Sig Figs
Solve and round to the correct number of sig figs. 35.67 - 29.7 ?
5.8
convert 36.7 kg to grams
0.0367
H2O is an example of a what?
compound
convert 50.0 degrees Celsius to Kelvin
323.2 K
1 Cal = how many kcals?
1
How many sig figs in this number: 1.37 x 10 ^ -15
Convert 17.0 in^2 → cm^2
110.
disolving sugar and water is an example of what kind of change?
physical change
Convert 167 degrees Fahrenheit to degrees Celsius
75.0 degrees celsius
what is matter made of?
atoms
how many sig figs in this number 750,010
5 sig figs
The density of silver (Ag) is 10.5 g/cm^3. Find the mass of Ag that occupies 965 cm^3 of space.
10100 g
A physical change is generally _________.
reversible, irreversible, both reversible and irreversible, or none of the above
reversible
Convert the boiling temperature of gold, 2966 °C, into degrees Fahrenheit and Kelvin.
5,371 degrees Fahrenheit
3239 degrees kelvin
A banana going from green to now having brown spots is an example of what kind of change?
chemical change
How many sig figs? 0.20080
4 sig figs
A 2.75 kg sample of a substance occupies a volume of 250.0 cm^3. Find its density in g/ml.
11.0 g/ml
Convert 175.0 J of energy to calories
41.83 calories
Convert 50.000 degrees F to Kelvin
283.15 K
convert 3.90KJ to calories
932 cal