The magma from a volcano is cooled
Answer is A, the mass and radius of the planet.
The law of universal gravitation states that gravitational force (weight) is equal to G(m1+m2)/r, and G is a constant number. m is mass and r is radius, so the answer is A.
Answer:
1 mol contains 6.02 x 10^23 molecules. So 0.25 mols will contain 0.25 x 6.02 x 10^23 molecules.
Explanation:
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Answer:
Plutonium is the second transuranium element of the actinide series.
Answer:
SI, The International System of Units is a scientific method of expressing the magnitudes or quantities.
- amount of substance (mole)
- time (second)
- length (metre)
- mass (kilogram)
- electric current (ampere)
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