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skelet666 [1.2K]
2 years ago
9

What is the smallest things that the solar system formed form?

Chemistry
1 answer:
MaRussiya [10]2 years ago
4 0

Explanation:

Asteroids nd comets are pretty small.

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What is potential energy?
pantera1 [17]

Answer:

A. stored energy

Explanation:

potential energy is stored energy.

kinetic energy is the energy of motion

7 0
2 years ago
Read 2 more answers
In the chemical reaction where iron and oxygen creates iron oxide,
NARA [144]

Answer:

Iron is a product.

Explanation:

7 0
2 years ago
What is the molar mass of CaCL2•2 H2O
kotykmax [81]

Answer:

147 amu

Explanation:

CaCl2. 2H2O

=>40*1+35.5*2+2*1*2+2*16

=>40+71+4+32

=>147 amu..

I hope u will understand it:-):-)

6 0
3 years ago
Which of these solutions are basic at 25 °C? Solution A: [OH−]=3.13×10−7 M Solution C: [H3O+]=0.000747 M Solution B: [H3O+
solong [7]

Answer:

Are basic:

[OH⁻] = 3.13x10⁻⁷M and [H₃O⁺] = 9.55x10⁻⁹M

Explanation:

A solution is basic when pH = - log [H₃O⁺] is higher than 7.

It is possible to convert [OH⁻] to [H₃O⁺] using:

[H₃O⁺] = 1x10⁻¹⁴ / [OH⁻]

a. [OH⁻] = 3.13x10⁻⁷M

[H₃O⁺] = 1x10⁻¹⁴ / [3.13x10⁻⁷M]

[H₃O⁺] = 3.19x10⁻⁸M

pH = - log [H₃O⁺] = 7.50

[OH⁻] = 3.13x10⁻⁷M is basic

b. pH = -log [H₃O⁺] = - log 0.000747M = 3.13.

This solution is not basic

c. [H₃O⁺] = 9.55x10⁻⁹M

pH = 8.02

This solution is also basic.

8 0
2 years ago
At standard pressure, the difference between the freezing point and the boiling point of water, in Kelvin degrees, is D. 373 A.
Sergio [31]
The answer to this question is A. 100
 

7 0
2 years ago
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