Work is labor and energy is useful for it because you need energy to work unless you will be tired
Answer:
A base is a substance that can donate a hydroxide ion.
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Answer:
92.93 g
Explanation:
Number of half lives that have elapsed in eight days =8/14.3 = 0.559
Fraction of the radioactive nuclide that remains after 0.559 half lives is given by
N/No=(1/2)^0.559
Where N= mass of radioactive nuclides remaining after a time t
No= mass of radioactive nuclides originally present
N/No=(1/2)^0.559= 0.679
Mass of nuclides present eight days before= 63.1g/0.679
Mass of nuclides present eight days before=92.93 g
The pressure of a gas is directly affected by the temperature and number of gas particles in a system, and inversely affected by the volume of gas in the system.
