Which of the following choices represents a balanced chemical equation? Ca3 (PO4) 2 + 6SiO2 → P4O10 + 3CaSiO3 2Ca3 (PO4) 2 + 6SiO2 → P4O10 + 6CaSiO3 2Ca3 (PO4) 2 + 3SiO2 → 2P4O10 + 2CaSiO3 3Ca3 (PO4) 2 + 2SiO2 → P4O10 + 4CaSiO3

Which properties do not change the composition of a substance

What is the name of the ionic compound nabr?

An aqueous potassium iodate (KIO 3) solution is made by dissolving 587 grams of KIO 3 in sufficient water so that the final volume of the solution is 5.00 L. Calculate the molarity of the KIO 3 solution.

What can you determine about an element if you only know its group number on the periodic table? A. The number of valance electrons B. The total number of protons and neutrons C. The number of protons ОО D. The total number of electrons

What is the expected lifespan of a nuclear reactor?

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?