:

4 0

2 years ago

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