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How many grams of Mg must react with HCl in order to produce 40.0 ml of hydrogen gas at 22 degrees celsius and 1.02 bar?
If the magnesium ribbon weighs 1.83mg/mm, how many mm of the ribbon will you require?
A 6.11g sample of Cu-?Zn alloy reacts with excess aqueous HCl producing 1.26 L of H2(g) at 22.0 ?C and 728 torr. Since only the Zn portion of the alloy reacts, calculate the percent Cu in the alloy.
A compound has an empirical formula of C2H2O and a molecular mass of 168.0. The molecular formula is C6H6O3.
Problem- Why are different products obtained when molten and aqueous NaCl are electrolyzed. Predict the products used.
What is the difference between robustness and intermediate precision?
Calculate the deltaG for the hydrolysis of ATP in liver, muscle, and brain cells using the following table. In which cell type is the free energy of ATP hydrolysis more negative?
A voltaic cell consists of an Mn/Mn2+ half cell and a Pb/Pb2+ half cell. Calculate [Pb2+] when [Mn2+] is 2.1 M and Ecell= 0.27 V
What is the percent yield of a reaction where 15.3g of oil of wintergreen is collected after 16.3g salicylic acid is reacted with an excess of
the amount of energy released by burning a fuel source measured in energy per mass is called the fuel value. if all the
A 25.0-mL sample of a 0.090 M solution of aqueous trimethylamine is titrated with a 0.11 M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (CH3)3N = 4.19 at 25*C
If the average kinetic energy of a gas is doubled and the volume remains constant, what is the change in pressure
question h2aso4- is amphoteric. what is the balanced chemical equation for its reaction with nitric acid? write the
What is the pH of a solution that results from adding 150.0 mL of 0.200 M HCl to 150.0 mL of 0.350 M NH3? (Kb of NH3 = 1.8 x 10^-5)
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