Astudent growing a crystal finds that the mass of the crystal decreased from one day to the next day. why? a. student added to little saturated solution to the crystal growing vessel b. student added too much saturated solution to the crystal growing vessel c. the string around crystal was tied too tightlu d. temp went up
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Chemistry, 22.06.2019 09:30
In 2002, the rare earth elements mine in mountain pass, california was closed because
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Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
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Chemistry, 23.06.2019 19:40
The reaction: (ch3)3cbr + oh− → (ch3)3coh + br− in a certain solvent is first order with respect to oh−. in several experiments, the rate constant k was determined at different temperatures. a plot of ln(k) vs 1/t was constructed and the slope of the line was -1.10 x 104 k with a y-intercept of 33.5. what is the value for k at a temperature of 25°c?
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Astudent growing a crystal finds that the mass of the crystal decreased from one day to the next day...
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