Use 'beta particle' in a sentence.

1 answer:

6 0

By the word alphabet, derived from the Greek names for the first two letters - alpha and beta - of the Greek alphabet, is meant a series of conventional symbols each indicating a single sound or combination of sounds

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What is the correct definition of energy?

scoray [572]

Answer:

The ability to do work

Explanation:

Energy refers to the ability to carry out work.
It is measured in Joules (J).
Energy may exist in different forms such as potential energy when a body is at rest, kinetic energy when the body is in motion, etc.
Energy can neither be created nor destroyed, however, it can be transformed from one form to another. For example, chemical energy may be transformed into mechanical energy or other forms of energy.

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What is a centrifuge used for?

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It is used for the separation of fluids, gas or liquid, based on density.

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If 3.5 g H2 react with 18.7 g O2 what is the limiting reactant?

Pachacha [2.7K]

O2 is the limiting reactant

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How much 2.0 M phenylmagnesium chloride solution is needed if adding 2.9 mmol of Grignard reagent to a reaction? Your answer sho

Vladimir [108]

Answer:

1,45 mL

Explanation:

The Grignard reaction is a very important organometallic chemical reaction where the Grignard reagent ( alkyl, vinyl, or aryl-magnesium halides) acts as nucleophile in order to the formation of Carbon-Carbon bonds.

In the problem, the phenylmagnesium chloride is the grignard reagent. The volume of 2.0 M phenylmagnesium chloride solution you need to add 2.9 mmol is:

2,9 mmol × $\frac{1mL}{2,0mM}$ = 1,45 mL