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3 years ago

How does a solar eclipse effect earths temperature

Chemistry

2 answers:

max2010maxim [7]3 years ago

8 0

Because the sub gives us heat when the moon blocks it it also blocks the path of heat

wariber [46]3 years ago

4 0

When the moon blocks out the sun, the warmth of the sun is penetrating the moon which is in it's tunnel vision rather than earth. The temperature slowly decreases as the sun's warmth is focusing on the moons path. Usually the temperature change isn't big enough to harm earth life, but organisms can sense these changes.

- Hennessey

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A solution of methanol and water has a mole fraction of water of 0.312 and a total vapor pressure of 21 torr at 39.9 degrees C.

Elan Coil [88]

Answer:

Explanation:

Given the details, we can say that

Pure methanol is a volatile solvent as the vapour pressure has a high value. This means that methanol - methanol intermolecular forces are weak in comparisson to water - water forces. When having about 30% of water in a methanol mixture, the mixture Pv decreased, showing that it is not a volatile mixture, so then there are strong intermolecular interactions between methanol - water, part of it due to the hydrogen bonds.

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2 years ago

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Topic: Room Preparation Select one physician assisted examination or procedure, can be routine or surgical. Create a checklist o

kvasek [131]

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8 0

3 years ago

What is the 17th element on the periodic table?

zepelin [54]

Chlorine<span> is in group 17 of periodic table, also called the halogens, and is not found as the element in nature only as a compound.
Hope I helped Ya!</span>

3 0

2 years ago

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Suppose that CO2 in the atmosphere was held at a constant, natural level for a few thousand years. Then, CO2 was added to double

MissTica

Answer:

temperature before the increase in CO2 was a few degrees lower than temperature after the increase.

Explanation:

CO2 in the atmosphere has the property of trapping heat by absorbing it. So, with increase in the level of CO2 in the atmosphere the more heat will be absorbed by it and hence the temperature before the increase in CO2 was a few degrees lower than temperature after the increase.

Level of CO2 ∝ Temperature of the Earth

8 0

2 years ago

Which solution is more concentrated?

deff fn [24]

2 moles of NaOH dissolved in 1 litre of solution is the solution with more concentration.

Answer: Option A

<u>Explanation:</u>

Concentration of solution is the measure of the amount of solute dissolved in the solvent of the solution. So this is measured using the molarity of the solution. Molarity is determined as the number of moles of the solute present in the given amount of solvent.

$\text {Molarity}=\frac{\text {Moles of solute}}{\text {Amount of solvent }}$

In this present case, the option A gives the molarity of 2 M as

$\text {Molarity}=\frac{2}{1}=2 M$

But the second option, mass of NaOH is given. So we have to determine the molarity. First we have to find the molar mass of NaOH. We know that 1 mole of NaOH will contain 40 g/mole.

1 g of NaOH = 40 g of NaOH

1 g of NaOH = 1/40 moles

So 2 g of NaOH will contain $\frac{2 g}{40 g/mole}$ which is equal to 0.05 moles of NaOH.

Thus, the molarity of 2 g of NaOH will be

Molarity = $\frac{0.05 moles }{1 L}$ =0.05 M

Thus, the option A is having higher concentration as the molarity is more for 2 moles of NaOH dissolved in 1 l of solution.

7 0

2 years ago