|
Pregunta
|
Respuesta correcta
|
A wooden block of 40 cm3 has a mass of 36 g/cm. What is the density of the wood in g/cm3 ? :
|
0.9 g/cm3 |
The density of seawater is 1.1 g/cm3. Calculate the volume in cm3 of 1 kg of water. :
|
909 cm3 |
If one m3 of air weighs 1 kg, what is the density of the air expressed in kg/m3 ? :
|
1 kg/m3 |
A steel nail of 2.5 cm3 has a mass of 20 g. Calculate the density of the steel. :
|
8 g/cm3 |
Calculate the mass in kg of a 3-litre jar of olive oil. The density of the olive oil is 900 g/L. :
|
2.7 kg |
Calculate the volume occupied by 390 g of a substance with a density of 2390Kg/m3 . :
|
0,163 L |
Calculate the volume occupied by 12 kg of water. d = 1000 Kg/m3 :
|
0,012 m3 |
Calculate the density of a substance whose mass is 12,000 g and volume is 12,000 cm3. :
|
1000 kg/m3 |
|
Pregunta
|
Respuesta correcta
|
what is the melting temperature of the substance helium? :
|
-272 |
what is the melting temperature of the substance alcohol? :
|
-114 |
what is the melting temperature of the substance water? :
|
0 |
what is the melting temperature of the substance aluminium? :
|
660 |
what is the boiling temperature of the substance nitrogen? :
|
-196 |
what is the boiling temperature of the substance water? :
|
100 |
what is the boiling temperature of the substance lead? :
|
1750 |
what is the boiling temperature of the substance copper? :
|
2600 |
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