Which of the following is a combustion reaction?

2AgNO3 + H2S → Ag2S + 2NHO3

2H2O → 2H2 + O2

4Fe + 3O2 → 2Fe2O3

2Al + N2 → 2AIN

A piece of potassium metal is added to water in a beaker. The reaction that takes place is 2K (s) 2H20 (/) ... 2KOH (aq) H2 (g) Predict the signs of w, q, liU, and / iH

What type of matter is copper

53) The mass of a calcium atom is due primarily to the mass of its A) protons, only B) neutrons, only C) protons and neutrons D) protons and electrons

Use the rate constants for the forward and reverse reactions to determine whether reactants or products are favored at equilibrium in this case: kforward Keq = kreverse When Kea < 1, the equilibrium lies to the left (reactants are favored).

A piece of sodium metal when thrown in water catches fire. give reason

True or false products are located in the left side of a chemical equation?

This is science related. How does Euglena resemble a plant cell

According to the atomists, the entire physical world was made of:

What is the biggest challenge to carbon dating?

To make a 6.50M solution, how many moles of solute will be needed if 12.0 liters of solution are required