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Vadim26 [7]
3 years ago
6

Please help :) brainliest and +10 pts

Chemistry
2 answers:
Ludmilka [50]3 years ago
8 0
Im guesing D but if im not right im sorry i know it its just i dont remember?!
scZoUnD [109]3 years ago
5 0
<span>C) Salt, because ionic compounds have attractions between ions of adjacent particles. Just took this test, hope this helps!</span>
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Give three reasons why fluid spills in water are more damaging than fluid spills on land
marta [7]

Answer:

1) Oil is less dense than water so when oil spills, it spreads across the entire water surface.

2) The oil spreads very quickly with lighter oils such as gasoline.

3) Wind, Currents, and Warm Temperatures will cause Oil to spread quicker.

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2 years ago
Which of the following organisms would NOT be in the first trophic level of an energy pyramid?
faust18 [17]
dog!

this is because the first energy comes from plants bc they can make their own food— therefore, energy :)
7 0
3 years ago
Read 2 more answers
Isotopes of the same element vary from each other in their number of:
Lina20 [59]

Answer: Neutrons  vary from each other in their element

MARK ME BRAINLIST

5 0
3 years ago
Cyclic compound A has molecular formula C5H10 and undergoes monochlorination to yield exactly three different constitutional iso
RideAnS [48]

Answer:

A: 1,2-dimethylcyclopropane

Explanation:

The possible cyclic structure with formula C₅H₁₀ are shown in the image.

A is a cyclic compound. On monochlorination, A yields 3 products.

To have 3 products on monochlorination, there should be three different carbon atoms.

Considering structure 1, all carbons have same nature, thus only one product will be formed and thus not a structure of A.

Considering structure 2, there are two different carbon atoms, thus two different structure are formed and thus not a structure of A.

Considering structures 3 and 4 , there are four different carbon atoms, thus four products will be formed and either of them are not a structure of A.

Considering structure 5, there are three different carbon atoms,  thus three different structure are formed and thus the A is structure 5.

4 0
3 years ago
After you preform your experiment, you determine that the kf value for naphthalene is 6.91 °c/m . you are using 10g of naphthal
Masteriza [31]
Answer is: molar mass of compound is 154,58 g/mol.<span>
m(</span>naphthalene<span>) = 10 g = 0,01 kg.
m(unknown compound) = 1,00 g.
</span>Δ<span>T (solution) = 4,47 °C.
Kf(</span>naphthalene) = 6,91°C/m<span>; cryoscopic constant.
M</span>(unknown compound) = Kf(naphthalene)· m(unknown compound) ÷ m(naphthalene)<span> · ΔT(solution).
M(xylene) = </span>6,91°C/m<span> · 1 g ÷ 0,01 kg · 4,47</span>°C<span>.
M(xylene) = 154,58 g/mol.</span>
8 0
3 years ago
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