3 years ago

Balancing Equations

Chemistry

1 answer:

4vir4ik [10]3 years ago

6 0

I don’t really know the answer look it up on google pretty sure you will find it there

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What is the mass of an object with a net force of 10 N accelerating at 2 m/s^2??

xz_007 [3.2K]

Answer:

5kg

Explanation:

Force = Mass x acceleration

F = ma

m = F/a = 10N/2m/s^2

m = 10/2 = 5kg

The standard unit for mass = Kilogram

5 0

3 years ago

You have an aqueous solution of chromium(III) nitrate that you titrate with an aqueous solution of sodium hydroxide. After a cer

barxatty [35]

Answer:

The precipitate was chromium hydroxide, which then reacted with more hydroxide to produce a soluble complex, Cr(OH)4

Explanation:

The following reaction takes place when chromium(III) nitrate reacts with NaOH:

$Cr(NO)_{3}$ +3 NaOH → $Cr(OH)_{3}$ (s)+ $NaNO_{3}$

The precipitate that is formed is chromium hydroxide, $Cr(OH)_{3}$

When more NaOH is added, the precipitate reacts with it which then results in the formation of a soluble complex ion:

$Cr(OH)_{3}$ (s) + $OH^{-}$ (aq) → $Cr(OH)_{4} ^{-}$ (aq)

$Cr(OH)_{4} ^{-}$ is soluble complex ion

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3 years ago

Which of the following particle diagrams represents a mixture?

QveST [7]

Answer:

???

Explanation:

i would help answer but your post has no diagrams or at least there not showing up

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3 years ago

Which of the following is a limitation of Bohr's model?

Murljashka [212]

Answer:

The answer is:

The first option

Explanation:

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3 years ago

Why is potassium less reactive than silver

Reika [66]

Because potassium is a gas that can evolve

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3 years ago