Magnesium combines with oxygen to form magnesium oxide. If 24.46 g of magnesium reacts completely with 5.41 g of oxygen, what is the percent by mass of oxygen in magnesium oxide?

Rico mixed up 500 cc of salt solution. He weighed it and found its mass to be 585 g. Will his shake-up toy work the way he wants it to if he uses this salt solution? Why or Why not?

What is the theoretical yield of ammonia that can be obtained from the reaction of 17.1 g of H2 and excess N2?

When a bond between a hydrogen atom and a sulfur atom is formed, electrons are?

If an unknown quantity of gas is held at a temperature of 789 K in a container with a volume of 22.0 L and a pressure of 765 torr, how many moles of gas are there?

What kind of reaction is used for electroplating answers?

A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. In an experiment, a 0.

The state of matter for an object which has a definite volume but not a definite shape is ... Solid state Liquid state Gaseous state

Using the periodic table, determine the number of neutrons in a carbon.

Sailin Steve likes to test the buoyancy of different objects. He threw a spherical object into a fluid that has a greater density than the object does. He also threw a square object into the fluid that has a greater density than the fluid.

The sun is directly overhead at the equator on what day of the year? A. Zenith B. Solstice C. Equinox D. Ecliptic Isn't it the Solstice?