What elements are found in a 9 volt battery

What is the correct way to prepare a 1 molar solution of kno3?

When 0.72 g of a liquid is vaporized at 110° C and 0.967 atm, the gas occupies a volume of 0.559L. The empirical formula of the gas is CH2. what is the molecular formula of the gas?

If your front yard is 16.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates 1250 new snowflakes every minute, how much snow (in kilograms) accumulates on your lawn per hour? Assume an average snowflake has a mass of 2.00 mg.

A vapor composed of 0.60 mole fraction ethanol and 0.40 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid.

Problem page a virus has a mass of * 9.010-12mg and an oil tanker has a mass of * 3.0107kg. use this information to answer the questions below. be sure your answers have the correct number of significant digits.

Who invented carbon element?

what natural resources are used to make a computer? what natural resource am i using to operate a computer?

What are 5 examples of physical changes and chemical changes?

Which statement is true of the carbon atoms that make up a diamond

How many moles of O2 are required to react completely with 1.396 g of Fe?