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3 years ago

Climate is best described as the

2 answers:

6 0

Climate is best described as a) the long-term average of weather variations in a specific area. The definition of climate is "the long-term pattern of weather in a particular area." This is assessed by measuring the temperature, humidity, atmospheric pressure, wind, precipitation, atmospheric particle count amongst other weather aspects.

BlackZzzverrR [31]3 years ago

6 0

It's the weather average throughout the years, kinda like weather statistics and data :)

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Is there a qualitative difference between the enthalpy of a phase transition versus the enthalpy of a heating or cooling process

Vesna [10]

Answer:

Explanation:

given that, enthalpy is a state function, that means it depends only on the initial and final states, there is no difference between the enthalpy of a phase transition versus the enthalpy of a heating or cooling process, when the cooling or heating process finish in a change of phase.

It does not matter which way we take to cool or heat the substances the Enthalpy of this process will be the same.

3 0

3 years ago

Propane gas, C3H8, is sometimes used as a fuel. In order to measure its energy output as a fuel a 1.860 g sample was combined wi

lisov135 [29]

Answer:

The heat of the reaction is 105.308 kJ/mol.

Explanation:

Let the heat released during reaction be q.

Heat gained by water: Q

Mass of water ,m= 1kg = 1000 g

Heat capacity of water ,c= 4.184 J/g°C

Change in temperature = ΔT = 26.061°C - 25.000°C=1.061 °C

Q=mcΔT

Heat gained by bomb calorimeter =Q'

Heat capacity of bomb calorimeter ,C= 4.643 J/g°C

Change in temperature = ΔT'= ΔT= 26.061°C - 25.000°C=1.061 °C

Q'=CΔT'=CΔT

Total heat released during reaction is equal to total heat gained by water and bomb calorimeter.

q= -(Q+Q')

q = -mcΔT - CΔT=-ΔT(mc+C)

$q=-1.061^oC(1000 g\times 4.184J/g^oC+4.643 J/^oC )=-4,444.15J=-4.444 kJ$

Moles of propane = $\frac{1.860 g}{44 g/mol}=0.0422 mol$

0.0422 moles of propane on reaction with oxygen releases 4.444 kJ of heat.

The heat of the reaction will be:

$\frac{4.444 kJ}{0.0422 mol}=105.308 kJ/mol$

3 0

3 years ago

It has been established that 8.0x10^4 tons of gold (Au) have been mined. Assume gold cost $350 per ounce. Whats the total worth

bazaltina [42]

So first lets find out how much gold there is. 10^4=10,000so that means 8.0x10,000= 8,000. now we have to find out how much money that is. All we have to do is multiply 8,000 by 350. When multiplied you get $2,800,000

7 0

3 years ago

What is the noble gas configuration for magnesium?

Eva8 [605]

Her you go hope this answers your question

5 0

4 years ago

1) In which state of matter will particles move the fastest?

Jobisdone [24]

Answer:

Gases

Explanation:

The particals will move around rapidly in all directions.

7 0

3 years ago