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Katena32 [7]
2 years ago
14

A physical change differs from a chemical change in hat waste products are formed through chemical changes. true or false?

Chemistry
2 answers:
masha68 [24]2 years ago
4 0
I would say true :D I think
Semmy [17]2 years ago
3 0

The answer is false not true false I said I just got the question wrong it is FALSE. Thank you for your time.

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Write balanced molecular equation for the reaction between nitric acid and calcium hydroxide. Express your answer as a chemical
eimsori [14]

<u>Answer:</u> The balanced chemical equation for the reaction of nitric acid and calcium hydroxide is written below.

<u>Explanation:</u>

A balanced chemical equation is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

The balanced chemical equation for the reaction of nitric acid and calcium hydroxide follows:

2HNO_3(aq.)+Ca(OH)_2(aq.)\rightarrow Ca(NO_3)_2(aq.)+2H_2O(l)

By Stoichiometry of the reaction:

2 moles of nitric acid reacts with 1 mole of calcium hydroxide to produce 1 mole of calcium nitrate and 2 moles of water molecule.

Hence, the balanced chemical equation for the reaction of nitric acid and calcium hydroxide is written below.

6 0
3 years ago
Carbon dioxide in the oceans is affecting its pH.<br><br> a. True<br> b. False
monitta
Its true it affects the pH balance
7 0
2 years ago
An aqueous solution has a normal boiling point of 103.0°
torisob [31]
About 5 degrees  that is

3 0
3 years ago
In large generators in power plants, ___________ rotate inside a coil of wire to produce an electric current
lapo4ka [179]
<h3><u>Answer;</u></h3>

Magnets

In large generators in power plants, <u>magnets</u> rotate inside a coil of wire to produce an electric current.

<h3><u>Explanation;</u></h3>
  • Generators are devices that use electromagnetic induction to convert mechanical energy to electrical energy.
  • In power plants, large wheel known as turbine that rotates when pushed by steam,wind, or water and provides mechanical energy to a generator.
  • <u><em>Generators are used in power plants and have very large quantities of copper wire spinning around inside very large magnets, at very high speeds. A turbine spins the shaft that runs the generator. Eventually, electric current is generated.</em></u>
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2 years ago
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