According to the United Nations, how many people lack access to safe drinking water?

A certain volume of a gas is at STP. What will be the pressure if the temps tire is changed to 375k? Assume no change in volume

What is the arrhenius definition of an acid?

A Proton is positively (+1) charged particle and the mass 1.6727 x 10-^24 g A Neutron is a neutral (0) particle and the mass is 1.6750 x 10^-24 g

What describes redshift

Water in the form of a gas is called

Some elements are solids at room temperature true or false

What is the most expensive element?

Constance is making a vegetable soup that contains carrots, beans, water, salt, pepper, bits of ham, and onions. the soup has to cook for 4 hours. while the soup is cooking, what will happen to some of the minerals that are in its ingredients?

Which of the following form solid solutions? Select all that apply. naturally occurring minerals gases present in air HCl and water sugar and water metal alloys

Alan's go-kart travels 1750 feet per minute, and Barry's go-kart travels 21 miles perhour. Who's go-kart travels faster?