3 years ago

When discussing acids and bases, any substance that donates a proton, by definition, is considered a(n)

Chemistry

1 answer:

blsea [12.9K]3 years ago

4 0

Bronsted-Lowry acid is your answer

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Which were Lenin's actions before and during the Russian Revolution? Check all that apply.

Stolb23 [73]

Answer:

He supported the ideology of Marxism.

He opposed the tsar and was exiled.

He led the Bolsheviks.

Explanation:

Lenin was Russian Revolution political theorist. He served as first founding head of government of Soviet Russia. He supported the ideology of Marxism and opposed Tsar.

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3 years ago

What do you think of my lab report so far?

8090 [49]

Fix ur transition, it sounds choppy

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3 years ago

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What is the mass of an electron?

Lesechka [4]

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the answer is 0 amu I hope it helps

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In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones o

Advocard [28]

Answer:

52.54 %

Explanation:

Half life = 29 years

$t_{1/2}=\frac {ln\ 2}{k}$

Where, k is rate constant

So,

$k=\frac {ln\ 2}{t_{1/2}}$

$k=\frac {ln\ 2}{29.0}\ {years}^{-1}$

The rate constant, k = 0.023902 hour⁻¹

From 1964 to 1991:

Time = 27 years

Using integrated rate law for first order kinetics as:

$[A_t]=[A_0]e^{-kt}$

Where,

$[A_t]$ is the concentration at time t

$[A_0]$ is the initial concentration

So,

$\frac {[A_t]}{[A_0]}=e^{-0.023902\times 27}$

$\frac {[A_t]}{[A_0]}=0.5245$

<u>The strontium-90 remains in the bone = 52.54 %</u>

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3 years ago

Inga [223]

Answer:

answer willl be gold

Explanation:

bcz 1st highest thermal conductivity is having solver

then it is followed by copper , gold

so gold will be the answer

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