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Describe an experiment using only hot and cold water that would enable you to verify that the heat capacity of your coffee-cup calorimeter is about 1.0x 10 1J/degrees C. Be specific?
draw structures for p-bromoaniline, 3,5 dimethylbenzoic acid, p-chlorobenzaldehyde and 1-phenyl-3-methylpentane
How many litersof hydrogen gas will be produced by the decomposition of 90 L of water
Calculate the mass of sodium hydroxide that must be added to 1.00 L of 1.00 M HC2H3O2 to double the pH of the solution (assume that the added NaOH does not change the volume of the solution)
20.0 mL of a 0.10M weak acid (Ka= 1.56X10^-6) is titrated with a 0.20M strong base. a. What is the pH initially, before any titrant is added
Consider a solution formed by mixing 60.0 mL of 0.100 M H2SO4, 30.0 mL 0.100M HOCl, 25.0 mL 0.180M NaOH and 25.0 mL 0.100 M Ba(OH)2. Calculate the pH of this solution
multiple choice questions in nuclear reactions.1. to make nuclear fission more efficient which device is used in a
Which of the following is true of the individual resonance structures which contribute to a resonance hybrid? a) each resonance structure actually exists b) each resonance structure is more stable than is the resonance hybrid c) in going from one ..
The formula Co(NH3)5CO3Cl could represent a carbonate or a chloride: write the two formulas, draw the two structures and name them
Ammonia reacts with diatomic oxygen to form nitric oxide and watervapor. When 40.0g of ammonia and 50.0 g of oxygen are mixed and allowed to react, which is the limiting reagant? 4NH3 +5O2--> 4NO + 6H2O
Describe the reactant and products of the chemical reaction. Was the reactant (potato chip) completely consumed? What evidence supports your answer?
A lactic acid/lactate ion buffer solution contains 0.31 M HC3H5O3 and 0.90 M C3H5O3-, respectively. The Ka value of lactic acid is 1.4x10^-4. Calculate the pH of this buffer.
How much limestone in kilograms is required to completely neutralize a 4.2×109L lake with a pH} of 5.6
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