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2 years ago

As you climb through the troposphere, the temperature:

Chemistry

1 answer:

Korolek [52]2 years ago

4 0

As you climb it decreases

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Calculate the mass, in grams, of a single xenon atom (mxe = 131.29 amu ).

Mariana [72]

Answer is $2.18017\times10^{-22}gms$ .

Explanation: To calculate the mass of 1 Xe-atom , we will require atomic mass of Xe which is 131.29amu.

This atomic mass is the mass of 1 mole of 1 Xe-atom. One mole of Xe-atom is $6.022\times10^{23}$ atoms of Xe. We will use this relation to convert Mass of Xe-atom into grams.

$\frac{\text{mass of 1 atom}}{atom}=\frac{\text{mass of 1 mole of atom}}{6.022\times10^{23}atoms}$

$\text{mass of 1 atom}=\frac{\text{mass of 1 mole of atom}}{6.022\times10^{23}}$

$\text{mass of 1 Xe-atom}=\frac{131.29}{6.022\times10^{23}}$

$\text{mass of 1-Xe atom}=21.8017\times10^{-23}gms$

= $2.18017\times10^{-22}gms$

5 0

3 years ago

In a distillation operation, the heat added to the boiler a) increases with increase in reflux ratio b) decreases with increase

Leni [432]

Answer:

a) increases with increase in reflux ratio

Explanation:

If we increase the reflux ratio, which can de defined as : L/D = Condesate back to column /distillate discarded from column, it means that we increase the amount of condensate back to column. So the reboiler load will increase and be maximum in case of Total reflux ratio. And as vapor load will be increased, diameter of column will be increased too.

7 0

3 years ago

How does an atom-88 become a strontium ion with a +2 charge?

Fantom [35]

Strontium atom loses 2 electrons to become an ion with 2 electrons lesser than its atom. Your answer is C.

6 0

3 years ago

In which pair is each substance a mixture?

qaws [65]

Answer:

Air & Water

Explanation:

Air and water is the common mixtures in the book of the book called "Science & Land"

6 0

2 years ago

? What is the oxidation number of B in HBO3? D-1 0 O +3 O +6

lesya692 [45]

H20* SOO N34 Thats my answer

6 0

3 years ago