Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Provide the list of some properties that could be used to construct the diagnostic tests to find out the type of solute in each of the following solutions:
Determine the equation for the formation of the first tripe tide and the second tripe tide. Determine the order of amino acids using symbols for the first tripe tide and the second tripe tide.
Determine the molarity of 0.60 L of HCl is necessary to titrate the 0.58 L of 0.89 M NaOH so that all the OH- is neutralized? Provide your answer with two significant figures.
Estimate the oxidizing agent HNO3, H2S, S, NO ,H2O ?Estimate the oxidation state for nitrogen in this compound NOCl?Estimate the oxidation state for bromine in this moleculeHBrO2?
Exactly 100 mL of 0.10 M nitrous acid (HNO2) are titrated with a 0.10 M NaOH solution. Measured the pH for (a) the initial solution, (b) the point at which 80 mL of the base has been added, (c) the
A solution which is having 25.0 ml 0.112 M Fe2+ is titrated with the 0.0258 M KMnO4. Suppose [H+] = 1.0 M and is constant. Determine Ecell at the eq. pt. The reference electrode is SHE by us
Discuss why is an additional10mL of water evaporated from the solution, in the preparation of aluminum alum, if crystals should not form upon cooling the solution of alum.
Determine a salt that would not affect the pH of water and what salt would lower the pH of water? What salt would increase the pH of water?
The resulting Na2 C 2O4 precipitate was filtered and dissolved in the dilute H2SO4 .This solution needed 2.05 mL of 4.88 X10-4 M KMnO4 to reach the end point.
A balloon which is having 5.41 dm3 of helium, He at the 24o C and 101.5 kPa. Assume the gas in the balloon is heated to 35o C. If the He gas is now 102.8 kPa, estimate the new volume of
Determine the numbers of square kilometers of ocean will be covered by the 1 barrel of oil? If the 1barrel is equal to 31.5 gallons and the oil creates a film of 100nm thick on water.
4 NH3 (g) + 5 O2 (g) yields 4 NO (g) + 6H2O (g). Determine the Heat of Reaction values:NH3 (g) = -45.9kJ; O2 (g) = 0 kJ; NO (g) =90.3 kJ; H2O (g) = -241.8 kJ
A propellant for rockets is obtained by mixing dinitrogentetroxide N2O4 and the liquids hydrazine N2 H4. These components react to give water vapor and nitrogen gas N2, evolving 1049 kJ of heat a
Determine the age of a rock whose 40Ar/40Kratio is 1.25?(The half-life of 40K is 1.28 109years.) and calculate the age of a rock whose 40Ar/40Kratio is 1.25 where the half-life of 40K
Suppose you perform an acid-base titration to standardize an HCL solution by placing the 50.00 mL of HCL in a flask with a few drops of indicator solution and you put 0.1523 M NaOH into the buret an
Discuss what would be the product of a Grignard reagent with an acid chloride such as the acetyl chloride? Determine the numbers of moles of the Grignard would react per mol of acid halide?
A microwave oven operating at the 1.22 x108 nm is used to heat 150 mL of water (roughly the volume of a tea cup) from the 20 degrees Celsius to 100degrees Celsius.
When the magnesium metal is burned in the air, it produces two products A and B. A reacts with the water to produce a basic solution and B reacts with the water to produce a similar solution as that
Discuss what group of elements in the periodic table is made up entirely of elements that are gases at the room temperature? Determine the name of this group of gases?
Describe in words how the circle is traced out, including when and where the particles is moving clockwise and when and where the particle is moving counterclockwise. Give parameterizations of the
Estimate the molarity of HClO4 when the 15.34ml of .2345 M NaOH is needed to reach the equivalence point for the titration of 10 ml sample of HCLO4?
Determine the binding energy (in MeV/nucleon) for the following nuclides: Copper-63 ( which is having the atomic mass = 62.93960 amu)
A buffer contains 0.1500 M KNO2 and 0.2000 M of HNO2. Describe the pH after the 0.0020 mol of HCL is added to the 250 ml of this solution.(Assume there are no volume changes when the acid is added.
100.0 ml of a buffer consists of the 0.20 M NH3 and 0.01 M NH4Cl (pKb of NH3=4.75) Determine the change in pH of the solution after the 25.0 ml of 0.10 M of HI has been added?
Explain how would you prepare 150.0 ml of a buffer having a pH of 7.05 using solid sodium hydrogen phosphate and solid sodium dihydrogenphospate?