Nitrous oxide (n2o), or laughing gas, is commonly used as an anesthetic in dentistry and surgery. how many moles are present in 8.4 liters of nitrous oxide at stp?

Explain how you use the periodic table to tell you that there are two chloride ions for every magnesium ion in magnesium chloride (MgCl2) and one chloride ion for every sodium ion in sodium chloride (NaCl).

Determine the molarity of these solutions: (Assume that all are aqueous) a) 3.67 moles of Na₂SO₃ dissolved to make 3.04 liters of solution. b) 0.629 moles of Al₂O₃ to make 1.500 liters of solution. c) 4.783 grams of Na₂CO₃ to make 10.

Which gas has. an atomic mass of 15.999

The molar mass of magnesium nitrate, Mg (NO3) 2 is what?

A baseball is thrown a distance of 20 meters. what is its speed if it takes 0.5 senconds to cover the distance?

A baker touches a pie right after taking it out that of me which statement best explains why the pie feels hot

A scientist discovers a new type of polymer. What must be true about this polymer? A. It contains carbon atoms arranged in a ring structure. B. It has double bonds between all the carbon atoms. C. It contains molecules of many different types. D.

A line in the lyman series of hydrogen has a wavelength of 122 nm. from what state did the electron originate?

What are the products of photosynthesis? A. Glucose and oxygen B. Oxygen, solar energy, and glucose C. Carbon dioxide, water, and solar energy D. Hydrogen, oxygen, and carbon

A sample of a substance that has a density of 0.824 g/mL has a mass of 0.421 g. Calculate the volume of the sample.