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Paracetamol is similar to asprin in that p-aminophenol is reacted with acetic anhydride and yet the amino group is acylated and not the hydroxy group. Why?
1.925 g of methanol is burned in a bond calorimeter with a heat capacity of 10.4 kj/c .how much heat is given off in kj/g if the temperature increase 4.19 c
Calculate the pH after 0.15 mol of NaOH is added to 1.00 L of 0.60 M HF and 1.01 M KF.
A gaseous fuel mixture stored at 752 mmHg and 298 K contains only methane and propane . When 11.6L of this fuel mixture is burned, it produces 767kJ of heat.
The enthalpy of fusion of ethanol is 5.02 kJ/mol, and its enthalpy of vaporization is 38.56 kJ/mol.
sulfur dioxide dichloride so2cl2 reacts with water to give a mixture of sulfuric acid and hydrochloric acid. a pure
consider the decomposition of ammonium chloride at a certain temperature.nh4cls nh3g hclgcalculate the equilibrium
The following molecular equation represents the reaction that occurs when aqueous solutions of silver nitrate and aluminum chloride are combined.
A student dissolves 1.01 grams of nicotinic acid, C_6_H_5_NO_2_, in water to give 60 mL of solution having a pH of 2.67. What is the approximate value of Ka for the acid based on this observation?
A mixture of butene and butane burn in the air to give CO2 and H2O.suppose u burn 2.86g of the mixture and obtain 8.80g of CO2 and 4.14g of H2O.
The resulting solution is then titrated with 0.1041 M sodium hydroxide, and 12.39 mL of the sodium hydroxide solution are needed to reach a phenolphthalein end point.
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, calculate the partial pressure of the resulting H2(g) in a flask with V = 140.612 mL at 23.5?C.
Complete the reaction mechanism below for the first two steps of the dehydration of 2,3-dimethylpentan-2-ol.
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