Raising the temperature speeds up the rate of a chemical reaction by increasing?
a. the effectiveness of collisions, only
b. the frequency of the collisions, only
c. both the effectiveness and the frequency of the collisions
d. neither did the effectiveness or the frequency of the collisions

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

The element that has the greatest electronegativity is