Chemistry

Tetra T
T= 10 ^12
Giga G
10 ^9
Mega M
10^6
Kilo k
10^3
hecto h
10^2
deka da
10^1
deci d
10^-1
centi c
10^-2
Mili m
10^-3
micro u
10^-6
Nano n
10^-9
pico p
10^-12
1 lb = ? g
454 grams
1 oz = ? g
28.4 grams
1 lb = ? kg
0.454 kg
1 grain = ? g
0.0648 grams
1 carat = ? mg
200 mg
1 mi = ? km
1.61 km
1 yd = ? m
0.914 m
1 in = ? cm
2.54 cm
Celsius to Fahrenheit conversion
F = (9/5)(C) + 32
Fahrenheit to Celsius conversion
C = (5/9)(F-32)
Celsius to Kelvin conversion
K = C + 273
1 mm of mercury = ? torr
1 torr
1 atm = ? torr
760 torr
1 atm = ? psi
14.7 psi
1 atm = ? kilopascals
101 kPa
1 calorie = ? J
4.184 J
1 kilocalorie (food calorie) = ? J
4,184 J
1 British Thermal unit = ? cal, ? J
252 cal, 1,053 J
Accuracy
how well the measurement agrees with the accepted value
Precision
how well a set of measurements agree with each other
x

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