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2 years ago

The major source of air pollution that disrupts the atmosphere’s natural cycles is the combustion of _____ fuels.

Chemistry

2 answers:

pshichka [43]2 years ago

8 0

the best answer to choose is FOSSILS

Gnom [1K]2 years ago

3 0

Correct answer is fossil

Combustion of fossil fuels is the major cause of air pollution.

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Exposing a 250 mL sample of water at 20.∘C to an atmosphere containing a gaseous solute at 27.59 kPa resulted in the dissolution

ElenaW [278]

Answer : The solubility of this gaseous solute will be, $5.18\times 10^{-5}g/mL$

Explanation :

First we have to calculate the concentration of solute.

$\text{Concentration of solute}=\frac{Mass}{Volume}=\frac{4.51\times 10^{-3}g}{250mL}=1.80\times 10^{-5}g/mL$

Now we have to calculate the Henry's law constant.

Using Henry's law :

$C=k_H\times p$

where,

C = concentration of solute = $1.80\times 10^{-5}g/mL$

p = partial pressure = 27.59 kPa

$k_H$ = Henry's law constant = ?

Now put all the given values in the above formula, we get:

$1.80\times 10^{-5}g/mL=k_H\times (27.59kPa)$

$K_H=6.52\times 10^{-7}g/mL.kPa$

Now we have to calculate the solubility of this gaseous solute when its pressure is 79.39 kPa.

$C_{(79.39kPa)}=k_H\times p$

$C_{(79.39kPa)}=(6.52\times 10^{-7}g/mL.kPa)\times (79.39kPa)$

$C_{(79.39kPa)}=5.18\times 10^{-5}g/mL$

Therefore, the solubility of this gaseous solute will be, $5.18\times 10^{-5}g/mL$

7 0

3 years ago

Use the data to answer the questions that follow a. Determine the rate law

Elenna [48]

Answer:

To determine the rate law from a table, you must mathematically calculate how differences in molar concentrations of reactants affect the reaction rate to figure out the order of each reactant. Then, plug in values of the reaction rate and reactant concentrations to find the specific rate constant.

Explanation:

hope it is helpful for you

3 0

2 years ago

Read 2 more answers

If a glass bottle breaks into thousands of tiny pieces what type of change occurs

mixas84 [53]

Physical change occurs.

6 0

2 years ago

How far away is sirius from the sun in inches? ____ in miles? ____

earnstyle [38]