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Draw an electrochemical cell made from a magnesium electrode in a 1.0 M MgSO4 solution and a nickel electrode immersed in a 1.0 M solution of NiSO4 , showing the items listed below, and send it to me (email) for extra credit.
a) write the net ionic equation for the reaction.
b) Label the anode and cathode
c) State what is oxidized and reduced
d) Show which directions the electrons flow
e) Calculate the cell emf for the cell at standard conditions
How many types of nonequivalent protons does the following compound contain
Problem- In the experiment Classifying matter by properties, burns from improper handling of hot objects are the principal hazard related to this experiment. What should you do if you burn yourself
Use the data below from an electron impact mass spectrum of a pure compound to deduce its structure. DRAW your structure in the drawing window. Mass Spectrum M/z Relative intensity 73 1.0 72 25 57 8 43 100 29 17
A. 4.00×10?3 HBr are dissolved in water to make 14.0L of solution. What is the concentration of hydroxide ions,OH^-, in this solution? B. 2.00g of NaOH are dissolved in water to make 2.00L of solution. What is the concentration of hydronium ions, ..
Calculate the expected change in temperature for 1.7 g of NH NO dissolved in 50.0 2 cal mL of H O. Assume that the calorimeter absorbs no heat. (ie. C =0)(Remember to use dimensional analysis
Acid rain is a worldwide environmental issue. You collect a sample of potentially acidic rainwater and submitted to analyze. Several acidic ions were found in the solutions and the concentrations were shown below: Total inorganic carbon = 0.1 mg-C/L ..
metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. if 16.2 g of mg are heated with
A 60.0-W incandescent light-bulb produces about 4.00% of its energy as visible light. Assuming that the light has an average wavelength of 510.0 nm, calculate how many such photons are emitted per second by a 60.0-W incandescent lightbulb
What is the pH of the solution during the titration when the following volumes of the NaOH have been added to 34.5-mL of the acid.
Problem- Consider a process in which an ideal gas is compressed to one-fifth of its original volume at constant temperature. Calculate the entropy change per mole of gas.
What mass of NaOH is needed to precipitate the Cd2+ ions from 48.0 mL of 0.500 M Cd(NO3)2 solution?
How many moles of NaOH will need to be added to 100.0 mL of 0.100 M acetic acid to make a buffer with a pH of 5.00?
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