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Explain the term and provide examples of Weingarten rights?
Problem- What mass of ammonium chloride should be added to 2.65 L of a 0.15M NH3 in order to obtain a buffer with a pH of 9.55
Determine the masses of CO2 and H2O produced by the combustion of 0.986 g of a compound with empirical formula C3H6O2.
Determine the enthalpy change if The heat released when 24.9 grams of Potassium K reacts with excess H2O water is 124 kilo joules?
energy in amount of 433 j is added to a 80 g sample of water at temperature of 27 degrees celsius. what will be the
In a calibration of a calorimeter, 50.0 g of water at 60.0 degrees C is added to 50.0 g of water at 20.0 degrees C to give a mixture 39 degrees C. What is the heat capacity of the calorimeter used in this experiment
Why is it when ClF + KBr ----> KCl + KF + Br2 . Can someone help me why I will get KCl, KF and Br2 in terms of redox reaction?
Toluene (C6H5CH3) is a liquid compound similar to benzene (C6H6). Calculate the mole fraction of toluene in the solution that contains 132 g toluene and 115 g benzene.
Draw a symbolic diagram of a set of Carnot engines with the following characteristics:- Show that the temperature intervals between which these engines operate are all equal.
the following shows the connectivity of atoms only. Atoms other than carbon and hydrogen are labeled. how many degree of unsaturation are pressent in the compound. chose one of the following answers
Calculate the pH of each of the following solutions containing two solutes in the concentrations indicated. (a) 0.50 M HOAc (acetic acid), 0.5 M NaOAc (sodium acetate); Ka = 1.8 x 10-5
You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions:
nicotine a component of tobacco is composed of c h and n. a 12.075 mg sample of nicotine was combusted producing 32.757
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