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oee [108]
4 years ago
13

What frequency corresponds to an absorption line at 502 nm?

Chemistry
1 answer:
wlad13 [49]4 years ago
4 0
Answer is D absorption line at 502
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adelina 88 [10]

Answer:

I think number 9 is D and number 10 is A

6 0
3 years ago
The temperature of 170 g of a material decreases by 20.0⁰C when it loses 3050 J of heat. What is its specific heat
qaws [65]

Answer:

0.897 J/g.⁰C

Explanation:

Given the following data:

m = 170 g (mass)

ΔT = 20.0⁰C (change in temperature)

q = 3050 J (amount of heat)

The amount of heat (q) is calculated as follows:

q = m x Cp x ΔT

Thus, we introduce the data in the mathematical expression to calculate the specific heat (Cp):

Cp = q/(m x ΔT) = 3050 J/(170 g x 20.0⁰C) = 0.897 J/g.⁰C

8 0
3 years ago
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6 0
4 years ago
A quantity of gas weighing 7.1 g at 741 torr and 44 celius occupies 5.41 L. Find its molar mass.
Aleks04 [339]
1 atmosphere = 760 torr
R = 0.082
44 degrees Celsius = 317 degrees Kelvin

PV=NRT\\ \frac{744}{760}(5.41)=N(0.082)(317)\\ \frac{4025.04}{760}=25.994N\\\frac{4025.04}{19755.44}=N\\N=\frac{50313}{246943}\\0.203743
3 0
3 years ago
If the s and p sublevels of the highest main energy level of an atom are filled, how many
Anuta_ua [19.1K]

Answer:

p

Explanation:

8 0
3 years ago
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