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Oftern solutions can be hazardous in ways that are not necessarily related to ther acidity of basicity. Briefly comment on the hazards that you need to be aware ofwhen working with:
1). 0.01M HNO3
2). 0.1M NH3/H2O
The hydrogen gas formed in a chemical reaction is collected over water at 30 at a total pressure of 737. What is the partial pressure of the hydrogen gas collected in this way
When using M1 x V1 = M2 x V2 to calculate any concentration or volume, what must one remember with regards to glassware when recording / using volumes
Some wastewater has a BOD5 of 150 mg/L at 20 degrees Centigrade. The reaction rate k at that temperature has been determined to be 0.23/day.
the wavelength of light emitted when the electron returns to the ground state from n=3 will be the same as the wavelength of light absorbed to go from n=1 to n=3
The total volume of seawater is 1.5 x 10^21 L. Assume that seawater contains 3.1 percent of sodium chloride by mass and that its density is 1.03 g/ml. Calculate the total mass of sodium chloride in kilograms and in tons.
Calculate the vapor pressure of water at 35 degrees Celsius given delta Hvap= 44.0 kJ/mol and the vapor pressure of water at 25 degrees Celsius is 23.8 torr
Aspirin c9h804 is produced from salicyclic acid,c7h6o3 and acetic anhydride,c4h6o3.what quantity of pure c7h6o3 would be needed to manufacture 1500 metric tonnes of aspirin..th yield for this process is 91%+
The volume of each glass was 250mL. How much heat, in kJ, did the body have to supply to raise the temperature of the water to body temperature (37 C)?
One mole of an ideal gas expands reversibly and adiabatically from an initial temperature of 35.0 degrees C and a volume of 10.0 L to a final volume of 40.0 L. Calculate the final temperature, the final pressure, delta U and w. Assume Cp = 20.28 J..
Calculate the activities and the activity coefficients for a chloroform-acetone solution in which Xa=0.6. the vapour pressure of pure chloroform at 50c is Pc* = 98.6 kpa and the vapor pressure for chloroform above the solution is Pc=53.3 kpa
What are the commonalities/general concepts/theme of metabolism. Please give as many as you can and specifics. For example, "regulation" which includes allosteric, feed forward, feed backward
Write a balanced chemical equation for the reaction between MnO4- and I - in basic solution. The skeleton ionic reaction is given below. MnO4-(aq) + I -(aq) MnO42-(aq) + IO3-(aq)
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