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postnew [5]
3 years ago
14

I need helpon science ASAP will bive brainlist

Chemistry
1 answer:
frosja888 [35]3 years ago
3 0

Answer:

1

Explanation:

it is a trench so if they went together then they would rise up but if they missed then it would create a hole

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2) Convert 2.65*10^ ^ 25 atoms of Chlorine to moles of CI
Irina18 [472]

Answer:

22 mol

Explanation:

Given data:

Number of atoms of Cl = 2.65×10²⁵ atom

Number of moles of Cl = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

2.65×10²⁵ atom × 1 mol / 6.022 × 10²³ atoms

0.44×10² mol

22 mol

7 0
3 years ago
An alpha particle is equivalent to a _____ nucleus.
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Which substance is the reducing agent in this reaction? 2KMnO4+3Na2SO3+H2O→2MnO2+3Na2SO4+2KOH
olganol [36]
I believe <span>Na2SO3  is the solution to the problem.</span>
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3 years ago
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Which of the following materials is necessary to stop a beta particle
stich3 [128]
The material needed to stop a beta particle is c. thin pieces of wood.
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As one mass increases, what happens to the gravitational force.
Shalnov [3]

Answer:

Gravitational force is directly promotional to the mass

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Explanation:

More massive objects will attract each other with

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