Answer:
d.All of the above are correct.
Explanation:
The curve of demand moves left or right continuously. Income, patterns and preferences, related products prices as well as the population size and composition are the key factors causing demand change.
Kinetic energy = 1/2mv²
where m = 54kg
and v =3m/s
k.e = 1/2×54×3×3
= 1/2×54×9
= 1/2×426
= 486÷2
= 243J
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Answer:
Explanation:
Hello,
In this case, the undergoing chemical reaction is:
Thus, Kp for this reaction is computed based on the given molar fractions and the total pressure at equilibrium, as shown below:
Now, by using the Van't Hoff equation one computes the equilibrium constant at 298.15K assuming the enthalpy of reaction remains constant:
Finally, the Gibbs free energy for the reaction at 298.15K is:
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Answer:
D: It must stay the same
Explanation:
The Law of Conservation of Mass states that when matter changes form (B.E.C., solid, liquid, gas, plasma), no particles are created or destroyed.
This makes a change in mass impossible, since the atoms themselves stay the same.
The state of matter is independent of the mass of any atom.
