It takes Sam 0.5 hour to drive to school. His route is 32 km long. What is Sam's average speed?

Complete this equation for the dissociation of na2co3 (aq). omit water from the equation because it is understood to be present.

What is the percent composition of Oxygen found in H2O?

Why is iron bromide not magnetic

Name the simplest "aldose" and "ketone"

Data that shows consistent, regular, repetitive form displays a pattern?

assuming gasoline can be represented as C8H18, how much oxygen is needed to completely burn this fuel. answer in grams of oxygen per gram of gasoline

The gases carbon dioxide, oxygen, and argon are mixed in a container. All gases have the same partial pressure, and the total pressure of the container is 32,680 Pa. What is the partial pressure of argon?

What do all oxygen atoms have in common

Arrange the elements in order of increasing atomic radius Mg Ba F S

Based on the enthalpy changes given for the reactions, which reactions are endothermic? (check all that apply) 2H2O → 2H2 + O2, ΔH = 484 kJ C + O2 → CO2, ΔH = - 394 kJ H2 + Br2 → 2HBr, ΔH = - 73 kJ 2NH3 → N2 + 3H2, ΔH = 92 kJ