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Question - A current of 5.34 A is passed through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 8.70 g of nickel?
Determine the solution for the above problem express your work in detail
Write a balanced net ionic equation for the reaction of each of the following aqueous solutions with H+ ions. Sodium fluoride
What is the pH of a dilute solution of weak acid (pKa 5.6) with a concentration of 0.09M conjugate acid and 0.30 M conjugate base. What would the concentration of conjugate acid and conjugate base be if you added 0.10 moles of HCL to 1 liter of th..
A sample of hydgrogen gas, H2, has a volume of 8.56L at a temperature 0C and a pressure of 1.5 atm. Assuming the gas behaves ideally: how many moles of H2 are present in this gas sample
Concentrated nitric acid is 70% by volume. Explain how many mL OF 70% NITRIC ACID are required to make 450mL of 3.3% acid
Question- Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 g of octane. The molar mass of octane is 114.33 g/mole. 2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O H°rxn = -11018 kJ
calculate the molar mass of an unknown compound based on the following data. a mixture containing 1.11g of the unknown
Which of these square planar complex ions can have cis-trans isomers. A. [Pt(NH3)2Cl2] B. [Pt(NH3)4]2+ C. [Pt(NH3)Cl3]- D. [Ni(NH3)3Cl]+ E. [Ni(NH3)4]2+
which of the following is not a representative particle?-atom-cation-anion-all of the
Problem- At what temperature do the Fahrenheit and Celsius scales meet; that is, at degrees Fahrenheit = degrees Celsius
The water bath conatins 2.90 kg of water at 27.6 degrees celcuis. During the reaction 110 kj of heat flows out of the flask into the bath. Calculate the new temperature of the water bath
copperii chloride and leadii nitrate react in aqueous solutions by double replacement. write the balanced chemical
Solid benzoic acid, C6H5COOH(s), is often used to determine the heat capacity of a bomb calorimeter, because the constant volume heat of combustion of this compound is known with high precision
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