What does this expression represent?

Kb for H2S

Ka for H2S

Kb for S2-

Kb for HS-

Ka for HS-

An aqueous solution of 14.7 g of catalase, an enzyme found in the liver, has a volume of 1.00 L at 27oC. The solution's osmotic pressure at 27oC is found to be 1.10 torr. Calculate the molar mass of catalase

If heat flows out of a system, the heat change (AH) will be , and the reaction will be

A triple bond is a bond between two atoms where six electrons are shared between them. True or False

What is scientific meaning for emerge?

The negative of the common logarithm of the hydronium concentration of a solution is called ___.

During what phase of the moon can a lunar eclipse occur? A) new moon B) first quarter C) waxing gibbous D) full moon

All bodies of water make up a earth's A. atmosphere B. asthenosphere C. hydrosphere D. lithosphere

Which characteristic provides clues to how igneous rocks were formes? A textures B color C luster D streaks

If your heart beats an average of 68 times per minute, how many times will your heart beat in an hour? In a day? In a week? Show all work

The gas described in parts a and b has a mass of 1.66 g. the sample is most likely which monatomic gas?