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3 years ago

What is the source of the electrons produced in beta decay

Chemistry

1 answer:

Vitek1552 [10]3 years ago

8 0

Answer:

Beta rays are electrons.

Explanation:

A neutron in the nucleus of a radioactive atom decays into a proton and an electron, which is emitted from the atom.

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A friend tells you that plants grow and gain mass only because of the nutrients they pull out of the soil. It this statement tru

Nutka1998 [239]

The statement that the friend made is not true. most of the mass of the plant is from carbon. the carbon comes from carbon dioxide which is used during photosynthesis. the left over carbon from photosynthesis is used to to help the plant gain mass. there is a process for this which is called cellular respiration

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4 years ago

Your teacher gives you a big chunk of salt and wants you to find out if it will dissolve in

cluponka [151]

Answer:

Water

Explanation

there is a hard way and an easy way to do this either you fill it up with cold water and it takes longer to disolve or you use hot/room temp water and it disolves faster because the sault particles slowly break of from one another and then disolve with in the water

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3 years ago

A flying airplane is affected by which force or forces

musickatia [10]

The answer should be c

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3 years ago

Read 2 more answers

Draw the structure of the grignard reagent formed from the reaction of p−bromofluorobenzene with magnesium in diethyl ether. cli

Nonamiya [84]

This is the structure. The magnesium bromide will complex with the carbanion.

8 0

4 years ago

To determine the concentration of chloride ion (Cl-) in a 100 mL sample of ground water, a chemist adds a large enough volume of

Orlov [11]

Answer:

$[Cl^-]=232.3\frac{mgCl^-}{L}$

Explanation:

Hello,

In this case, we can represent the chemical reaction as:

$Cl^-(aq)+AgNO_3(aq)\rightarrow AgCl(s)+NO_3^-(aq)$

In such a way, since the mass of the obtained silver chloride is 93.9 mg, we can compute the chloride ions in the ground water by using the following stoichiometric procedure whereas the molar mass of chloride ions and silver chloride are 35.45 g/mol and 143.32 g/mol respectively:

$m_{Cl^-}=93.3mgAgCl*\frac{1mmolAgCl}{143.32mgAgCl}*\frac{1mmolCl^-}{1mmolAgCl} *\frac{35.45mgCl^-}{1mmolCl^-} =23.23mgCl^-$

Finally, for the given volume of water in liters (0.100L), we compute the required concentration:

$[Cl^-]=\frac{23.2mgCl^-}{0.100L}\\$

$[Cl^-]=232.3\frac{mgCl^-}{L}$

Best regards.

5 0

4 years ago