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Amanda [17]
3 years ago
9

What occurs when the moon's shadow hits Earth or Earths shadow hits the moon

Chemistry
2 answers:
photoshop1234 [79]3 years ago
5 0
A lunar eclipse i think
dangina [55]3 years ago
3 0

Answer:

I believe you are looking for shadow eclipses :D

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The amount in percent of c in ethanol is ______.
zaharov [31]
13.0 percent is carbon.
6 0
3 years ago
Can anyone help me with this?
stiv31 [10]

Go To ScHoOl tO LeArN

8 0
4 years ago
Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other h
aleksandrvk [35]

Answer:

Concentration = 1.32 m

Boiling point = 83.44^{0}C

Explanation:

Let the boiling point of two solutions = T

Let the molal concentration of the two solutions= m

The relation between elevation in boiling point and molal concentration is:

elevationinboiling point=K_{b}Xmolality

i) For benzene

T-80.1=2.53Xm

T=2.53m+80.1 ....(1)

ii) For carbon tetrachloride

T-76.8=5.03Xm

T=5.03Xm+76.8 ...(2)

Equating the two equations:

5.03Xm+76.8=2.53m+80.1\\m=1.32molal

Putting value of "m" in equation "1"

T=2.53(1.32)+80.1=83.44^{0}C

5 0
3 years ago
the pressure in a sealed plastic container is 108 kPa at 41 degrees Celsius. What is the pressure when the temperature drops to
Katarina [22]

<u>Answer:</u> The new pressure will be 101.46 kPa.

<u>Explanation:</u>

To calculate the new pressure, we use the equation given by Gay-Lussac Law. This law states that pressure is directly proportional to the temperature of the gas at constant volume.

The equation given by this law is:

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1\text{ and }T_1 are initial pressure and temperature.

P_2\text{ and }T_2 are final pressure and temperature.

We are given:

By using conversion factor:   T(K)=T(^oC)+273

P_1=108kPa\\T_1=41^oC=314K\\P_2=?kPa\\T_2=22^oC=295K

Putting values in above equation, we get:

\frac{108kPa}{314K}=\frac{P_2}{295K}\\\\P_2=101.46kPa

Hence, the new pressure will be 101.46 kPa.

3 0
3 years ago
The symbol for a radioactive nuclide is 131/56Ba Which statement is correct?A) The atomic number of the radioactive nuclide is 7
stich3 [128]
Hihi!

The correct answer is B. The mass number of this nuclide is 131! It's proton number is 56 and it has 75  neutrons  (131 - 56 = 75 neutrons).

I hope I helped!
-Jailbaitasmr
6 0
3 years ago
Read 2 more answers
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