Topic 1: The Experiment 1. Write down a brief summary of the main steps you took in the procedure. Be

sure to include any adjustments you made to the procedure and why you made

them.

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.

a. the law of proportion states the combination of 2 atoms in a specific ratio to produce multiple compounds such as the given statement of question ‘1st compound contains 88.8 % cu ’ indicates 88.8 g of cu is present along with 11.2 g oxygen in 100 g of compound whereas the statement ‘2st compound contains 79.9 % cu ’ indicates 79.9 g of cu is present along with 20.1 g oxygen in 100 g of compound

1st compound contains 88.8 g cu

for cu

m = 63 g /mol

atomic % = 88.8 /63 = 1.42

for o

m = 16 g /mol

atomic % = 11.2 /16 = 0.7

b. the emperical formula of 1st compound is

cu1.4o0.7

cu2o

d : a person who learns about the world by observing it. no that is not a smiley face

explanation: