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ehidna [41]
11 months ago
13

which energy source is versatile, used to generate electricity and heat homes, and emits the least co2 of all fossil fuels?

Chemistry
1 answer:
Aleksandr [31]11 months ago
3 0

The energy source is versatile used to generate electricity and heat homes and emits the least co2 of all fossil fuels Natural gas.

Biomass is a versatile renewable energy source. It can be converted into a liquid transportation fuel equivalent to fossil fuels such as gasoline, jet fuel, and diesel fuel. Fossil fuel power plants burn coal or oil to produce heat, which is then used to generate steam that drives turbines to generate electricity.

Fossil fuels are the dirtiest and most dangerous energy sources, but nuclear energy and modern renewable sources are much safer and cleaner. Electrical energy is one of the most commonly used forms of energy in the world. It can be easily converted into other forms of energy and transported over long distances safely and efficiently. As a result, it is used in daily life more than any other energy source.

Learn more about Fossil fuels here:-brainly.com/question/10172005

#SPJ4

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How long does it take for a 12.62g sample of ammonia to heat from 209K to 367K if heated at a constant rate of 6.0kj/min? The me
Georgia [21]
First, consider the steps to heat the sample from 209 K to 367K.

1) Heating in liquid state from 209 K to 239.82 K

2) Vaporaizing at 239.82 K

3) Heating in gaseous state from 239.82 K to 367 K.


Second, calculate the amount of heat required for each step.

1) Liquid heating

Ammonia = NH3 => molar mass = 14.0 g/mol + 3*1g/mol = 17g/mol

=> number of moles = 12.62 g / 17 g/mol = 0.742 mol

Heat1 = #moles * heat capacity * ΔT

Heat1 = 0.742 mol * 80.8 J/mol*K * (239.82K - 209K) = 1,847.77 J

2) Vaporization

Heat2 = # moles * H vap

Heat2 = 0.742 mol * 23.33 kJ/mol = 17.31 kJ = 17310 J

3) Vapor heating

Heat3 = #moles * heat capacity * ΔT

Heat3 = 0.742 mol * 35.06 J / (mol*K) * (367K - 239.82K) = 3,308.53 J

Third, add up the heats for every steps:

Total heat = 1,847.77 J + 17,310 J + 3,308.53 J = 22,466.3 J

Fourth, divide the total heat by the heat rate:

Time = 22,466.3 J / (6000.0 J/min) = 3.7 min

Answer: 3.7 min


3 0
3 years ago
How many atoms are there in 2.0 moles of magnesium (Mg)?
hjlf

Answer:

It should be 1. 1.2 X 10^24

Explanation:

7 0
2 years ago
You are at home in your air conditioned garage. You are planning a family road trip from New York to Florida. You are lnfating t
Ksenya-84 [330]
Hello!

According to the Charles' Law, the volume of a gas is proportional to temperature when pressure is constant. When going from New York to Florida, if the pressure is left constant the volume of the tires will increase.

The final volume of the tires can be calculated from the following equation, derived from Charles' Law:

V2= \frac{V1}{T1}*T2=\frac{10 L}{10degC}*32degC=32 L

Have a nice day!
3 0
3 years ago
Calculate with the correct number of significant figures 2.0 x 10^5 x 3.00 x 10^8
xxMikexx [17]

Answer:

the correct answer is 17 significant figures

3 0
3 years ago
When magnesium combines with oxygen, the reaction involves
nikdorinn [45]

Answer:

The correct answer is option c. transfer of electrons from Mg to O.

Explanation:

Hello!

Let's solve this!

When Magnesium (Mg) reacts with oxygen (O), magnesium oxide is formed.

This reaction is spontaneous and occurs with oxidation number +2 of magnesium and oxidation number -2 of oxygen. It is an ionic union, so magnesium transfers its electrons to oxygen.

We conclude that the correct answer is option c. transfer of electrons from Mg to O.

7 0
3 years ago
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