Choose Your Own Chemical Adventure

"Good day to you, Sir. I'm looking for Mr Dalton. Do you happen to know whether he is in the house?", you ask.

"John Henry. What did you say your name was?", says the man. "Joule, James Prescott Joule", you answer. "Well, I'm afraid you've just missed him. Thursday is his day off - he usually dines in the Dog and Partridge in Old Trafford. A couple of pints and then a game of bowls.

You have a chat with the man. He asks you what you are doing here. You say, you want to see Mr Dalton. He asks whether you want to kill some time by joining him in some experiments.

You have 2 choices: