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slega [8]
3 years ago
11

Explain in terms of particles in the atoms of an element why statement c is false?

Chemistry
1 answer:
const2013 [10]3 years ago
7 0
Need more information
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8. As the temperature of a mixture increases, one part of the mixture may 2 points
disa [49]

Answer:

It's false

Explanation:

Mixtures are always combinations of the same compounds that are at different states.

8 0
3 years ago
HELP Me PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
mrs_skeptik [129]

Answer: a

Explanation:

Set up a ratio and solve.

7.9 • 120 / 160 = 5.925

7 0
3 years ago
You submerge 100 grams of steel in 200 grams of water. if the steel has an initial temperature of 80°c and the water has an init
shtirl [24]
Q=cmΔT
Q1(steel)=Q2(water)
c1•m1• (t1-t) = c2•m2• (t-t2)
628•0.1•(80-t) = 4180•0.2• (t-10)
5024 - 62.8t = 836t -8360
5024 + 8360 = (836+62.8)t
<span>t = 14.9°</span>

4 0
3 years ago
Why does dark chocolate melt faster in the sun?<br><br> Claim<br><br> Evidence <br><br> Reasoning
anastassius [24]

Explanation:

The reason as to why the dark chocolate always melted the fastest was because of it's colour. It was a darker shade than the milk and white chocolate and the sun naturally absorbs dark colours therefore it melted faster.



https://prezi.com › science-project

5 0
3 years ago
Which formula represents a polar molecule?<br> (1) O2 <br> (2) CO2 <br> (3) NH3<br> (4) CH4
lara [203]

Answer: Option (3) is the correct answer.

Explanation:

A molecule is polar when the net dipole moment of molecule is zero. When an electronegative atom is attached to an electropositive atom then the electronegative atom pulls the shared pair of electrons more towards itself.

As a result, the movement of electrons is more towards the electronegative atom and the dipole moment becomes zero. This will also induce partial positive and partial negative charge on electropositive and electronegative atom.

On the other hand, O_{2}, CO_{2}, and CH_{4} are covalent compounds and does not have a net zero dipole moment.

Thus, we can conclude that out of the given options NH_{3}  represents a polar molecule.

7 0
4 years ago
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