What will happen to the final pressure of a cylinder when the volume is doubled.

Write the chemical equation for the decomposition of sulfuric acid using the 9v battery? (no sulfate ion is not involved in this reaction)

Which of the following is true? a. Tardigrades can survive both extreme heat and extreme cold. b. Tardigrades can survive extreme heat, but not extreme cold. c. Tardigrades can survive extreme cold, but not extreme heat. d.

Hydrogen is 99% H-1, 0.8% H-2, and 0.2 H-3. calculate its average atomic mass

A 9.84 ounces ingot of unknown metal is heated from 73.2 degrees fahrenheit - 191.2 degrees fahrenheit this requires 3.912 calories of energy calculate the specific heat of the metal

How could a sample of gas be collected at the positive electrode? (electrolysis)

A reaction starts with 20.0 grams of lithium hydroxide (LiOH) and produces 31.0 grams of lithium chloride (LiCl), what is the percent yield of lithium chloride (LiCl) ? * LiOH + KCl - LiCl + KOH A) 64.5% B) 88.6% C) 81.5% D) 92.8%

You aren't sure if your pH meter needs to be calibrated, so you put it in a buffer solution that has a known pH of 7. You take four separate readings of the solution with the pH meter. The meter reports the pH as 5.5, 8.6, 6.3, and 9.4.

Can you explain and read this equation 2Mg + 02 - - 2MgO

The label of a gas cylinder has come off in your laboratory. You know that only one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen, or nitrogen.

Give two example of compound that decompose to give off oxgyen gas