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kiruha [24]
2 years ago
7

Try to compare the landscape differences between the surface of the moon and the surface of the earth.​

Chemistry
1 answer:
Zigmanuir [339]2 years ago
7 0

Answer:

eat this

Explanation:

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What layer of the skin contains blood vessels, nerves and hair follicles?
LiRa [457]

Answer:

The answer to your question is Dermis

Explanation:

Below the epidermis is the dermis. This is where our blood vessels, nerve endings, sweat glands, and hair follicles are.

7 0
3 years ago
How many grams are in 9.97 moles of Be(NO3)2?<br> Use two digits past the decimal for all values.
Simora [160]

Answer:

1,869.97 grams of Be(NO3)2

Explanation:

Be(NO3)2 = Be  N2  O6

Be=9.012182g/mole

N2=28.0134g/mole

O6=96g/mole

therefore Be(NO3)2 gives you 187.56g in one mole

so 9.97 moles means there is 9.97 times more

9.97mole Be(NO3)2 * 187.56g Be(NO3)2/1mole Be(NO3)2 = 1,869.97g of Be(NO3)2

4 0
3 years ago
How much energy is released if a sample loses 0.025 kg mass through<br> radioactive decay?
allochka39001 [22]

Answer:

C

Explanation:

8 0
3 years ago
Read 2 more answers
The magnesium atom in chlorophyll A. is used to pass excited electrons on to pheophytin B. is coupled to the production of ATP C
goblinko [34]

Answer:

B. is coupled to the production of ATP

Explanation:

The magnesium in chlorophyll acts as an activator of enzymes associated with energy metabolism, especially respiratory enzymes and others that act on phosphorylated substrates such as ATP.

7 0
4 years ago
What is the volume of a gas balloon filled with 4.0 moles of tha gas, when the barometer reads pressure of 780 Torr and temperat
svet-max [94.6K]

Answer:

V = 96.61 L

Explanation:

Given data:

Number of moles = 4.0 mol

Pressure = 780 torr (780/760 = 1.03 atm)

Temperature = 30°C

Volume of gas = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

Now we will convert the temperature.

30+273 = 303 K

1.03 atm × V = 4.0 mol × 0.0821 atm.L/ mol.K  × 303 K

V = 99.505 atm.L / 1.03 atm

V = 96.61 L

5 0
3 years ago
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