A sample of gas is held at 100oc at a volume of 20 L. if the volume is increased to 40 L what is the new temperature of the gas in celcius.

What's the balanced equation for water

Three types of galaxies

A 0.510 m aqueous solution of KBr has a total mass of 67.0 g. What masses of solute and solvent are present?

As long as you use tongs or clamps to hold the container, you can heat glassware in the blue flame zone of a bunsen burner

HCl + CaCO3 = CaCl2 + H2O + CO2

What is the oxidation number for Our in NaHCO3?

To determine if a reaction is exoteric a student should use

Which of the following are physical properties of a penny? Choose all that are correct. Select one or more:a. Slightly red in color. b. Conducts electricity very well. c. Reacts to oxygen when heated. d. Resists corrosion from most acids.

NO2 and N2O4 undergo the reaction shown. When a sealed container of NO2 reaches chemical equilibrium, which must be true? A) No N2O4 is present. B) No chemical reactions are occurring. C) The rates of the forward and reverse reactions are equal.

What differences did you notice in the different states of water