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Question- A constant electric current deposits 0.365 g of silver metal in 12960 seconds from a solution of silver nitrate. What is the current? What is the half reaction for the deposition of silver. Molar mass of Ag is 107.9?
I want you to clarify the chemistry in this above problem.
Although the actual process as well requires water, a simplified equation with rust shown as Fe2O3 is given below. 4Fe(s)+3O2(g)-->2Fe2O3(s) Delta Hrxn= -1.65x103KJ. Explain how much rust forms when 3.83 x 10^3 kJ of heat is released
Find the identity of an unkown metal, M, if .3550 grams of the unknown metal reacts with nitrogen gas to give .4025 grams of a metal nitride, M3N2
you and another student were each given an unknown compound. both samples contained pale yellow solids. you both used
When a 23.7 mL sample of a 0.362 M aqueous nitrous acid solution is titrated with a 0.310 M aqueous potassium hydroxide solution, what is the pH after 41.5 mL of potassium hydroxide have been added
has a volume of 58.0L and a pressure of 645mmHg. What is the temperature, in kelvins and degrees Celsius, of the gas?
a 10.00 ml portion of hcl sol was diluted to 50.00 ml. if 5.00 ml of this solution required 41.00 ml of 0.2550 m sodium
Calculate the concentration of Ca2 at V = 1/2 Ve. (d) Calculate the concentration of Ca2 at V = Ve. (e) Calculate the concentration of Ca2 at V = 1.1 Ve.
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at Vb = 0 mL, Vb = 10.1 mL and Vb = 12.0 mL
The volume of HI(aq) required to reach the equivalence point : (1c) The pH at the half-neutralization point. (1d)The pH at the equivalence point.
Lead(II) forms soluble hydroxo complexes in excess base. Calculate the molar solubility of lead hydroxide (yellow form) at pH 8.46. See your text for equilibrium constants.
Classify each of the following processes as spontaneous or nonspontaneous. I. H2O(l) --> H2O(g) T=25 deg C, vessel open to atmosphere with 50% relative humidity
During the initial stages of method development, the researcher was unable to separate anthracene and naphthalene with baseline resolution. From the options below, select all possible modifications the researcher could make to improve the resoluti..
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