Which substance is a physical reaction to copper

Copper rusting or copper depending due to force

Consider the reaction: Br2 (g) + Cl2 (g) → 2BrCl (g) Given an initial mass of 14.21 g Br2, an excess of Cl2, and assuming that all of the reactant is converted to product (s), and none is lost, calculate the mass (g) of BrCl produced by the reaction.

What properties of gases are measurable?

Who established using atomic numbers as the basis for organizing the periodic table?

What is the mass of solute in 200.0 L of a 1.556-M solution of KBr

To test the effectiveness of a gunpowder mixture, 1 gram was exploded under controlled STP conditions, and the reaction chamber was found to expand to 310 cm3.

Which of the following is an extensive physical property? viscosity color mass density

Are protons and neutrons the same size? Explain.

3) which is an example of a physical change? a) grinding pepper b) toasting bread c) lighting up a grill d) baking a cake

When a bond is formed, energy is _ the atoms

Describe 2 theories for yawning