Explain 3 unique properties of hydrogen

Is this statement true or false? Bases will turn litmus paper red. a. True b. False

Discuss 2 ways the cells are alike

Chemists study the properties of substances and the particles that compose those substances.

A solid with a density of 3.57g/mL and mass of 19.5g is added to a graduated cylinder that contain 23.2mL of water. What is the volume of the liquid once the solid is dropped in the cylinder?

Imagine a drop of water hanging from your finger. how is this similar to the water staying together after the balloon is popped

A mixture of He He, N 2 N2, and Ar Ar has a pressure of 22.1 22.1 atm at 28.0 28.0 °C. If the partial pressure of He He is 2475 2475 torr and that of Ar Ar is 1049 1049 mm Hg, what is the partial pressure of N 2 N2?

Oceans make the temperaturs of nearby land more extreme ... True or false

The Greek letter D stands for A. Mass of B. Rate of C. Change in D. Heat stored in

14. Two or more substances that are together but do not combine to form a new, pure substance.

A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution