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In an electrolysis experiment, 15.0 g of water are decomposed by means of an electrical current to form gaseous hydrogen and oxygen. Calculate the volume of gaseous hydrogen produced at 25 °C and 100 kPa.Note: Always write down the balanced chemical equation.
Gas stoichiometry and Percentage of calcium carbonate in the sample
how many grams of lead (II) chloride is produced when 13.87 g lead (II) nitrate combines with hydrochloric acid to produce lead (II) chloride and nitric acid?
How would a calculated specific heat be affected if there is less water in the calorimeter that the value used in a calculation. Would it be higher, lower or unaffected
patients suffering from respiratory disorders are often treated in oxygen tents in which the atmosphere is enriched in
A chemical reaction in which the atoms of the reactants undergo a change in the oxidation state is called a redox reaction. Such involve both oxidation (increase in oxidation state) and reduction
Consider a galvanic cell consisting of a magnesium electrode in contact with 1.0 M Mg(NO3)2 and a cadmium electrode in contact with 1.0 M Cd(NO3)2. Calculate Eo for the cell and draw a diagram showing the cathode, anode
Student A conducted the acid-catalyzed dehydration of ethanol at 180 degrees C and obtained a gaseous product. Student B conducted the same experiment at 140 degrees C and obtained a low boiling liquid. Draw mechanisms for the formation of the pro..
Some of the formulas below could be either molecular or empirical formulas; however, some could only be molecular formulas. Which of the following formulas must be molecular formulas
Using a sample of 0.385 g of Alka-Seltzer, the mass of Carbon dioxide is found to be 0.122 gram. Compute and enter response (in numerical value only) to three significant figures.
Draw a flame ionization detector FID using the following parts: column, flame, hydrogen, air, electrode, current meter
The diluted solution from the second volumetric flask was found to contain 0.0274 mgNa/L.What is the concentration of Na in the first volumetric flask
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 94.11 g/mol, how many grams of this compound must you burn to release 256.70 kJ of heat
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