Chemistry, 09.09.2020 08:01 bhaddieraven
the density of water at 0C is 0.9999g/mL, and the density of ice at 0C is 0.9168g/ml. a) Based upon these densities, does water contract or expand when it freezes? Explain. b) Suppose you have a 250-mL container completely filled with ice (no air bubbles). What volume of liquid water will form when the ice melts? c) In (b),would wter spill out of the container once the ice melted? if so, how much water would spill out? if not, how much water could you add to the container after he ice melted?
Answers: 1
Chemistry, 22.06.2019 08:30
In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
Answers: 2
Chemistry, 22.06.2019 12:20
Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.
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Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
the density of water at 0C is 0.9999g/mL, and the density of ice at 0C is 0.9168g/ml. a) Based upon...
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