Part a how much heat is required to warm 1.70 l of water from 28.0 ∘ c to 100.0 ∘ c ? (assume a density of 1.0g/ml for the water.)

It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location

Is the vertical component of velocity ever zero?

In general what determines whether atoms will form chemical bonds?