In the chemical formula for ammonia, NH3, what does the subscript 3 represent?

3. A gas has a volume of 225 L at 175 K and 150 kPa. What will be its volume at a temperature of 112 K and pressure remains constant? 4 . A gas is heated to 180 K at a constant pressure of 1 atm. If the container expands to hold a volume of 44.

What is radius? When might you need to measure an object's radius?

Draw the amide formed when 1-methylethylamine (CH3CH (CH3) NH2) is heated with each carboxylic acid.

Which practice is harmful to the land? A) using animal waste as fertilizer B) Composting with peels from commercial fruit C) Throwing paint cans in the garbage D) Cutting the lawn with a gas-powered mower

A force of 6 newtons is used to move an object 10 meters. How much work is done? 600 newton-meters 6 newton-meters 60 newton-meters 10 newton-meters

What would be the total mass of the products of a reaction in which 25 grams of table salt decomposes into the elements sodium and chlorine?

The nucleus of a Helium atom has a charge equal to twice the proton's charge. Let FN denote the magnitude of the force the Helium nucleus exerts on one of the electrons in a Helium atom, and let Fe denote the magnitude of the force one electron in

What can you say about the past four decades?

Calculate the percent yield for the reaction above if 25.0 grams of H2SO4 was actually produced and the theoretical yield was predicted to be 42.0 grams. (% yield = Actual / theoretical x 100) SO3 (g) + H200 H2SO4 (9) O 59.5 O 168 O 0.595 O 1.68

Why does hot water freeze faster than cold water?