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mash [69]
3 years ago
14

Please give the answer

Chemistry
2 answers:
Sophie [7]3 years ago
8 0

Answer:

A. The battery. D. The wind turbine. E. The solar panels

These give us electrical energy

There is a spelling error, I believe that is supposed to say stretched bow.

By stretching back a bow you are storing (Elastic) Potential Energy.

The transformation is (elastic) potential energy into kinetic energy (with some energy lost as sound and heat)

Sloan [31]3 years ago
6 0
D gives electrical air
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How many moles of KNO3 are in 500 mL of 2. 0 M KNO3? mol KNO3.
8090 [49]

The moles can be defined as the mass of the substance with respect to molar mass. The moles of potassium nitrate is 1 mol.

<h3>How to calculate moles of a substance?</h3>

The moles of a compound can be calculated from:

\rm Moles=\dfrac{Mass}{Molar\;mass}

The molarity can be defined as the moles of solute in a liter of solution.

The molarity can be expressed as:

\rm Molarity=\dfrac{Moles\;\times\;1000}{Volume\;(mL)}

The molarity of potassium nitrate solution is 2 M, and the volume is 500 mL.

The moles of potassium nitrate is given as:

\rm 2\;M=\dfrac{Moles\;\times\;1000}{500\;mL}\\ Moles=\dfrac{2\;\times\;500}{1000}\;mol\\ Moles=1\;mol

The moles of potassium nitrate in 2 M, 500 mL solution are 1 mol.

Learn more about moles, here:

brainly.com/question/15209553

4 0
1 year ago
Name the two properties of elections that indicate a wave-like nature.
tangare [24]
<span>The wave nature of an electron is indicated by its motion and the diffraction and interference of electrons in a beam.</span>
4 0
3 years ago
Color is an example of
Nuetrik [128]

Answer:

a physical property

Explanation:

Color does not change state.

- Hope that helped! Please let me know if you need further explanation.

3 0
2 years ago
(b) What amount (mol) of H₂ can be produced from the given mass of H₂O?
Luden [163]

8 moles of H 2O are produced.

First, we need to figure out the chemical equation for producing water with oxygen which is H 2 + O2 = H 2O. Then, we need to balance the equation, resulting in 2H 2 + O2 = 2H 2O.

<h3>How many moles of H2 are required to make one mole of NH3?</h3>

Calculate 0.88074 mol H2's mass. If N2 is too much, 1.776 g H2 is needed to create 10.00 g of NH3. To create 8.2 moles of ammonia, 2 moles of NH3 are created when 1 mole of N2 and 3 moles of H2 mix. 4.1 moles of N2 Fast are consequently needed to make 8.2 moles of NH3.

<h3>How many moles of h2 are needed to produce a solution?</h3>

An O-H bond has a bond energy of 1 09 Kcal. 3.6. A 38.0mL 0.026M HCl solution and a 0.032M NaOH solution react. Thus, 10 moles of NH 3 are obtained by dividing 15 moles of H2 by the 1.5 moles of H2 required for the product. and 9.3 x 10-3 moles of bromobutane (1.27/137 =.00927moles).

Learn more about H2O:

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8 0
1 year ago
Which genotype(s) and phenotype for fur length are dominant?
GREYUIT [131]

If you have a hamster with short fur, what possible genotypes could the hamster have?

Answer:  <u>FF or Ff </u>

Explanation:

If you have a hamster with short fur, what possible genotypes could the hamster have? FF or Ff . ... The mystery hamster was a genotype ff and the phenotype for long fur and the parents can create offspring that have long fur or short fur because they are heterozygous dominant.

next question

If you have a hamster with long fur, what possible genotypes could the hamster have?

Answer: <u>Ff or ff </u>

Explanation:

If you have a hamster with long fur, what possible genotypes could the hamster have? Ff or ff . ... The mystery hamster was a genotype ff and the phenotype for long fur and the parents can create offspring that have long fur or short fur because they are heterozygous dominant.

5 0
3 years ago
Read 2 more answers
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