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Makovka662 [10]
3 years ago
14

In Nuclear chemistry, the key requirement for a chain reaction is that...a. each event must produce more than one particle capab

le of initiating subsequent events.b. the number of beta particles emitted must be equal to or greater than the number of gamma particles emitted.c. the entropy of the system must decrease.d. the uranium hexafluoride fuel must be in its solid state.
Chemistry
1 answer:
ahrayia [7]3 years ago
5 0

Cccccccccccccccccccccccc

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What happens when an atom has more electrons than can fit in one energy
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Answer:

If any atom has more electrons than one energy level can hold, then automatically the electron is accommodated in the next energy level (shell). The remaining extra electrons starts to fill the next energy level. This produces the valency of that particular atom.

Explanation:

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7 0
4 years ago
According to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6 with excess Cl2? The molar ma
bonufazy [111]

Answer:

1640 kJ are involved in the reaction

Explanation:

In the reaction:

B₂H₆(g) + 6Cl₂(g) → 2 BCl₃(g) + 6HCl(g)

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<em />

Now if 32.5g of B₂H₆(g) react with excess Cl₂(g), moles involved in reaction are:

32.5g B_2H_6\frac{1mol}{27.67g} = 1.175 moles

If 1 mol produce 1396kJ of energy, 1.175 moles produce:

1.175mol\frac{1396kJ}{1mol} = 1640kJ\\

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5 0
4 years ago
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determine the type of the following chemical reaction: Mg(s) + 2HCl(aq)——-&gt; H2(g) + MgCl2(aq) a. single replacement reaction
kumpel [21]

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Explanation:

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Mg replaces H, so this is a single replacement reaction.

4 0
3 years ago
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