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What is the specific heat capacity of gold if it requires 48.8 J to raise the temperature of 15 grams of gold 25 C?
Question- An electron microscope employs a beam of electrons to obtain an image of an object. If the wavelength of the electron is 18.3 pm, what is its velocity
The difference in aqueous nucleophilicity between Cl- and Br- is observed in the product distribution for the SN2 reaction of 1-butanol (n-butanol alcohol) but not for the SN1 reaction of 2-methyl-2-propanol
Which group includes only exothermic processes? Cu(s) + H2SO4(aq) 11. In the reaction shown below, which substances are dissolved in water?
Show the full mechanism of bromination for both 2,4-nitrophenol
During the reaction, the temperature of the H2O changes from 23.6 oC to 57.6 oC. How much heat (in kJ) did the chemical reaction produce?
A 2.95 -g sample of an unknown chlorofluorocarbon is decomposed and produces 585ml of chlorine gas at a pressure of 748 mmHg and a temperature of 298K.
for a certain chemical reactiondelta h -156kj . assuming the reaction is at equilibrium classify each of the following
describe the voltaic cell and half cell components and write the shorthand notation for the following oxidation-reduction reactions: a)Mn(s)+Sn^2+(aq)>Mn^2+(aq)+Sn(s) b) Ni(s)+2Ag^+(aq)>Ni^2+(aq)+2Ag(s)
The following are hypothetical configurations for a beryllium atom.
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
Gives what happens at low pH for aluminum hydroxide. A) Al(OH)3 precipitates B) Al precipitates C) Al dissolves D) Al(H2O)63+ dissolves
A green leaf has surface area 2.20 cm^2. If solar radiation is 1190 W/(m^2) , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
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