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2 years ago

Give a brief background of the development of nuclear power.

Chemistry

1 answer:

aleksklad [387]2 years ago

3 0

Answer:

Nuclear began in the 1930s, when physicist Enrico Fermi first showed that neutrons could split atoms. Fermi led a team that in 1942 achieved the first nuclear chain reaction, under a stadium at the University of Chicago

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Should plants be watered everyday

disa [49]

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3 years ago

Read 2 more answers

Enough of a monoprotic weak acid is dissolved in water to produce a 0.0144 0.0144 M solution. The pH of the resulting solution i

alexdok [17]

Answer:

The value of dissociation constant of the monoprotic acid is $1.099\times 10^{-3}$ .

Explanation:

The pH of the solution = 2.46

$pH=-\log[H^+]$

$2.46=-\log[H^+]$

$[H^+]=0.003467 M$

$HA\rightleftharpoons H^++A^-$

Initially

0.0144 0 0

At equilibrium

(0.0144-x) x x

The expression if an dissociation constant is given by :

$K_a=\frac{[A^-][H^+]}{[HA]}$

$K_a=\frac{x\times x}{(0.0144-x)}$

$x=[H^+]=0.003467 M$

$K_a=\frac{0.003467 \times 0.003467 }{(0.0144-0.003467 )}$

$K_a=1.099\times 10^{-3}$

The value of dissociation constant of the monoprotic acid is $1.099\times 10^{-3}$ .

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3 years ago

Which of the following is a combustion reaction?

azamat

Answer:

A.NaOH+HCI+NaCI+H2O

Explanation:

It's a Acid-base

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2 years ago

2 HCl + Na2SO4 > 2 NaCl + H2SO4

Cerrena [4.2K]

Answer:

Explanation:

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2 years ago

Why are gas bubbles not always a sign of a chemical change?

Mekhanik [1.2K]

Answer: its a reaction

Explanation:

like coke its a reaction between gas and oxygen

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2 years ago