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Problem- How would you prepare 90.0 mL of 0.800 M HNO3 from a stock solution of 4.00 M HNO3? What volume (in mL) of the 4.00 M HNO3 solution will you need?
Solve the above problem and provide steps with explanation
Then transfer 1 mL of tube # 1 to tube # 2 and mix well. 1 mL of the contents of tube # 2 is then transferred to tube # 3, and the procedure is repeated for the remaining tubes. What is the molar concentration of protein in tube # 5? Show your ans..
he uses the combustion of natural gas which is exothermic to heat the water how much natural gas will he need to burn?
For a second-order rxn: 2A ? B Given: [Ao] = 0.650 M and at 45 seconds [A] = 0.1.15 M. What would be the rxn rate when [A] = 0.297 M
Compute the final pressure in the tank if nothing else is altered in the surroundings. (The two gases do not react)
What is the final temperature (in °C) of 1.53 g of water with an initial temperature of 12.0°C after 7.478 J of heat is added to it?
Sulfuric acid is added to potassium permanganate. Then hydrogen peroxide is added. Identify the product. Complete the redox reaction and balance it under acidic conditions.
Dissolve the appropiate amount of HEPES (sodium salt) (formula weight is 260.31) in water to an approxiamte volume of 60 mL in a 150 mL beaker that is equipped with a stirring bar.
One mole of an ideal gas in contact with a heat reservoir at 25C expands isothermally from 100atm to 1atm pressure. Determine delta S for the gas for the heat reservoir as well as for the two systems combined, if in the expansion
When solutions containing silver and chloride ions are mixed, silver chloride precipitates: Ag+ (aq) plus Cl- (aq) ---> AgCl(s)
What is the partial pressure of each gas and total pressure of the mixture of gaases, in atmospheres, in the container?
what is the mass of a rectangular piece of copper 24.4 cm x 11.4 cm x 6.6 cm? The density of copper is 8.92 g/cm^3.
in a patient with insulin-dpendent diabetes mellitus who forgot to administer insulin, you would expect to see all of the following after a high sugar meal except
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