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A nurse measures the volume of a drop of medicine. The volume of 1 drop of medicine is 1.86 mL. What is the volume in deciliters of 1000 drops of medicine? Write answer as a decimal.
If the formation of magnesium nitride is not taken into account and the gray residue after the initial heating is assumed to be wholly magnesium oxide, the experiment would take mush less time.
Suppose that 50.0g of Zinc and 50.0g of Iodine are used to form Zinc (II) Iodide. Answer the following questions: (A) What is the limiting reagent?
What are non-standard protein amino acids? How are they incorporated into proteins? What are the functions of non-protein amino acids
Consider the titration of a 50.0 mL of a .133 M NH3 (a weak base with Kb = 1.76 x 10^-5) with a 0.223 M HCl (a strong acid).
A 50.0 ml sample of 0.100 M HBrO. (Ka for HBrO = 2.3 x10^-9) is titrated with 0.200 M KOH. Calculate the pH of the solution when 10.00 ml of 0.200 M KOH has been added.
the rate constant for the second order -reaction is NOBr(g)------>NO(g)+1/2Br2(g) is 48 L/mol*min at a certian temperture. How long will it take for 90.0% of a .0200M solution of NOBr to decompose
Zinc may be directly leached from zinc-lead sulphide concentrates by reaction with sulphuric PbS(s) + H2SO4 + 1 O2(g) → PbSO4(solid) + S° + H2O 21
By what factor does the fraction of collisions with energy equal to or greater than activation energy of 100kJ/mol change if the temperature increases from 19.0 c to 50.0 c ? Give in scientific notation.
Propose three key areas where you would focus the municipal program and give your reasons for your proposals.
The specific rotation of a compound is defined as the observed rotation of the compound when its concentration is 1 g/mL in a sample tube which is 10 cm long. If a certain compound is observed to have a specific rotation of +8.0°
the half-cell tl tl1 mol l-1 is connected to a pt h h21 atm half-cell in which the concentration of h is unknown.
The complete combustion of liquid benzene is represented by the equation:
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