QUESTIONS AND SOLUTIONS GRADED A+
◉F. Answer: (9/5 C) + 32
◉C. Answer: 5/9 (F -32)
◉K. Answer: C+273.15
◉density. Answer: mass/volume
◉1 mL. Answer: =1cm^3 = 1cc
◉percent error. Answer: difference from known value/known value
x 100
◉sig fig for Addition/Subtraction. Answer: answer has the same
number of decimal places as the factor with the least amount of
decimal places
, ◉sig fig rules for multiplication/ division. Answer: answer has the
same amount of sig figs as the factor with the least amount of sig figs
◉avagadros number. Answer: 6.022 x10^23
◉tera. Answer: 10^12
◉giga. Answer: 10^9 (1,000,000,000)
◉mega. Answer: 10^6 (1,000,000)
◉kilo. Answer: 10^3 (1000)
◉hecto. Answer: 10^2 (100)
◉deka. Answer: 10^1 10
◉deci. Answer: 10^-1 (0.1)
◉centi. Answer: 10^-2 (0.01)
◉mili. Answer: 10^-3 (0.001)