Referring to an activity series, which of the following combinations of reactants would not produce a successful single-replacement reaction?

Zn + CuSO4

Ca + MgSO4

Ag + SnSO4

K + Na2SO4

What happens if you break a magnet in half? a) Each half will be a new magnet, with both a north and south pole. b) One half will have a north pole only and one half will have a south pole only. c) Neither half will have a pole.

What is needed to balance the reaction Cl2 + KI → KCl + 12? O A. 2KI and 2KCI O B. AKCI O c. 2K1 O D. 2Cl2 and 212

In which state can matter be compressed into a smaller container?

Convert 400 grams of aluminum, to grams of copper. Convert 67 L of aluminum sulfate to grams of copper (II) sulfate. Convert 5.85x1023 atoms of copper to formula units of aluminum sulfate.

A. Define the terms 'oxidation' and 'reduction. B. The oxidation number of S inS2O32 - is: C. The oxidation number of S inS4O62 - is: How were the assignations made?

How are natural polymers and synthetic polymers similar? A) Both are made up of phosphates and organic bases B) Both serve important roles in producing amino acids C) Both are made up of monomers that are linked by covalent bonds

How can the solubility of a solution be increased? By increasing the temperature. By decreasing the temperature. By increasing the amount of solvent added. By decreasing the amount of solvent added.

Read the scenario. Ammonia is obtained from a reaction between nitrogen and hydrogen gases. The mole ratio between hydrogen gas and nitrogen gas is 3 to 1, and the mole ratio between ammonia and hydrogen gases is 2 to 3.

Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide produced when Cf-249 is bombarded with C-12? Four neutrons are also produced by the reaction.

State the formula for density in words and mathematical symbols.