Questions & Answers (Grade A+)
1 kg = xg -
correct answer ✅1000g
1 KJ = xJ -
correct answer ✅1000J
Accuracy -
correct answer ✅how close a measurement is to the true or
accepted value
Precision -
correct answer ✅how reproducible a measurement is
Find mass -
correct answer ✅volume x density
Find density -
correct answer ✅mass/volume
Find volume -
correct answer ✅mass/density
, Chemistry 11 Midterm 1 Exam
Questions & Answers (Grade A+)
WANT=? -
correct answer ✅HAVE x KNOW
Addition/Subtraction Sig Fig Rules -
correct answer ✅round your answer to the same number of
decimal places as the number with the fewest decimal places in the
original calculation
Multiplication/division sig fig rules -
correct answer ✅round to least number of sig figs
Physical property -
correct answer ✅Found without creating something new. Can be a
change of phase
chemical property -
correct answer ✅A chemical reaction and change that creates
something new. Different from previous chemicals