What is the concentration of a solution made by dissolving 8.0 g ch3oh in 250. g of water? find in molality.

Convert 25 mg to unit HG

How can the ozone hurt us?

Select the atoms or ions drawn with valid Lewis dot structures. A) A carbon has a dot on top, right, bottom and to the left. a nitrogen has one dot on top, left and to the bottom and has a charge of minus 3.

According to kinetic-molecular theory, which of the following would not be considered an ideal gas? Check all that apply.

When analyzed by TLC, a compound exhibited an Rf value of 0.48 when diethyl ether was utilized as the developing solvent. In this analysis the solvent was allowed to travel a distance of 7.8 cm up the plate.

The rate constant is found to be 3.9 x 10-5 M-1 s-1. Calculate the rate of formation of ozone when the concentration of oxygen atoms is 3.0 x 10-14 molar and the concentration of diatomic oxygen is 1.3 x 10-14 molar.

The element Oxygen, O, is an example of which of the following? Question 8 options: A compound B molecule C atom D mixture

The measurement 0.41006 gram, rounded to three significant figures, is expressed as

1. When adding strong base to a buffer, why can we assume the equilibrium value of the OH - is zero?

When acid (X) reacts with base (Y) to produce Mg3 (PO4) 2 - what are X and Y