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An Ecell consists of a Ag electrode in contact with 346 mL of 0.1 M silver nitrate solution and a Mg electrode in contact with 288 ml of a 0.1 M Mg(NO3)2 solution now you just need to calculate the value for E for the cell at 25 the temperature of twenty five degree Celsius and also compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
Suppose that the atomic mass unit (amu) had been defined as one-sixth of the average mass of an atom of fluorine instead of one-twelfth of the mass of an atom of carbon-12. What would the average atomic mass of phosphorus be on this new scale
At constant pressure, in which of the reactions is work done by the system on the surroundings? By the surroundings on the system? In which of them is no work done?
CO(g) + NO2(g) ------> CO2(g) + NO(g) rate= k(NO2)^2 Suggest a plausible mechanism for the reaction, given that the unstable species NO3 is an intermediate.
sodium borohydride reduction experiment write the balanced equation for the reaction and calculae the percent yield
The pressure in a vessel containing methane and water at 70°C is 10 atm. At the given temperature the Henry's law constant for methane is 6.66 x 104 atm/mole fraction. Estimate the mole fraction of methane in the liquid.
Consider the combustion reaction between 26.0 mL of liquid methanol (density=0.850g/mL) and 13.0 L of oxygen gas measured at STP. The products of the reaction are CO2(g) and H2O(g),
calculate the wavelength of the emitted radiation if an electron in a hydrogen atom went from n = 4 to n = 1. in what region of the electromagnetic spectrum(e,g.X-ray, visible, infrared) would this radiation lie?
What volume (L) of H2 at 745 torr and 20.oC can be prepared from 4.8 g of water? (Atomic weights: Fe = 55.85, O = 16.00, H = 1.008; 1 atm = 760 torr).
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
write the structural formula of organic product that would result from the reactionch3-chch2
Describe what data you need to collect and how you will use it to identify the metal cations present in the sparklers.
The nitrite ion (NO2-) is commonly determined by a colormetric procedure using a reaction called the Griess reaction. Im this reaction the sample containing nitrate is reacted with sulfanilimide
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