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Explain how many amperes are required to deposit 0.203 grams of magnesium metal in 621 seconds from a solution that contains Mg2+ ions
classify each reaction and give the name of all the chemical formula involved for each number.1.na2co3s sio2s -gt
Calculate the pH in the titration of 25.0 mL of 0.100 acetic acid by sodium hydroxide after the addition
How many L of solvent should be added to 0.46 L of a 0.28 M solution if you want a final concentration of 0.13 M.
Explain write a balanced redox reaction for the complete oxidation of ethene (H2C=CH2) to CO2 coupled to the reduction of sulfate to bisulfide. Note that the oxidation define of each carbon in ethene is -2.
what rate is heat released/absorbed (express in kW and state whether released or absorbed) when 4050 mol/h of liquid water are produced
Two acids, each approximately 0.01 M in concentration, are titrated separately with a strong base. The acids show the following pH values at the equivalence point: HA, pH = 9.5, and HB, pH = 8.5.
complete the following chart of gas properties. For each positive observation, write a balanced chemical equation to describe the process.
use the mole ratio to determine the number of moles of carbon dioxide produced when 0.136 mole of 1-heptanol reacts
Succinic acid, an intermediate in the metabolism of food molecules, has molecular mass = 181.1 amu. When 1.926 g of succinic acid was dissolved in water and titrated, 65.20 mL of 0.5000M NaOH solution was required to neutralize the acid.
The following chemical equilibria are studied in this experiment. To become familiar with their behavior, indicate the direction, left or right, of the equilibrium shift when the accompanying stress is applied to the system
Calculate the pH of the solutions having the following [H+]: a) 0.57 M pH=? b) 1.84 M pH=? c) 3.7*10^-5 M pH=?
Calculate how many milliliters of carbon dioxide would be produced theoretically from 20g of sucrose at 25 degrees Celsius and 1 atomosphere pressure.
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