An OH group attached to a hydrocarbon is called a _ group whereas _ is a polyatomic ion with a charge of _.

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

What is the density of the black hole

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o