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Allushta [10]
3 years ago
6

On which part of the carbon cycle have humans had the greatest impact? storage of co2 in the oceans all of the answer options ha

ve been greatly impacted by humans. return of co2 to the atmosphere by burning of ancient organic matter deposition of organic carbon in deep sea sediments capture of atmospheric co2 by chemical weathering of rocks
Chemistry
1 answer:
yarga [219]3 years ago
4 0
Hello!

The part of the carbon cycle where humans had the greatest impact is the return of CO₂ to the atmosphere by burning of ancient organic matter.

The ancient organic matter is also called Fossil Fuels. Some Fossil Fuels are Petroleum and Coal. Fossil Fuels are used to power our society and are burned to provide energy for power plants and vehicles, and by burning them, Carbon Dioxide (CO₂) is produced, increasing the natural concentration of this compound in the atmosphere.

Have a nice day!
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The pressure is recorded as 738 mmHg.Convert this measurement to atmosphere (atm)
garri49 [273]
As we know that 760 mmHg is equal to 1 atm.

So,
If 760 mmHg is equal to   =   1 atm
Then
738 mmHg will be equal to   =   X atm

Solving for X,
                                X   =   (738 mmHg × 1 atm) ÷ 760 mmHg

                                X   =   0.971 atm

Result:
           738 mmHg
is equal to 0.971 atm.
4 0
3 years ago
Most gases exist as molecules, for example, fluorine is F2.
Kryger [21]
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4 0
3 years ago
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A 3.82L balloon filled with gas is warmed from 204.9K to 304.8 K.
likoan [24]

Given :

A 3.82L balloon filled with gas is warmed from 204.9K to 304.8 K.

To Find :

The volume of the gas after it is heated.

Solution :

Since, their is no information about pressure in the question statement let us assume that pressure is constant.

Now, we know by ideal gas equation at constant pressure :

\dfrac{V_1}{V_2} = \dfrac{T_1}{T_2}\\\\\dfrac{3.82}{V_2}= \dfrac{204.9}{304.8}\\\\V_2 = \dfrac{304.8}{204.9} \times 3.82\\\\V_2 = 5.68 \ L

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3 0
3 years ago
A giant mass of air that carries warm weather to regions of the earth?
Scilla [17]
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6 0
4 years ago
Someone please help i don’t have much time left
REY [17]

Answer: Energy of reactants = 30, Energy of products = 10

Exothermic

Activation energy for forward reaction is 10.

Explanation:

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and \Delta H for the reaction comes out to be negative.

Energy of reactants = 30

Energy of products = 10

Thus as energy of the product < energy of the reactant, the reaction is exothermic.

Activation energy (E_a) is the extra energy that must be supplied to reactants in order to cross the energy barrier and thus convert to products.

E_a for forward reaction is (40-30) = 10.

6 0
3 years ago
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