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Sever21 [200]
3 years ago
14

A newton is used to measure force. True or False?

Chemistry
1 answer:
romanna [79]3 years ago
7 0

Answer:

true

Explanation:

The newton is the measure of force. One newton is equal to 1 kilogram meter per second squared.

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using the equaation 2h2+o2-->2h2o if 10.0g of hydrogen are used in the presence of excess oxygen how many grams of water will
astra-53 [7]

Answer:

90g of H2O

Explanation:

2H2 + O2 —> 2H2O

First, we calculate the molar masses of H2 And H20.

Molar Mass of H2 = 2g/mol

Mass conc of H2 from the balanced equation = 2 x 2 = 4g

Molar Mass of H2O = 2 + 16 = 18g/mol

Mass conc of H2O from the balanced equation = 2x18 = 36g

From the equation,

4g of H2 produced 36g of H2O

Therefore, 10g of H2 will be produce = (10x36)/4 = 90g of H2O

7 0
2 years ago
Name the following:<br> Simple chemical molecules made of single unit
Stolb23 [73]

Answer:

atom is the answer I think

7 0
2 years ago
You notice that you cannot read your book through a test tube of fluid held against the print, making it so blurred as to be unr
saveliy_v [14]

Answer:

b. colloid

Explanation:

Colloids are solutions that are going to have a solute and a solvent, but the size of the particles are bigger than in a solution that is clear. that is the reason that it looks blurred because the particles are bigger.

In the other hand, these particles of the solute are big, but not so big and heavy as in a suspension, so they are not going to precipitate in the bottom.

The movement of the particles are called Brownian movement, and they are the responsible to avoid to settle down at the bottom of the recipient.

3 0
3 years ago
Which statement about atoms and molecules is
Pavel [41]

Elements always exist as pair of atoms called molecules .

Explanation:-

  • The material which has only one types of similar atoms called element .
  • Ex:-Sodium,Carbon etc
8 0
3 years ago
Read 2 more answers
“The maximum amount of energy that can be used to do work.” This statement describes which measure?
Elza [17]
Free energy is the amount of energy that can do work.

Free energy is the internal energy of a system less the amount of energy that cannot perform work. 
7 0
3 years ago
Read 2 more answers
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