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kompoz [17]
3 years ago
8

Н

Chemistry
1 answer:
AysviL [449]3 years ago
8 0

Answer:

A 3,3-dimethylhexane

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How many atoms are in 1.75 moles of CHCl?
jok3333 [9.3K]
1.75 moles ChCl3 x (6.02 x 10 ^-23) / 1 mole = 1.0535 x 10^-22 atoms.

hope this was helpful :)
8 0
3 years ago
When heat is applied gradually and evenly to solid ice at 0 Celsius, it melts. Does the temperature change while it is melting t
serious [3.7K]

No, the added heat melts the ice, but the result is water at the same temperature. Hence, option B is correct.

<h3>What is temperature?</h3>

The degree of hotness or coldness is measured on a definite scale.

Temperature doesn't change as heat is added during a phase change; for example, when the ice melts.

During the phase change, the added heat doesn't make the molecules move faster, but rather further apart.

Thus, No, the added heat melts the ice, but the result is water at the same temperature.

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6 0
1 year ago
What is the mass of 14.4 moles Fluorine?<br> 0.379g<br> 274.8<br> 1.32 g<br> 2.64g<br> 547 g
liberstina [14]

Answer:

D

Explanation: d

8 0
3 years ago
Read 2 more answers
Which of the following contains a nonpolar covalent bond?
svet-max [94.6K]
I think the answer is C. 02
3 0
2 years ago
A 2.61 g sample of a substance suspected of being pure gold is warmed to 72.8 ∘C and submerged into 15.8 g of water initially at
Likurg_2 [28]
 <span>mg = 2.42 g 
Tg = 72.2 deg.C 
mw = 15.8 g 
Tw = 24.5 
Tf = 27 deg. C 
Cw = 4.18 J/g. deg. C 

Energy balance for insulated system, 
ΔE = 0 
ΔUw + ΔUg = 0 
ΔUw = - ΔUg 
Qin = Qout 
mg*cg*ΔTg = mw*cw*ΔTw 
2.42*cg*(72.2 - 27) = 15.8*4.18*(27 - 24.5) 
cg = 1.5095 J/g. deg.C or 1.5095 J/g.K</span><span>
</span>
5 0
3 years ago
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