Chemistry, 27.07.2019 18:30 taleiayarbough2940
Why isn't carbon-14 dating accurate for estimating the age of materials older than 50,000 years?
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Chemistry, 22.06.2019 05:30
What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?
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Chemistry, 22.06.2019 10:00
3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
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Chemistry, 22.06.2019 21:30
Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
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Why isn't carbon-14 dating accurate for estimating the age of materials older than 50,000 years?...
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