Ammonium Chloride Experiment Flashcards
What is a theory?
A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
What happened when you stretched the rubber balloon over a test tube of water containing phenolphthalein solution?
It turned pink
What is phenolphthalein?
Phenolphthalein is often used as an indicator in acid–base titrations.
Consider the evaporation of ammonia. You can smell this ether before all of the liquid has evaporated. How do you explain this?
You are able to smell this because of diffusion and because ammonia has a low density and evaporates easier.
Water will condense on the sides of the cold glass where does this water come from?
This comes from the water vapor in the air.