A. Write the chemical reactions taking place b. Identify conjugate pairs by labeling the reactants and products as acids or bases

c. Which chemical reaction illuminates the light bulb the brightest? Which light bulb is dimmer? Explain

d. Write the equilibrium constant expression, Ka, for each and predict the relative magnitudes of Ka. Describe what structural factors influence dissociation and, thus, the Ka value.

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together