Consider the following equation in chemical equilibrium:

c2h4(g) + h2(g) < -> c2h6(g) + 137 kj
when the temperature of the system is increased,
what happens to the amount of ethane (c2h6)?

a. the amount of ethane decreases.
b. the amount of ethane increases.
c. the amount of ethane decreases initially and then increases.

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.

The biosphere of the earth is made up of . a. inorganic b. organic