The equation E - M C 2 was theoretical until it received an experimental proof fromA- measurement of the molecular mass of the compound at the time of decomposition-B- measurement of the molecular mass of the compound formed by chemical reaction-C- Nuclear reactions carried out in the laboratory-D- The phenomenon of radioactivity

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Physics

Nuclear Fusion

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The equation $E = M C^{2}$ was theoretical until it received an experimental proof from

measurement of the molecular mass of the compound at the time of decomposition.

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Nuclear reactions carried out in the laboratory.

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The phenomenon of radioactivity

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measurement of the molecular mass of the compound formed by chemical reaction.

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Solution

The correct option is B Nuclear reactions carried out in the laboratory.
Nuclear reactions carried out in the laboratory.
This is where scientists could actually figure out the practicality of the formula.

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(a) (i) A compound has the following percentage composition by mass: carbon 14.4%, hydrogen 1.2% and chlorine 84.5%. Determine the empirical formula of this compound. Work correct to 1 decimal place. (H = 1; C = 12; Cl = 35.5)
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(b) From the equation:
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Q. A liquid possessing which of the following characteristics will be most suitable for determining the molecular mass of a compound by cryoscopic measurements?

Q. A liquid possesing which of the following characterstics will be most suitable for determining the molecular mass of a compound by cryoscopic measurements?

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The equation E=MC2 was theoretical until it received an experimental proof from

The correct option is B Nuclear reactions carried out in the laboratory.Nuclear reactions carried out in the laboratory. This is where scientists could actually figure out the practicality of the formula.

The equation $E = M C^{2}$ was theoretical until it received an experimental proof from

The correct option is B Nuclear reactions carried out in the laboratory.
Nuclear reactions carried out in the laboratory.
This is where scientists could actually figure out the practicality of the formula.