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Determine the mass of Hg3PO4 formed?Determine the molarity of the un-reacted species HgNO3 or Na3PO4 after the reaction is complete?
Explain how can you tell which compound is a stronger acid just by looking at the structure? Also, how do you know which is the most reactive nucleophile in a SN2 reaction?
Calculate the boiling point and the heat of vaporization of helium. The vapor pressure of helium is 200 torr at 3.07 degree Kelvin and 500 torr at 3.81 degree Kelvin.
Determine the relationship between melting point, vapor pressure, and the boiling point. IN the sense that does it mean that a substance with a low melting point will have a high boiling point and
Discuss how NH3 and HCl fit the definition of an acid and abase respectively, according to the Discuss how water satisfies the requirements of both a Bronsted-lowry acid and a Bronsted-lowry base.
The ends of three balloons, containing .6 g, 1.2 g, and 2.4 g of magnesium ribbon, are stretched over the mouth of the three flasks. 100mL of Hydrochloric acid solution is added to three flasks.&nbs
Determine the pH of a buffer solution prepared by dissolving the 0.15mole benzoic acid, C6H5COOH, and 0.45 mole of sodium benzoate, C6H5COONa, in enough water to make the 400 mL of solution?
At -20 degrees C the 100g of ice is dropped into a liter of 100 degrees C of water. At what temperature does the water end up? Can anyone explain how to do this problem?
Determine the titration between 25.00ml of 1.00 x10-2 M solution of hydroxyl acetate with 1.50 x10-2 M solution of KOH. Determine the pH for 0.00ml and 2.00ml of base added.
Assume a 15.67g sample of green leaves that contain oxalic acid needs 23.45 mL of 0.0250 M KMnO4 for titration to the equivalence point. Determine the weight percent of oxalic acid in the leaves?
Determine the molarity of this glycerol solution. (Molar Mass: 92.093g/mol) Exactly 250.0ml of glycerol solution was prepared by dissolving the 27.5 ml of glycerol (CH2OHCHOHCH2OH), density at 25.0
The molar volume of liquid methanol is 36.16ml. The normal melting point of 175.47 degree Kelvin is raised to 176.61 degree Kelvin under a pressure of 100atm.
Determine the amount of heat required to change the 25.0 g ice at-15.0ºC to steam at the 100ºC. (Some constants for H2O: Heat of fusion = 333 J/g; Heat of vaporization = 2260 J/g;
Determine how many grams of water can be melted by the 25.0 kJ of heat? The molar enthalpy of fusion (melting), DHfus, for water is 6.01kJ/mol.
Calculate the value of the Arrheniuspre-exponential if k = 4520 M-1 s-1 at 770 K? An Arrhenius plot (ln k vs. 1/T) for a second order reaction (2A -> C) formed a straight line with a sl
A triglyceride is reacted with NaOH to produce a carboxylic acid salt (the soap) and glycerol Lard, mostly made of trioleic acid (TOA) is used with Lye (NaOH) in homemade variations. Saponification
Determine the grams of N2(g) formed given 32 gN2H4(g) and 23 gN2O4(l) to start and assuming the reaction goes to completion.
Determine how many carbon atoms are present in 1 carbon soot ball when the density of a carbon soot ball is 2.5 g/cm3. The volume of a carbon soot ball is 8.0×10-18 m3.
Determine the charge found at each end of this dipole molecule. The bond length in HI is 1.61 angstroms. The dipole moment of the molecule is .44 debeyes. 1 debeye= 3.34 x 10^-30 C-m.
Consider the following titration among 25.00 ml of 1.00 x 10-2 M solution of hydroxyl acetic acid with a 1.50 x 10-2 M solution of KOH. Determine the pH for 2.00mlof base added.
Determine the initial temperature (degrees Celsius) of a system that has the pressure decreased by 10 times while the volume increased by the 5 times with a final temperature of 150K?
A mixture of 30.0 g of CH3OH and 45.0 g of C2H5OH is prepared (and assumed to behave as an ideal solution). The vapor pressure of C2H5OH at 20*C is 44 mmHg, and the vapor pressure of CH3OH a same te
Clone the human insulin gene for expression in E.coliBL21. Look at the DNA and mRNA sequence of insulin. The insulin gene will be under the control of a lacI repressor.
Determine the equilibrium concentrations of CO and CH4 ? If the equilibrium steam pressure was found to be 32.0atm and Ke= 1.00 X 102.
Discuss what really going on with the delocalized pi bonding when looking at the resonance structures for CO3 what is wrong with your Lewis structures when it comes to empirical evidence?