What is the weight, on Earth, of a book with a mass of 16 kg?

16N

65N

113N

147N

What is the hydroxide concentration of a solution with a pH of 12.80?

Give three examples of liquid substances in which you would expect dipole-dipole attractions to be large.

Why is Cl2 + KI → KCl + 12 not a synthesis reaction? A) Oxygen is not a product in this reaction. B) The reaction has more than one product. C) Oxygen is not a reactant in this reaction. D) The reaction has more than one reactant.

How many atoms are in 0.075 mol of helium

Select two statements that describe how elements in the same group are similar to each other. Remember to select two answers A: Elements in the same group share the same number of valence electrons.

Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. If you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make?

What is the maximum number of electrons in the second electron shell, closest to the nucleus?

Which compound is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?

Energy can be transformed from one form to another. The diagram shows one such process. Which energy transformation is represented in the diagram?

Mathematically define heat capacity with equations.