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Makovka662 [10]
3 years ago
7

Which do you think will cool down faster in? The teaspoon of water or the cup of water? Why?

Chemistry
1 answer:
777dan777 [17]3 years ago
8 0

Answer:

I think the teaspoon will cool down faster.

Explanation:

The teaspoon of water will cool down faster because it is a smaller amount of water so the entire [drop] will absorb heat energy faster.

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Due to the lower pressure on top of Mt. Everest, water can
Alla [95]
C. 343K
70 degrees C + 273 = 343
4 0
3 years ago
Calculate the decrease in temperarure when 2.00 L at 20.0 degrees celsius is compressed to 1.00 L.
Serga [27]
I suspect that the pressure of this change is constant therefore

The equation is used from the combined gas law. (When pressure is constant both P's will cancel out P/P = 1)
V/T = V/T
Initial   Change

Initially we have 2L at 20 degress what temperature will be at 1L.

2/20 = 1/T
0.1 = 1/T
0.1T = 1
T = 1/0.1
T = 10 degress celsius.

Hope this helps if you won't be able to understand what is the combined gas law just tell me :).
3 0
3 years ago
Distinguish between an absorption spectrum and an emission spectrum. With which did Bohr work?
Marianna [84]

Answer:

Bohr used emission spectrum for its mono atomic model....

Explanation:

Emission Spectrum is produced when atoms are excited by energy. After excitation, they emit this energy in the form of different wavelengths according to the type of atom and produce a unique fingerprint of themselves called as it's emission spectrum.

Absorption Spectrum is a type of spectrum that is produces when photons of light are absorbed by electrons at one state. they jump to another state and may cause scattering. This produces a specific absorption spectrum for that specific atom.

4 0
3 years ago
Write the position of metals, non - metals and metalloids in the periodic table.​
Nostrana [21]

Answer:

The metals are to the left of the line (except for hydrogen, which is a nonmetal), the nonmetals are to the right of the line, and the elements immediately adjacent to the line are the metalloids.

3 0
3 years ago
How much heat in joules in needed to raise the temperature of 257g of ethanol c of ethanol =2.4j/gC by 49.1?
strojnjashka [21]

Answer:

30284.88J

Explanation:

c=mCtetha

c=257×2.4×49.1

hope it helps

please like and Mark as brainliest

6 0
3 years ago
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