A sample of gas occupies a volume of 50.0 mL. As it expands, it does 145.5 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas?

What is impossible to do with a hypothesis

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion