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The acceleration due to gravity on the moon is about one sixth the gravitational acceleration near the earths surface. If a rock is transported from earth to the moon, will either its mass or its weight change in the process.
1what happens when chlorosulfonic acid comes in contact with water?2how will you safely destroy any residual of
When 1.550 g of liquid hexane (C6H14) undergoes combustion in a bomb calorimeter, the temperature rises from 25.87 ºC to 38.13 ºC. Find ?E rxn for the reaction in kJ/mol hexane. The heat capacity of the bomb calorimeter, determined in a separate e..
You have prepared a saturated solution of at 20 degree celcius using 31.0 of water. How much more solute can be dissolved if the temperature is increased to 30 degree celcius.
The half-life of mercury-197 is 64.1 hours. A. If a patient undergoing a kidney scan is given 5.0 ng of mercury-197, how much will remain after 7 days? B. After 33 days
A mixture contains H2 at 325 torr pressure, N2 at 475 torr pressure, and O2 at 650 torr pressure. What is the total pressure of the gases in the system
What if any experimental evidence do you have that the equilibrium is affected by the addition of concentrated HCL? Explain Are your observation and explanation in A consistent with Le Chatelier's Principle? Explain
the specific heat of an unknown metal is found to be 0.233 j kg. The law of dulong and petit predicts a molar heat capacity of J/K mol. Use this law to estimate the molar mass of the element.
Two liquids, and , have vapor pressures at a given temperature of 24 and 36 , respectively. We prepare solutions of and at a given temperature and measure the total pressures above the solutions. We obtain the following data
Tropylium cation satisfies the 4n + 2 rule. What do you think might occur of trityl fluoroborate was placed into solution with 1,3,5-cycloheptatriene(also known as Tropylium Fluoroborate)
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.120 M HCIO (aq) with 0.120M KOH (aq)
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3.at this temperature, 0.400 mol of H2 and 0.400 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium
A hydrogen atom initially in the n=7 quantum state emits a photon having a wavelength of 2.16495E-6 m. What is the quantum number of the final state of the atom?
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