3 years ago

Which type of surface would best reflect light?

Chemistry

2 answers:

marishachu [46]3 years ago

8 0

Answer:

Honestly I would guess D

Explanation:

sorry if im wrong

andrew11 [14]3 years ago

3 0

You are correct the answers is D

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If 185 g of KBr are dissolved in 1.2 kg of water, what would be the expected change in boiling point? The boiling point constant

Fudgin [204]

Answer:

ΔTb = 0.66 C

Explanation:

Given

Mass of KBr = 185 g

Mass of water = 1.2 kg

Kb = 0.51 C/m

Explanation:

The change in boiling point (ΔTb) is given by the product of molality (m) of the solution and the boiling point constant (Kb)

$\Delta T_{b}= K_{b}* m$

$Molality = \frac{moles\ KBr}{Kg\ water} \\\\moles KBr = \frac{mass\ KBr}{Mol.wt\ KBr} = \frac{185}{119} = 1.555\\\\Molality (m) = \frac{1.555 }{1.2} =1.296 m\\$

[tex]\Delta T_{b}= 0.51 C/m * 1.296 m = 0.66 C[\tex]

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4 years ago

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drek231 [11]

Answer:

your question is totally wrong. there is no cl2 in reactants.

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3 years ago

Which of the following alkyl halides is most likely to undergo rearrangement in an SN1 reaction? Please explain your answer.

Mashcka [7]

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3 years ago

Please help! Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 perce

Nutka1998 [239]

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I really kinda need some hell right now :)

Fudgin [204]

It’s c 1.59 x 10^4L i’m positive

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