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3 years ago

If you push on a wall with 200n with what forth with the wall push back

Chemistry

1 answer:

sweet-ann [11.9K]3 years ago

4 0

According to newtons law every action has a equal reaction therefore it will push back 200n aswell

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What is the third alkali metal

andrey2020 [161]

Answer:

potassium

The third alkali metal is K (potassium). The atomic number of K (potassium) is 19. Thus, the atomic number of third alkali metal is 19

Explanation:

3 0

3 years ago

Read 2 more answers

The mass percent of solute in a solution containing 3.73 g KBr dissolved in 131 g of H2O is:

Elina [12.6K]

$\huge \underbrace \mathfrak \red{Answer}$

28%

Explanation:

mass of solute(KBr) = 3.73g

mass of solvent(H2O) = 131g

mass of solution = mass of solute + mass of solvent

= 3.73 + 131

= 134.73g

$\sf \large {mass \: percentage = \frac{mass \: of \: solute}{mass \: of \: solvent} \times 100} \\ \\ \sf mass \: percentage = \frac{3.73}{134.73} \times 100 \\ \\ \sf mass \: percentage = 0.028 \times 100 \\ \\ \sf mass \: percentage = 28\%$

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3 years ago

Which of the following is not an example of a subatomic particle? electron photon neutron proton

asambeis [7]

I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons

5 0

3 years ago

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PLEASE HELP!!!!!

Free_Kalibri [48]

Umm I think it might be a b c in order?

4 0

3 years ago

Draw the line-bond structure of oleic acid (cis-9-octadecenoic acid), CH3(CH2)7CH=CH(CH2)7COOH, at physiological pH. You do not

Elza [17]

Answer:

Explanation:

Oleic acid originates from an unsaturated fatty acid with 18 carbon atoms and one double bond, which can be found in olive oil and many other vegetable and animal oils and fats. Its economic importance includes the production of soap making and cosmetics etc.

The line-bond structure of the given oleic acid in the question can be found in the attached below.

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3 years ago