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Normlality, Give me answer of this question. The normality of 10% (weight/volume) acetic acid is: (a)1 N (b)10 N (c)1.7 N (d) 0.83 N
Briefly exapain the consequences of molecuar symmetry, 1)Briefly explain the consequences of molecuar symmetry 2)explain resonance in molecules 3)using resonance explain the structures of (a)nitrome
Briefly write about the androecun and gynocium, briefly write about the androecun and gynocium briefly write about the androecun and gynocium briefly write about the androecun and gynocium
Vapour pressure curve, in vapour pressure and composition curves liquid curve is on the top and vapour curve is at the bottom why
Starting with one bacterium and assuming that bacteria can grow optimally how long would it take to grow enough bacteria to reach from the Earth to the Sun because some bacteria can grow very quickl
An open vessel which is having the water, benzene, and mercury stands in a laboratory measuring 6.0m x 5.3m x3.2m at 25 degrees. Explain what mass of each substance will be found in the air if ther
What is the enthalpy of vaporization of pyridine when the vapour pressure of pyridine is 50.0kPa at 365.7K and the normal boiling point is 388.4 K?
A 1.803 g sample of gypsum, a hydrated salt of calcium sulfate, CaSo4, is heated in a crucible until a constant mass is reached which is having the mass of the anhydrous CaSO4 salt is 1.426g.
Which category would have the largest number of entries if you classify everything around you as an element, a compound, or a mixture?
The combustion of 0.6654 g of an organic compound with a molecular mass of 46.07 amu causes the temperature in the calorimeter to rise from 25.000oC to 30.589 oC in a constant volume bomb calor
At 400degrees C 2.5mol NOCl was placed in a 2.50L reaction vessel. After equilibrium was established, it was found that 28%of the NOCl had dissociated according to the equation 2NOCl(g)↔ 2NO(g)
Determine the ph of the solution made by dissolving the 25.0 mg of morphine in 100. mL of water at 25 degrees C? (For Morphine, Kb= 1.62 x10-6.) Morphine, C17H19NO3, is often used to control severe
Suppose you are going to the lab to react one mole of chlorine with one mole of 2-methylpropane through a radical reaction.Illustrate the structural formulas of the two monochlorinated isomers that wi
To find the formula of a compound composed of carbon monoxide, and iron Fex(CO)y, the compound is burned in pure oxygen, an reaction that proceeds according to the following unbalanced equation.
Determine how many moles of ions are present in aqueous solutions prepared by dissolving the 10.0g of the following compounds in water to make 4.35 L of solution?
Calculate how many milliliters of this prepared solution are required to furnish .5000 mol of aluminum nitrate to a reaction?
Determine the number of mg of Mn2+ left unprecipitated in 100 mL of a 0.1000M solution of MnSO4 to which enough Na2S has been added to make the final sulfide ion (S2-)concentration equal to
Starting from pure H2S introduced into an evacuated vessel at 1065 degrees C, explain what will the total pressure in the vessel be at equilibrium if the equilibrated mixture contains 0.300 atm of H
Explain what mass of sodium format (HCOON a) must be added to the 350.mlof water at 25 degrees C in order to obtain a solution having a pH of 8.50?
A solution contains10-3 M total carbonates. No weak acids or weak bases are present other than the carbonate species, and no other anions and cations are present. Assuming a closed system,
Identify the C-H stretching modes for C5H5-1. (Hint: After determining the point group of the molecule, determine the reducible representation for the C-H bonds only by performing the symmetry oper
At 25degrees C a sealed can with an internal pressure of 721 mmHg is thrown into an incinerator operating at the 755 degrees C. Explain what will be the pressure inside the heated can, assuming the
Determine the molar concentration of chloride ions in a solution prepared by mixing the 100mL of 2.0 M KCL with 50 L of a 1.5 MCaCl2 solution?
Determine the percentage by mass of vinegar that is acetic acid? When 25g of vinegar (a solution containing acetic acid) was added to a flask which is having an indicator. 37ml of .46M KOH solution
A solid sample which is having some Fe2+ ion weighs 1.062g. It requires the 24.12 mL 0.01562 M KMnO4 to titrate the Fe2+ in the dissolved sample to a pink endpoint.