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erastovalidia [21]
3 years ago
12

In part of which layer does heat flow by convection?

Chemistry
1 answer:
marshall27 [118]3 years ago
6 0

Answer:

the mantle because it's just built different

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When an electron of a hydrogen atom travels from n = 4 to n = 2, a photon of energy 4.165 × 10-19 joules is released. Calculate
gulaghasi [49]

Answer:

Explanation:

please delete this it was a mistake

4 0
3 years ago
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What is the osmotic pressure, in torr, of a 3.00% solution of NaCl in water when the temperature of the solution is 45 ºC? Enter
Anit [1.1K]

213034 torr is the osmotic pressure.

Explanation:

osmotic pressure is calculated by the formula:

osmotic pressure= iCrT

where i= no. of solute

c= concentration in mol/litre

R= Universal Gas constant

T = temp

It is given that solution is 3% which is 3gms in 100 ml.

let us calculate the concentration in moles/litre

3gm/100ml*1000ml/1L*1mol NaCl/55.84g NaCl

= 5.372 gm/litre

Putting the values in the formula,                   Temp in Kelvin 318.5K

osmotic pressure= 2*5.372*0.083 * 318.5                 Gas constant  0.083

                              = 284.023 bar or 213018 torr.                 c=  5.372 moles/L                                                                              

                                                                                    i=2 for NaCl

4 0
3 years ago
1. The most basic units of any element are its
baherus [9]

Answer:

The atom

Explanation:

5 0
2 years ago
Will give most brainly.
Anna [14]

Answer:

One mole

Explanation:

It tells u the concentration

8 0
2 years ago
What is Ivan Pavlov most known for?
denis-greek [22]

Ivan Pavlov is most known for demonstrating conditioned lreflex in dogs.

<h3>what is conditioned reflex?</h3>

Conditioned reflex is a reflex action which has been conditioned to occur even without the stimulus which produces the reflex.

Ivan Pavlov is known to demonstrate conditioned reflex in dogs.

In his experiment, he trained dogs to salivate at the sound of a bell even if food which is the stimulus that produces salvation was not present.

Learn more about conditioned reflex at: brainly.com/question/24968947

5 0
1 year ago
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