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Dennis_Churaev [7]
3 years ago
11

Can someone help me on this letter E please

Chemistry
1 answer:
raketka [301]3 years ago
5 0
I think it’s Carbon dioxide
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The potential energy of an object increases 50 J. If there is no friction how much Kinect energy has been transformed
Mandarinka [93]

Answer:

The amount of kinetic energy an object has depends on its

Motion

Explanation:

Only kinetic energy increases when the velocity of an object increases.

3 0
3 years ago
A catastrophic disturbance that resulted in mass extinction marks the boundary of which two eras?
kozerog [31]
The answer might be A
4 0
3 years ago
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A gas in a piston–cylinder assembly undergoes a compression process for which the relation between pressure and volume is given
m_a_m_a [10]

Answer:

1.

A=69.8\frac{bar}{m^6}\\\\ B=0.00302bar*m^6

2. W=-8.2kPa

Explanation:

Hello,

1. In this case, for the given p-V equation, one could use the two states to form a 2x2 linear system of equations in terms of A and B:

\left \{ {{0.1^2A+0.1^{-2}B=1} \atop {0.04^2A+0.04^{-2}B=2}} \right.

\left \{ {{0.01A+100B=1} \atop {0.0016A+625B=2}} \right

Whose solution by any method for solving 2x2 linear system of equations (elimination, reduction or substitution) is:

A=69.8\frac{bar}{m^6}\\\\ B=0.00302bar*m^6

2. Now, for us to compute the work, we must first compute n, as the power relating the pressure and volume for this process:

P_1V_1^n=P_2V_2^n\\\\\frac{P_1}{P_2}=(\frac{V_2}{V_1}  )^n\\\\\frac{1bar}{2bar}= (\frac{0.04m^3}{0.1m^3}  )^n\\\\0.5=0.4^n\\\\n=\frac{ln(0.5)}{ln(0.4)} =0.7565

Now, we compute the work:

W=\frac{P_2V_2-P_1V_1}{1-n} =\frac{2bar*0.04m^3-1bar*0.1m^3}{1-0.7565} \\\\W=-0.082bar*m^3*\frac{1x10^2kPa}{1bar}\\ \\W=-8.2kPa

Regards.

8 0
4 years ago
What are some non examples of temperature ?
adoni [48]

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Explanation:

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3 years ago
Which statement describes what occurs as two atoms of bromine combine to become a molecule of bromine?
Liono4ka [1.6K]
Br + Br -> Br2 (covalent bond) 

<span>forming of bonds releases energy, since the Br's are at a lower energy state as Br2

Answer is #3</span>
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