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kifflom [539]
3 years ago
10

Which of these objectives do you feel like you've accomplished so far?

Chemistry
1 answer:
Ymorist [56]3 years ago
8 0

Answer:

we don't see the objectives

Explanation:

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An ice-skating rink has tubes under its floor to freeze the water. salt water is cooled well below the freezing point of water a
alex41 [277]
Correct Answer: Option g: <span>adding salt to water lowers its freezing point

Reason:
Freezing point is a colligative property. When a non-volatile solution is present in solution, it's freezing point decreases. This is referred as depression in freezing point (</span>ΔTf<span>). Extent of lowering in freezing point is dependent on number of particles present in system. Mathematically it is expressed as:

</span>ΔTf = Kf X m
<span>
where, m = molality of solution
Kf = cryoscopic constant. 

Hence, a</span><span>dding salt to water lowers the freezing point of solution.</span> 
6 0
3 years ago
Water waves are surface waves. The energy of the waves moves
horrorfan [7]

Answer:

Explanation:

<em>Waves are actually energy passing through the water, causing it to move in a circular motion. ... This phenomenon is a result of the wave's orbital motion being disturbed by the seafloor.</em>

<em />

<em>The direction a wave propagates is perpendicular to the direction it oscillates for transverse waves. A wave does not move mass in the direction of propagation; it transfers energy.</em>

8 0
3 years ago
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How long is a grain of rice? Select the best estimate.
grigory [225]

Answer:

0.27 to 0.35 inch i found one that was 0.47 inches Lol

5 0
3 years ago
Which of the following does not contain ionic bonds?
Nutka1998 [239]

Answer:

Sulfur dioxide

Explanation:

8 0
3 years ago
what is the volume percent of a solution prepared by adding enough water to 200.mL of acetone to make a total volume of 1.60L?
Elodia [21]
The  volume%  of  acetone  =  Ml  of    acetone/Ml  of  solution  x100
ml   of  acetone =200ml
ml  of  solution  = 1.60  x1000=1600ml

volume%  of acetone  is  therefore=  200/1600 x100= 12.5%
4 0
4 years ago
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