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What is the balanced equation of Sodium chloride and dimercury i nitrate participate in a double replacement reaction? Does it occur?
When 1.3584 g of sodium acetate trihydrate was mixed into 100.0 cm3 of 0.2000 M HCl(aq) at 25oC in a solution calorimeter, its temperature fell by 0.397oC on account of the reaction
The value of the gas constant is 0.08206 L x atm/(mol x K). You may also find the conversion factors 1 atm = 760 torr and Tk = Tc + 273 useful.
An electric power station annually burns 3.3 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
Problem- A weak acid (HA) has a pKa of 4.919. If a solution of this acid has a pH of 4.762, what percentage of the acid is not ionized. Assume all H in solution came from the ionization of HA.
What is the cell potential for the following standard cell? Cr(s) / Cr(NO3)3 // SnCl2, SnCl4 / Pt(s) b) Do you expect this cell to have a - or + Go
A BOD test is to be run on a sample of wastewater that has a five-day BOD of 230 mg/L. If the initial DO of a mix of distilled water and wastewater is 8.0 mg/L
Assuming the solution's final volume is 150.0 mL, the density is 1.00 g/mL, and the specific heat is 4.184 J/(g C), calculate the heat of the reaction.
Draw electron dot structure for the following molecules or ions notes En (electronegativity of Sb, Se, CL O are 1.9, 2.4, 3.0 respectively (a) SbCL3 (b) SeOCL2 (c) BF4- (d)C2H5CL
How many liters of benzene gas are formed when 1.54 kJ of heat is absorbed by benzene at a constant temperature of 298 K?
what is the formula of alcoholic acidity?
What must be the velocity, in meters per second, of a beam of electrons if they are to display a de Broglie wavelength of 62.7 μm? Enter your answer with three significant figures. Enter scientific notation as 1.23E4
In what form does BH3 ordinarily exist? Give the name, molecular formula, and molecular structure of this substance.
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