The energy in a nuclear reaction comes from the transformation of mass to energy.

2 answers:

6 0

The answers are as follows:

1. TRUE, The energy in a nuclear reaction comes from the transformation of mass to energy.

2. TRUE, Although both fission and fusion generate energy, fusion produces much more energy than nuclear fission and produces less nuclear waste

3. TRUE, In certain types of atomic bombs, a fuel, like plutonium-239, is bombarded with neutrons to create an uncontrolled nuclear reaction that splits the nuclei of the fuel.

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fiasKO [112]2 years ago

5 0

Answer:

1. TRUE, For exemple, radionuclide decayment is used to heat up water to power turbine generators, in this process the energy comes from the transformation of mass into energy.

2. TRUE, Fission is clean because there is no radionuclide envolved: in this process Hydrogen is trasformed into Helium

3. TRUE, Rapid uncontrolled reaction is a chemical term for explosion.

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. How many milliliters of 0.20 M HCl are needed to exactly neutralize 40. milliliters of 0.40 M KOH

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Answer:

$V_{HCl}=80mL$

Explanation:

Hello,

In this case, for the given reactants we identify the following chemical reaction:

$KOH+HCl\rightarrow KCl+H_2O$

Thus, we evidence a 1:1 molar ratio between KOH and HCl, therefore, for the complete neutralization we have equal number of moles, that in terms of molarities and volumes become:

$n_{HCl}=n_{KOH}\\\\M_{HCl}V_{HCl}=M_{KOH}V_{KOH}$