A wagon is at rest until a girl pulls it along the sidewalk. Which of the following describes the net force experienced by the wagon that causes it to move? a
noncontact
b
gravitational
c
unbalanced
d
balanced

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Once similarity and one difference between a mixture of elements and a mixture of compounds