When an unknown substance is dissolved in water, hydronium ions form. what can you conclude about the substance?
a. the substance is a gas.
b. the substance is a base.
c. the substance is a carbohydrate.
d. the substance is an acid.

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.