Chemistry ACS Study guides, Class notes & Summaries

Chemistry Final ACS Exam 75 Questions with Verified Answers Accuracy? - CORRECT ANSWER Closeness of measurements to the TRUE VALUE of what is being measured Precision? - CORRECT ANSWER Closeness of a SET of measurements How do you calculate Percent Error? - CORRECT ANSWER I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? - CORRECT ANSWER Nope! ex: 0.0071 is only 2 sig figs Are zeros at the end of a number and...

Accuracy? correct answers Closeness of measurements to the TRUE VALUE of what is being measured Precision? correct answers Closeness of a SET of measurements How do you calculate Percent Error? correct answers I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? correct answers Nope! ex: 0.0071 is only 2 sig figs Are zeros at the end of a number and to the right of the decimal significant? correct answers Yep! ex...

• Chapter 1 o Unit conversions- use dimensional analysis ▪ Milli, centi, kilo o Particle diagrams ▪ Solid- is a material with a defined shape in which the atoms or molecules are packed together closely. ▪ Liquid- is a material that flows and takes on the shape of its container because its particles can flow past one another. ▪ Gas- is a material that has no fixed shape or volume because its particles are widely spaced and move rapidly past one another o Mass/moles/molecules o...

Accuracy? correct answers Closeness of measurements to the TRUE VALUE of what is being measured Precision? correct answers Closeness of a SET of measurements How do you calculate Percent Error? correct answers I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? correct answers Nope! ex: 0.0071 is only 2 sig figs Are zeros at the end of a number and to the right of the decimal significant? correct answers Yep! ex...

Accuracy? - Closeness of measurements to the TRUE VALUE of what is being measured Precision? - Closeness of a SET of measurements How do you calculate Percent Error? - I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? - Nope! ex: 0.0071 is only 2 sig figs Are zeros at the end of a number and to the right of the decimal significant? - Yep! ex: 9.100 is 4 sig figs Addition/Subtraction in regards to sig figs? ...

Accuracy? - Closeness of measurements to the TRUE VALUE of what is being measured Precision? - Closeness of a SET of measurements How do you calculate Percent Error? - I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? - Nope! ex: 0.0071 is only 2 sig figs Are zeros at the end of a number and to the right of the decimal significant? - Yep! ex: 9.100 is 4 sig figs Addition/Subtraction in regards to sig figs? - Round number...

Accuracy? correct answers Closeness of measurements to the TRUE VALUE of what is being measured Precision? correct answers Closeness of a SET of measurements How do you calculate Percent Error? correct answers I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? correct answers Nope! ex: 0.0071 is only 2 sig figs Are zeros at the end of a number and to the right of the decimal significant? correct answers Yep! ex...

CHEMISTRY FINAL ACS EXAM TEST RATED 100 % CORRECT

Accuracy? - Answer-Closeness of measurements to the TRUE VALUE of what is being measured Precision? - Answer-Closeness of a SET of measurements How do you calculate Percent Error? - Answer-I experimental-accepted I ____________________ x 100 accepted value Are zeros infront of non-zero digis significant? - Answer-Nope! ex: 0.0071 is only 2 sig figs Are zeros at the end of a number and to the right of the decimal significant? - Answer-Yep! ex: 9.100 is 4 sig figs Addition/S...