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Calculate the rms (average) speed of N2O atoms or molecules at 125 degrees Celsius. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant.
Design an experiment to determine the density of irregular shaped object. a. Include an introduction describing the calculations that will need to be made.
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 80.0 mL of 0.529 M HCl and 46.0 mL of 1.150 M NaOH? pH = What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 51.0 mL of 0.0401 M NaOH
Calculate the molar mass of the unknown. Assume that the molal freezing point depression constant of water is 1.86°C•kg/mol and that the freezing point of water is 0.00°C. Please show all calculations in solving the problem
Express your answer in condensed form in order of increasing orbital energy. Write out the electron configurations for:
A 2059-kg elevator moves with an upward acceleration of 2.0 m/s2. What is the tension in the cable that supports the elevator
oxidation of nh3yields nitric oxide no and the reaction is represented by the equation 4nh3 5o2 --gt 4no 6h2o.
When 34.2 mL of a 1.02 M NaOH solution is added from a burette to 25.00 mL of a phosphoric acid solution that contains phenolphthalein which caused the solution to change from colorless to red at a certain pH, what is the molarity of the phosphori..
A concentrated solution is 68% nitric acid in water and has density of 1.39 g/ml. How many mL of this nitric solution will completely and exactly react with 143g of cu metal
Freshly cut garlic contains allicin, a compound responsible for the true garlic odor. Propose a short synthesis of allicin, starting with 3-chloropropene.
During an experiment, you will be required to prepare 100 mL of a 1.0 M solution of NaNO3. Calculate the mass of NaNO3 (to the nearest tenth of a gram) that will be required.
If Delta H = -60.0 kJ and Delta S = -0.200 kJ/K, the reaction is spontaneous below a certain temperature. Calculate that temperature
how many millileters of a 0.225 M HCL solution are needed to neutralize 259 mL of a 0.0309 M Ba(OH)2 solution.
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