Part 1 of 2 How many moles of carbon dioxide gas are
there in a 49.3 L container at 10.0°C and 1.94
atm?
Answer in units of mol. Your answer must
be within 3.0%
part 2 of 2
What is the mass of the carbon dioxide
Answer in units of g. Your answer must be within 3.0%

Chromosome 17 is made of over million base pairs.

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!