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Given the unbalanced equation Ag2CO3 yeild Ag + O2 + CO2 how many moles can be produced from 2.5 moles of Ag2CO3
In a coffee-cup calorimeter, ammonium nitrate of 1.50 grams is added with water of 72.0 grams at an initial temperature of 25.00°C. the final temperature of the calorimeter contents is 23.83°C After dissolution of the salt. (Assuming the solution has a heat capacity of 4.18 J/°C·g) determine the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
When an aqueous solution of sodium sulfite is added to an aqueous solution of hydrobromic acid, a gas evolves. Write the balanced chemical equation
All useless answers. Shouldn't lose points if answers are not helpful. A 0.4863-g sample of primary standard sodium carbonate (Na2CO3, fw 105.988) was treated with 40.00-mL of a dilute perchloric acid (HClO4, fw 100.458) solution.
A student in lab constructed an Ag+ sensor using the same procedure as in the Metal Ion Sensor lab that you performed. Titration of 10.00 mL of an AgNO3 solution diluted with 40.0 mL of DI water required 11.85 mL
Draw the amine from the following: A Hofmann degradation of a primary amine forms an alkene that gives butanal
Furthermore, you conducted the experiment using Styrofoam coffee cups because of their effective insulation capabilities. Therefore, you were able to accurately measure the molar enthalpy change of the acid-base reaction.
Dipole moment, Formaldehyde has a very large dipole moment (2.33 Debye) whereas carbon monoxide has a very small dipole moment (0.11 Debye)
Describe synaptic tagging and capture in LTP. What kind of stimulus is necessary for new protein synthesis to occur? What kind of stimulus is necessary for a synaptic tag
is an important oxidizing agent and a moderately strong acid. in a 0.1M solution ,[H+] = 3.8x10^-2M. Calculate the Ka and the pKa for periodic acid.
Naturally occuring chlorine has two isotopes, Cl-35, which has an atomic mass of 34.969 amu and Cl-37. If the average atomic mass of chlorine is 35.46 amu and its natural abundance is 75.53%
5.0ml of 12 M NH3 is added to 500ml of 0.050 M AgNO3. What concentration of silver ion will exist after equilibrium is established. {Kf for Ag(NH3)2 is 1.5 x 10^7
The temperature of water at thermal equilibrium is 45*C. What was the initial temperature of the aluminum? The specific heat of water is 4.184 J/g *C & specific heat of aluminum is 0.0902 J/g*C
Calculate the mass flow rate and power needed to run the compressor while assuming that oxygen can be treated as an ideal gas and that the gas at the entrance and at the exit is in local equilibrium.
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