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3 years ago

12

1. What is a chemical reaction?

1 answer:

atroni [7]3 years ago

6 0

a chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances known as products. a chemical reaction rearranges the constituent atoms of the reactants to create different substances as products

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Is the water density higher than the aluminum density

posledela

No
Water’s density is 1 g/cm3 and AL is 2700kg/m3

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3 years ago

Which is the net result of the proton-proton chain? 6 protons = 2 heliums + 3 positrons + 3 neutrinos + gamma rays 4 protons = 1

saveliy_v [14]

Answer: 5.125 neutrinos

Explanation:

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3 years ago

Which element does not have the same number of electrons in its outermost shell as the other elements in its group?(1 point)

Natalija [7]

Answer:

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Explanation:

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3 years ago

Find the average speed of a person who swims 105 m in 70 s

spin [16.1K]

Answer:

v = 1.5 m/s

Explanation:

Given that,

Distance covered by a person, d = 105 m

Time taken, t = 70 s

We need to find the average speed of the person. We know that the average speed is given by :

$v=\dfrac{d}{t}\\\\v=\dfrac{105\ m}{70\ s}\\\\v=1.5\ m/s$

So, the average speed of the person is equal to 1.5 m/s.

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3 years ago

Calculate 5+7*3*<br><br> Your answer:

Mrac [35]

I got the answer 26
I’m confused what the star after the 3 is

hoped this helped:)

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3 years ago

Read 2 more answers