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Explain what is the height of a column of liquid in a barometer if the density of the liquid is 1.076 g/mL as well as the local atmospheric pressure is 0.87 bar?
One piece of copper jewelry at 108 degrees Celsius has exactly twice the mass of another piece, which is at 44 degrees Celsius. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the..
Calculate the theoretical amount of 2.5 M NaOH (10%) solution needed to convert the benzoic acid to its water-soluble salt. Is the combined volume of NaOH used in the extractions sufficient for complete deprotonation of benzoic acid
calculate the vapor pressure of an aqueous solution at 30 degrees C made from 100 g of sucrose (C12H22O11) and 100g of water
aqueous solutions of nickel ii sulfate and potassium ferricyanide were mixed in a test tube. determine the folowing a
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions.
what is the value for deltaS if 20g of a substance (MW=78.0g/mol) is boiled at 50 degrees C
What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 41celsius, V1= 1770 L) to a volume of 3540 L ? Assume no change in pressure or the amount of gas in the balloon.
A 0.955 gram sample of immunoglobulin G is dissolved in water to make 0.182 L of solution, and the osmotic pressure of the solution at 25C is found to be 0.867 mbar. Calculate the molecular mass of immunoglobulin G.
what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen , 7.49 mol of nitrogen and 1.19 mol of carbon dioxide when the total pressure is 563 mmHg?
water consistent with this oversimplified approach? Explain your answer ( note that there is a threshold temperature below which this approach will have a significant error)
Which solution should be the most acidic? 1) Zn(NO3)2(aq) 2) Cd(NO3)2(aq) 3) Ga(NO3)3 (aq) 4) Hg(NO3)2(aq) 5) Al(NO3)3(aq)
A bicycle tire is filled with air to a pressure of 95.0 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What..
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