What is the molar mass of a substance? the mass in grams of one mole of a substance the number of particles in one gram of a substance the number of moles in one gram of a substance the mass in grams of one particle of a substance

Why sodium chloride is hard but sodium metal is soft?

Can someone tell the outcomes of these Steel Wool + Oxygen (Fire) Egg + Heat Water + Heat Zinc + Hydrogen Chloride Sodium Hydroxide + Copper Sulfate

A compound differs from a mixture in that a compound -Contains only one element - Varies in chemical composition depending on the sample size - has a definite composition by the elements that the compound contains - Can be classified as either

1. How many moles of O2 are needed to react completely with 8 moles of CO? 2CO + O2 → 2CO2

Nitrogen monoxide and oxygen, both colorless gases, form a red-brown gas when mixed. Nitrogen monoxide and oxygen are called the

Is it true or false that gamma rays have no mass and no electrical charge

True or False? Urea has a high solutiblity in water, due in part to its ability to form hydrogen bonds

Give a reasonable explanation why segments 2 and 4 are not associated with temperature increases even though heat is added a constant rate.

20.0 g of Nitrogen is produced when oxygen gas reacts with NO gas. 29.8 L of oxygen is required at STP to produce this 20.0 g of NO. A. yes B. false

What are some chemical properties of Nitrogen?