A special type of paper that can determine if a solution is an acid or a base

Which of the following is not a polyatomic ion? A. NH4 B. OH C. NO2 D. NO3 E. None of the Above

How does the material of the parachute affect its drop

A sample of ideal gas at room temperature occupies a volume of 12.0 L at a pressure of 802 torr. If the pressure changes to 4010 torr, with no change in the temperature or moles of gas, what is the new volume, V 2?

Which molecule is polar, based on structure? 1) sulfur dioxide 2) carbon disulphide 3) ethylene 4) carbon tetrachloride

How many moles of silver (Ag) are equivalent to 68.3 g Ag?

Ozone reacts completely with NO, producing NO2 and O2. A 13.0 L vessel is filled with 1.30 mol of NO and 1.30 mol of O3 at 401.0 K. Find the partial pressure of each product and the total pressure in the flask at the end of the reaction.

Which particles make up the nucleus of an atom? protons and electrons neutrons and electrons protons only protons and neutrons neutrons only

An egg is fried is that a physical or a chemical change

How many mono-; di -; and trichloro derivatives are possible for cyclopentane?

A gas occupies 3.60 L when the temperature is 45.0oC and at 1.02 atm of pressure. What temperature change (in K) will be needed to change the volume to 6.25 L at constant pressure?