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How do you calculate enthalpy neutralization when you are given a situation where a coffee cup calorimeter, 50.0 ml of 1.00M NaOH and 50.0 ml of 1.00M HCl are mixed. Both the solutions were originally at 24.6?C. After the reaction, the final temperature is 31.3? C. Given that the density of NaCl solution is 1.038 g/ml and the specific heat of NaCl solution is 3.87 (J.g.?1.?C?1), The assumption is the that no heat is lost to the surroundings.
Carbon is a fascinating element that is capable of forming four covalent bonds.
If, at 10°C the vapour pressure of this solution is also 9.145 torr. Calculate the molar mass of this volatile solute.
Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose
What is the pH of a 0.75 M NaOH solution at 60°C. The equilibrium constant Kw for water at 60°C (333 K) is 9.60 x 10E-14.
Calculate the pH in a solution prepared by dissolving 0.10 mol of solid NH4Cl in .500 L of 0.40 M NH3. Assume that there is no volume change.
A compressed nitrogen cylinder from Praxair has a volume of 43.0L and a maximum pressure of 2265 psi. Assuming that the temperature is 293K
The following are some typical solvents used for recrystallization and dissolution of various organic compounds. Give their structures (line drawings are acceptable) and their boiling points.
Conversion of 0.90 g of liquid water to steam at 100 degrees Celsius requires 2.0 kJ of heat. Calculate the molar enthalpy of evaporation of water at 100 degrees Celsius.
The solubility of PbS in water is 7.0 x 10 ^-29mol/L. Will its solubility increase or decrease in a solution that has a pH of 9.4
A solution consists of 360g of sucrose and 144g of water. Assume that the solution follows Raoult's law and that the vapor pressure of sucrose is negligible. The normal boiling point of water at atmospheric pressure is 100C. The molecular weight o..
When enalaprilat is present at 2.4 nM, the activity of ACE in plasma is 10% of its uninhibited activity.- What is the value of KI for enalaprilat?
Which one of these, E1, addition of H-X to alkenes, SN2, SN1, or acid catalyzed hydration of alkenes, does not have a reactive intermediate carbocation and why
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