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nadezda [96]
3 years ago
5

What describes redshift

Chemistry
1 answer:
ikadub [295]3 years ago
4 0
The red end of the spectrum.
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A compound is 79.94g carbon, 26.82g hydrogen, and 93.24g nitrogen. What is the empirical formula?
Pani-rosa [81]

Answer:

i dont know

Explanation:

sorry

5 0
2 years ago
A 45.0-gram sample of copper metal was heated from 20.0°C to 100.0°C. Calculate the heat absorbed, in kJ, by the metal.
s2008m [1.1K]

Answer:

1.386 KJ

Explanation:

From the question given above, the following data were obtained:

Mass (M) of copper = 45 g

Initial temperature (T1) = 20.0°C

Final temperature (T2) = 100.0°C

Heat absorbed (Q) =..?

Next, we shall determine the change in temperature. This can be obtained as follow:

Initial temperature (T1) = 20.0°C

Final temperature (T2) = 100.0°C

Change in temperature (ΔT) =?

ΔT = T2 – T1

ΔT = 100 – 20

ΔT = 80 °C

Next, we shall determine the heat absorbed by the sample of copper as follow:

Mass (M) of copper = 45 g

Change in temperature (ΔT) = 80 °C

Specific heat capacity (C) of copper = 0.385 J/gºC

Heat absorbed (Q) =..?

Q = MCΔT

Q = 45 × 0.385 × 80

Q = 1386 J

Finally, we shall convert 1386 J to KJ. This can be obtained as follow:

1000 J = 1 KJ

Therefore,

1386 J = 1386 J × 1 KJ /1000 J

1386 J = 1.386 KJ

Thus, the heat absorbed by the sample of the sample of copper is 1.386 KJ.

5 0
2 years ago
__________ is an important factor in the process of maturation because it provides a biological framework of how much one is cap
Anon25 [30]
It is definitely not A. B is an effect. I would say C because D is more of a conservative answer , C is more of a liberal answer, and we currently live in a liberally swayed world. They are probably looking for C. It is not in your nature to be bad.
7 0
2 years ago
Read 2 more answers
Is methane used as fule<br> gas true or false<br>​
Hitman42 [59]

Answer:

its true methane is used as a fuel gas

Explanation:

4 0
2 years ago
Determine if the data are qualitative or quantitative.
jonny [76]
Hi there!
Zinc: Is qualitative
Chlorine: is quantitative
Gallium: is neither
Nitrogen: is quantitative
Aluminum: is quantitative
If you need an explanation, please let me know !
Hope this helps and have a good day :) !
~Angel
8 0
3 years ago
Read 2 more answers
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