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Question- A volume of 30.0mL of a 0.470M HNO3 solution is titrated with 0.830M KOH. Calculate the volume of KOH required to reach the equivalence point.
I am not able to get the correct answer please help me
Problem- In a Photoelectric Effect experiment, the threshold energy needed to eject an electron from chromium is 7.21 x 10-19 J. Light having a wavelength of 2.50x10-7m falls on a piece of chromium in an evacuated glass tube. a) Determine the mini..
How many different aldols (b-hydroxyaldehydes), including constitutional isomers and stereoisomers, are formed upon treatment of butanal with base?
in a bromine-producing plant how many liters of gaseous elemental bromine at 300 degrees celcius and 0.855 atm are
If you combine equal volumes of the following solutions, which combinations will result in the desired buffer? Why are the answers are 0.20 M CH3CO2H + 0.10 M NaOH and 0.20 M Na(CH3CO2) + 0.10 M HCl
what are the concentrations of [NAD+] and [NADH] in the cells? Under oxidative stress condition, the cellular redox potential is shifted to -290 mV. What will be the concentrations of [NAD+] and [NADH] in this cell under this oxidative stress cond..
Oxygen gas is collected by water displacement from the reaction of sodium peroxide and water. The oxygen gas displaces 318 ml of water at 23 degrees C and 1 atm. What is the pressure of the dry oxygen gas?
An automobile tire has a maximum rating of 38 psi (gauge pressure). The tire is inflated (while cold) to a volume of 11.8L and a gauge pressure of 36.0 psi at a temperature of 12.0C. While driving on a hot day, the tire warms to 65.0C and its volu..
write the half reaction for oxidation of n-butanol. (d) Calculate Eo' at 25.0 oC for the n-butanol half reaction in (c) above
if water is added to magnesium nitride ammonia gas is produced when the mixture is heated. if 10.3 g of magnesium
Ten kg of steam at 500 bar is expanded at constant pressure until its pressure increases to seven times its initial value of 0.01 m^3. (a) Determine the initial and final temperature of the steam. (b) Calculate the heat that must be supplied to ca..
Circles, blocks, and triangles represent atoms.
The enthalopy of cumbustion benzoic acid C6H5COOh is commonly used as the standered for calibrating constant volume bomb calorimeters.
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