Liquid nitrogen is used as a commercial refrigerant to flash freeze foods. Nitrogen boils at

-196°C. What is this temperature on the Kelvin temperature scale?

Which of these following terms are made of matter and which or not made of matter: air, light, radio, magnetic field, car, radio wave, feeling, flashlight, heat, textbook, human body, and thought

The p K a of acetic acid is 4.76, and the p K a of trichloroacetic acid, which is used to remove warts, is 0.7. Calculate the dissociation constant of each acid. Which is the stronger acid?

What is a London force?

Explain why you cannot just take away a proton to make a halogen negative. In one sentence

Which electron configuration exhibits the ground-state electron configuration for molybdenum (element 42) ?

A 25 N and 5 N force pull to the right. Friction is 10 N. If the object is 5 kg, find the net force and acceleration.

What properties of matter are intensive independent of their size

What is the density of an object having a mass of 8.0g and a volume of 25cm3

What is a Cilla? (In drawing)

Which term names the group of organisms able to interbreed and produce fertile offspring?