Given a block of wood 2 cm long, 4 cm wide, and 3 cm high, determine its volume. you may work on a separate piece of paper. 11 cm 3 12 cm 3 24 cm 3 36 cm 3

When the volume and number of particles of a gas are constant which of the following is also constant

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.