What is the volume of 0.200 mol of an ideal gas at 200 kPa and 400 K?

A. 0.83 L

B. 3.33 L

C. 5.60 L

D. 20.8 L

When marco is sick, he tests the ph of his saliva and finds that it is 6.1. what is the hydrogen ion concentration of his saliva? (round your answer to seven decimal places.) ?

Basic molecules contain more ... a hydrogen ions (H+). b water molecules. c hydroxide ions (OH-). d oxygen atoms.

Classify each chemical equation as a combination/synthesis, decomposition, single replacement, double replacement, or combustion A. Pb (s) + Hg2SO4 (s) - - - > PbSO4 (s) + 2 Hg (I) B. NaCI (aq) + AgNO3 (aq) - - - >AgCI (s) + NaNO3 (aq) C.

4 methods that can be used to separate mixtures are

Who derived benzene in chemistry

What is the formula for S5O3

Power is measured in which unit?

Consider a bond between boron and oxygen. Which atom would you expect to bear the partial negative charge?

Which of the changes are physical changes

How many grams of sodium are contained in 0.255 mol of na?