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GalinKa [24]
3 years ago
8

Match the followings.

Chemistry
1 answer:
insens350 [35]3 years ago
5 0

Answer:

Explanation:

Here, we are to copy and complete the paragraph with the correct options as given below in the question.

Before that, let us have an understanding of what a conversion factor is all about.

A conversion factor refers to a formula that is being used to change over an estimation in a given arrangement of units to its comparable estimation in another arrangement of units. Subsequently, the formula comprises both a number and its unit.

So;

\text{You can check that you have written the correct conversion factors for an }

\text{equality by looking at the numbers and units in each; the information on }

\text{one side of the equity appears in the of a conversion factor while the }

\text{information on the other side of the equity appears in the denominator.}

\text{To generate a second conversion factor, we "turn over" the first }

\text{conversion factor so the numbers and units in the numerator and }

\text{denominator switch places.}

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A system receives 575 ) of heat and delivers 425 ) of work. Calculate the change in the internal energy. AE, of the system.​
vfiekz [6]

Answer:

ΔE = 150 J

Explanation:

From first law of thermodynamics, we know that;

ΔE = q + w

Where;

ΔE is change in internal energy

q is total amount of heat energy going in or coming out

w is total amount of work expended or received

From the question, the system receives 575 J of heat. Thus, q = +575 J

Also, we are told that the system delivered 425 J of work. Thus, w = -425 J since work was expended.

Thus;

ΔE = 575 + (-425)

ΔE = 575 - 425

ΔE = 150 J

7 0
3 years ago
Compute the value of the molar heat capacity at constant volume, CVCV, for CO2CO2 on the assumption that there is no vibrational
katovenus [111]

Answer:

Explanation:

Molar heat capacity at constant volume Cv  of a gas = n x .5 R where n is degree of freedom of the gas molecules

CO₂ is a linear molecule , so number of degree of freedom =  3 + 2 = 5

3 is translational and 2 is rotational degree of freedom . There is no vibrational degree of freedom given .

So Cv = 5 / 2 R

= 2.5 R .

4 0
3 years ago
How many atoms are in 10.0 moles of titanium
Tema [17]
The answer should be 479 i could possibly be wrong but that’s what i got because one mole is 47.90 grams
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How might the government make sure scientific research is done in an ethical<br> way?
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By taking away research funds if certain standards ar not met

Explanation:

3 0
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Minimum mass of acetaminophen that can be detected by automated system= 10×2= 20μg= 0.020mg

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