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Problem- A 0.170-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium?
Assume the formation constant* of Ni(NH3)62 is 5.5 X 10^8.
Solve the questions given above in detail thus I will get good grades in exams
a sample of 1.42 g of helium and an unweighed quantity of oxygen are mixed in a flask at room temperature. the partial
a 0.4400-g sample of impure caoh2 is dissolved inenough water to make 43.90 ml of solution. 20.00 ml of theresulting
The weathering of pyrite (FeS2) in coal mines and in metal sulfide ore deposits can be represented by the following reaction
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
For the following reaction, Kc = 0.513 at 500 K . N2O4(g) 2NO2 (g)
Develop an argument based on bond enthalpies for the importance of SiO bonds in substances common in the Earth's crust in preference to SiSi or SiH bonds
Question- How many ml of a 0.425 M aqueous solution of potassium sulfite will contain 1.5 * 10^23 potassium ions
The value of Kp for the reaction below is 0.090 at 25 Celsius. Primarily, H2O(g) as well as Cl2(g) are combined at partial pressures of 1.00atm and 2.00 atm. H2O(g)+Cl2O(g) 2HOCl(g)
how many liters of ethane measured at 15.0 degrees celsius and 719 torr must be burned to liberate 2.89 x 104 kj of
Question- Ben weighs out 15.6 g of salicylic acid in a 250 mL flask and adds 9.0 mL of acetic anhydride (density=1.080 g/mL) . Determine the maximum (theoretical) number of grams of acetylsalicylic acid he can prepare.
diffraction studies of crystals depend on interferences between planes of electron density whose spacing must be
Question- Can anyone draw the mechanism starting from diethyl adipate then adding NaOEt to form ethyl cyclopentanone-2-carboxylate? Draw with curved arrows and draw lone pairs.
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