Ammonium Chloride Experiment Flashcards

1
Q

What is a theory?

A

A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happened when you stretched the rubber balloon over a test tube of water containing phenolphthalein solution?

A

It turned pink

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is phenolphthalein?

A

Phenolphthalein is often used as an indicator in acid–base titrations.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Consider the evaporation of ammonia. You can smell this ether before all of the liquid has evaporated. How do you explain this?

A

You are able to smell this because of diffusion and because ammonia has a low density and evaporates easier.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Water will condense on the sides of the cold glass where does this water come from?

A

This comes from the water vapor in the air.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly