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A sample of 100.0 mL of 0.10 M Ammonia NH3 is titrated with HNO3 of 0.10 M. find out the pH of the solution after adding 100.0 mL of Nitric acid HNO3. If Kb of Ammonia NH3 =1.8 × 10-5.
A functional group is an atom or group of atoms that determines the compound's characteristics. For each of the given compounds a) CH3CH2 - O - CH2CH2CH2CH3 b) CH3CH2CH CH2CH2OHICH3c) CH3 - C - CH2CH2CH2CH3 II :
1) give an acceptable name;
2) identify the functional group; and
3) discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know.
Critical constants of a gas with van der Waals parameters, Estimate the critical constants of a gas with van der Waals parameters
A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.05% carbon dioxide, and 0.930% argon by volume. How many molecules of each gas are present in 1.00 L of the sample at 31 degrees C and 1.00 atm?
A horse of mass 218 kg pulls a cart of mass 238 kg.The acceleration of gravity is 9.8 m/s2 .What is the largest acceleration the horse can give if the coefficient of static friction between the horse's hooves and the road is 0.842.
The compound lead acetate is a strong electrolyte. Write the reaction when lead acetate is put into water: Make sure to include positive or negative and whether or not each one is (s) (l) or (aq)
treatment of .25g sample of impure potassium chloride with excess AgNO3 resulted in formation of .2912g AgCl. Calculate the % of KCl in the sample.
As the liquid vaporizes the plunger is pushed out. At equilibrium, the plunger reads 6.51 mL of gas. Atmospheric pressure is 740. mmHg. What is the approximate molar mass of the compound (in g/mol)?
find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750ml of .125M NaF. Ksp for CaF2 is 3.95x10^-11
"Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH
Calculate the freezing point of a 2 molal solution of a nonelectrolyte glucose. feezing point constant for water being 1.86 C/molal
The other criterion is very basic and relates to whether simple or fractional is selected
A sample of neon is collected at 2.7 atm and 12.0 C. it has a volume of 2.25L.What would be the volume of this gas at STP?
Endorphins: What Are They and How Do They Work?, Describe in brief the chemistry and biology of the feel-good chemical, endorphins. Also explain why the name feel good
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