How many oxygen atoms are present in 2.5 mol

How many moles of solute are present in 50.0 ml of 0.20 m kno3

An object has a density of 4.5kg/mL and a mass of 3.56kg. What is the volume of the object in ml?

What exactly is a reservoir?

100mL of water initially at 35°C is placed inside a calorimeter. What will be the final temperature in the calorimeter if 50g of aluminum initially at 100°C is added to the water?

What is the lewis dot structure for Boron Nitride? I was wondering what the Lewis dot structure for Boron Nitride is. I'm confused. I don't know if it has loan pairs or if on is supposed to be placed in the middle or what?

A balanced chemical equation indicates both the number of particles of reactants and products and the number of a. orbits. c. nuclei. b. electrons. d. moles

To squeeze a gas into a smaller space

Why does soda fizz when you poor it into a cup?

Which of the following does NOT describe acute exposure to hazardous materials? A. Determination of exposure is almost always after the fact. B. Long time period between exposure to an agent and the onset of symptoms. C.

Select the correct answer. In the graph, what effect would adding a catalyst have on D? A. It would decrease. B. It would increase. C. It would stay the same. D. You cannot tell from this graph.