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Question- A ring that is gold in color has a mass of 31.26 g. When the ring is placed into a beaker which already contains 200. mL of water, the water level rises 2.53 mL. If the density of pure gold is 19.3 g/mL,
a) Is the ring made of pure gold? Why or why not?
b) What is the specific gravity of the ring?
I have no idea how to do this! Thank you for your help!
At 700 Kelvin the Kp=54 for H2 + I2 > 2HI and Kp=1.04E-4 for N2 + 3H2 > 2NH3. Determine the Kp for reaction 2NH3 + 3I2 > 6HI + N2 at 700 Kelvin.
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research recently reported the first optical atomic trap. in this device beams of laser light replace the physical
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