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AnnZ [28]
3 years ago
7

Which of the following has the most energy?

Chemistry
1 answer:
iren2701 [21]3 years ago
8 0
Ultraviolet rays has the most energy
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A thermometer is placed in a beaker full of water that has been sitting on the lab table for a few hours. The beaker is placed o
krek1111 [17]
Based on the information I would assume B, 73 degrees...

It shouldn't be A, 4 minutes on the burner should increase the temperature.

If it were D, it would be beyond boiling, and water takes a decent amount of energy to heat, D should be all vapor.

Same logic for C, it's basically almost boiling.

I would say 73 degrees seems most reasonable for 4 minutes.
7 0
3 years ago
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A horse gallops along a racecourse at a speed of 40 km/h. It takes the horse 3 minutes to run the length of the track.
Natali [406]

To convert minutes to hours we divide the minutes by 60. So if we divide 3 by 60 we get 0.05 hours.

<h3>How to convert minutes into hour?</h3>

We know that in hour, there are 60 minutes so if we go from minutes to hours then we have to divide the number by 60 and when we go from hours to minutes we multiply with the same 60 number.

So we can conclude that to convert minutes to hours we divide the minutes by 60. So if we divide 3 by 60 we get 0.05 hours.

Learn more about hour here: brainly.com/question/291457

#SPJ1

7 0
1 year ago
The atomic masses of the two stable isotopes of boron; boron-10 (natural abundance:19.78%) and boron-11 (natural abundance:80.22
iogann1982 [59]
(19.78 x 10) + (80.22 x 11) all of them divided by 100= 10.81 amu
5 0
3 years ago
a _____ is a new substance formed in a chemical reaction. a. product b. coefficient c. catalyst d. reactant
Svetradugi [14.3K]
A Product is a new substance formed in a chemical reaction
6 0
2 years ago
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The mass of sample A is 100.0 g, then removed it from a graduated
yan [13]

Answer: 25g/ml

Explanation:

Density = 100.0g/ 4.0mL = 25g/mL

3 0
2 years ago
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