Quiz - Chemistry and the Scientific Method - 1 | Chemistry and the Scientific Method
General Chemistry 1 - Quiz - Chemistry and the Scientific Method - 1
What is the SI unit of the temperature?
The SI unit of the temperature is Kelvin (K).
What is the SI unit of the mass?
The SI unit of mass is the kilogram (kg).
What is the conversion of 1 pm in meter?
pico- (p) means 10-12 ⇒ 1 pm = 10-12 m
What is the kinetic energy of a car (m = 1.30 x 103 kg) running at 100 km.hour-1?
Kinetic Energy (Ek) = mv2 and 100 km.hour-1 = 27.8 m.s-1
How many significant figures do you have in the number 0.0002030?
0.0002030 has 4 significant figures
What is the result of this calculation: 0.236 x 3.658?
Multiplication: number of significant figures of the answer = the smallest number of significant figures of the numbers in the calculation
0.236 and 3.658 ⇒ the answer will have 3 significant figures