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Mariulka [41]
2 years ago
6

-QUESTION 5-

Chemistry
1 answer:
vodomira [7]2 years ago
5 0
The tall trees much of the sun
have you ever been in a forest? if you have, you’ve probably noticed that it’s usually very shady, and not a lot of sunlight hits the ground. That’s cause the tall trees are so dense, the sunlight doesn’t reach the ground
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Why sometimes the electrons of an atom transfer to higher energy level​
Elenna [48]

Answer:

According to Bohr, the amount of energy needed to move an electron from one zone to another is a fixed, finite amount. ... The electron with its extra packet of energy becomes excited, and promptly moves out of its lower energy level and takes up a position in a higher energy level. This situation is unstable, however.

8 0
3 years ago
How many kJ to hear 0.700 pint of room temp water to boiling
irina1246 [14]
Use the equation Q = mCT.

Q is the amount of energy in joules.

m is the mass in grams.

C is the specific heat of water (4.184 J/g °C).

T is the change in temperature.

0.700 pints = 331.224 g of water

Q = (331.224 g)(4.184 J/g °C)(100° C - 30° C)

Q = 97,008.885 J

Divide by 1,000 to convert to kilojoules:

97.009 kJ
8 0
3 years ago
Choose all the answers that apply. Sound _____. travels in transverse waves requires a medium to travel through travels most slo
kari74 [83]

Answer: Option (a) is the correct option.

Explanation:

In order to travel, sound does need a medium. The more closer the particles of a medium, the better sound can travel through it. Therefore, in solids sound travels very quickly because in solids particles are closer to each other. As a result, they can easily transmit the energy from one particle to another.

Thus, it becomes easier for sound to travel through it. On the other hand, in solids sound can travel in both longitudinal and transverse waves.

Hence, out of the given options, sound travels in transverse waves requires a medium to travel through is the correct option.

3 0
3 years ago
If one object has more mass than another then it weighs more or less than the other object?
PSYCHO15rus [73]

It would weigh more: the more mass an object has the more weight is added

6 0
3 years ago
I still need help!!! I even asked my science teacher and she B. But idk...I’m torn between A and B!!! APEX
Radda [10]

“Water” is the best thermal insulator.

Option: B

<u>Explanation</u>:

“Thermal insulators” are the materials which do not allow heat to transfer. “Water” is the substance which does not transfer heat. Hence, the “water” is the best “thermal insulator”. Water is the bad conductor of thermal heat. Water has “low thermal conductivity” than other substances, so this acts as an insulator as long as it is not traveled from one place to another. Heat is transferred when a “hot object collides” with “the cold objects”. The “thermal conductivity” of “water” is 0.6 W/m K.

6 0
3 years ago
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