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Ahat [919]
2 years ago
10

A radioactive nucleus emits a beta particle, then the parent and daughter nuclei are

Chemistry
2 answers:
Nana76 [90]2 years ago
3 0

Answer:

isobars

Explanation:

How?

  • A radioactive nucleus emits beta particle(Like uranium,radium)
  • So the mass numbers are same for daughter nuclei .
  • They have different atomic numbes .

So they are isobars

slega [8]2 years ago
3 0

Answer:

⇢Isobars⇢Isobars

Explanation:

⇢Isobars⇢Isobars

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Identify the solute and solvent in a solution made from 15 mL of oxygen and 5 mL of helium.
Marina CMI [18]

Answer:

Oxygen is solvent and Helium is solute.

Explanation:

Helium is a complety inert gas which do not react with other compounds whereas, oxygen can take part in chemical reaction with many compounds.

  • if we mix 15 mL of oxygen and 5mL of helium then the oxygen is the solvent and helium is solute.
  • In a mixture the compound with the greater volume is solvent and the compound with lwss volume is solute.
  • in this case, oxygen has greater volume than that of helium so oxygen is solute and helium is solvent here.
6 0
3 years ago
Explain why the melting point of calcium is high?
DanielleElmas [232]
It takes more energy to breakdown the bonds
5 0
3 years ago
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If a lab requires each a lab group (3 students) to have 25 ml of a solution and it takes 15 grams of AgNO₃ cuprous nitrate, to m
pochemuha

Answer:

0.375 grams are needed to make 25 mL solution.

Explanation:

Mass of AgNO_3 cuprous nitrate required to make 1 l of solution = 15 g.

1 L = 1000 mL

Mass of AgNO_3 cuprous nitrate required to make 1000 mL of solution = 15 g

Mass of AgNO_3 cuprous nitrate required to make 1 mL of solution:

=\frac{15}{1000} g

Mass of AgNO_3 cuprous nitrate required to make 25 mL of solution:

=\frac{15}{1000} \times 25 g=0.375 g

0.375 grams are needed to make 25 mL solution.

4 0
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The elements sodium and chlorine
Olegator [25]

Answer:

combining chemically

Explanation:

this is because theres tranfer of electron from Na to Cl by chemical reaction

7 0
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119 mL of 4.0 M H2SO4 with 229 mL of H2O
motikmotik

Answer:

Uhhhu

Explanation:

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