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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.
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
How many gms of H2O must be combined to 519.5 gms of methanol at 20°C to have an osmotic pressure of 408 mm of Hg? Methanol density = 0.8921 g/mL.
Describe the process design and application - Water and Wastewater Treatment
Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
Calculate the molecular weight of this gas if A sample of gas weighs 0.250 g and occupies a volume of 112 cm3 at STP?
Explain why it takes longer time when anyone cook an egg in boiling water while camping at in elevation of 0.5km in the mountain than it does it home.
Calculate approximately the value for the heat of sublimation of methane and calculate the pH for this solution
Explain what health risks may arise people use this hot water in the preparation and cooking and what is the equilibrium constant for this reaction
What volume of Maker's Mark was consumed if the individual was drinking Maker's Mark (130 proof),?
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