Three half lives meant that the mass was halved three times. Therefore, 20 * 2 * 2 * 2 to reverse the process yields 160 grams in the beginning.
Answer:
Since the gravitational potential energy of an object is directly proportional to its height above the zero position, a doubling of the height will result in a doubling of the gravitational potential energy. A tripling of the height will result in a tripling of the gravitational potential energy.
Answer:
The answer to your question is: C. A gas turning into plasma.
Explanation:
The plasma state is similar to the gas state, but these to states behave very different.
Like gases, plasma does not have a shape or fixed volume and are less denser than solids and liquids.
But, unlike gases, plasma are made up of atoms in which some of the electrons have been stripped away.
Yes, a reaction will occur. Potassium chloride react with bromine to produce potassium bromide and chlorine would take place in a boiling solution.
Answer:
Shorter waves vibrate at higher frequencies and have higher energies. Red light has a frequency of around 430 terahertz, while blue's frequency is closer to 750 terahertz. Red photons of light carry about 1.8 electron volts (eV) of energy, while each blue photon transmits about 3.1 eV.
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