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velikii [3]
4 years ago
12

How does the burning of fossil fuels increase the greenhouse effect answers?

Chemistry
1 answer:
miskamm [114]4 years ago
8 0
The burning of fossil fuels like coal, natural gas etc... leads to the emmission of carbondioxide which is a green house gas and leads to the increase of heat in the atmosphere. This results in greenhouse effect.
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Neon is compressed from 100 kPa and 16°C to 500 kPa in an isothermal compressor. Determine the change in the specific volume and
Viktor [21]

Answer:

\Delta v=-0.952m^3/kg

\Delta h=0

Explanation:

In this case, since neon could be considered as an ideal gas, the specific volumes at the first and second state are respectively:

v_1=\frac{Rg*T_1}{p_1}=\frac{0.4119kJ/kg*K*289.15}{100kPa} =1.19m^3/kg\\

v_2=\frac{Rg*T_2}{p_2}=\frac{0.4119kJ/kg*K*289.15}{500kPa} =0.238m^3/kg\\

Thus, the change in the specific volume turns out:

\Delta v=v_2-v_1=0.238m^3/kg-1.19m^3/kg\\\Delta v=-0.952m^3/kg

Which value has sense for the compression.

In addition, the specific enthalpy change just depend on the temperature as it is an ideal gas, therefore, since the process es isothermic:

\Delta h=Cp\Delta T=0

Best regards.

3 0
4 years ago
If 6 moles of a compound produce 84 J of energy, what is the a<br> Hreaction in J/mol?
Vikki [24]

Answer:

14 J of heat

Explanation:

Recall that the enthalpy of reaction is defined as the enthalpy change that occurs in a system when matter is transformed by a given chemical reaction, if all reactants and products are in their standard states. Here we have the heat of formation of six moles of the substance and we are expected to use it to obtain the the heat of formation of one mole of the compound and we can do that by simple proportion as shown below;

If 6 moles of the compound produces 84J of heat

1 mole of the substance will produce 1×84/6 = 14 J of heat

6 0
4 years ago
Please help fast thanks
timurjin [86]

Answer:

I do not know if I am correct but I think it is the letter D I hope it helps you if it is correct pls brainliests

7 0
3 years ago
Which ansewrd is it I think that is <br> C OR D<br> A<br> B<br> C<br> D
Lostsunrise [7]

It would be D Because the earth orbits the sun

8 0
4 years ago
Which equation correctly converts degrees Celsius to kelvins?
lina2011 [118]

Answer:

D

Explanation:

To convert from celcius to kelvin add 273 to the celcius number. D has -75 celcius so if you add -75 to 273 you get 198 K

5 0
3 years ago
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