Answer: Divide the mass of the object by its volume to yield the density of the object. For example, the object density = mass / (Vf – Vi). Compare the measured density to that of pure gold (19.3 g/cc) to determine whether the object is made of pure gold.
Explanation: I searched it
A. wavelength
wavelength is the distance between 2 crests of a wave
Answer:
I'm Not Good At Chemistry.
Explanation: It's Hard.
Answer: The answer is C. The reaction system absorbs 22 kJ of energy from the surroundings.
Explanation: I just took the quiz and it said I got it right.
