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Combustion of hydrogen releases 142 kJ/gram of hydrogen reacted. How many kcal of energy are released by the combustion of 16.0 oz of hydrogen? (1 lb = 16 oz; 1 kg = 2.2 lb)
What volume (in liters) is occupied by 0.01 moles of carbon monoxide
Problem- A 20.00 mL sample of propanoic acid, HC3H5O2, is titrated with strong base. The end point is reached upon addition of 30.00 mL of base. The following data is obtained
When 1 mole of H2(g) reacts with C2H4(g) to form C2H6(g) according to the following equation, 137 kJ of energy are evolved. What is the value of q?
the molar heat of vaporization of acetic acid hc2h3o2 is 24.3 kj mol-1 at its boiling point. how many kilojoules of
If it takes 526 J of energy to warm 7.40 grams of water by 17 degrees Celsius, how much energy would be needed to warm 7.40 grams of water by 55 degrees Celsius?
A 25.0 mL sample of 0.1 M acetic acid is titrated with 0.125 M NaOH. Calculate the pH at 25 degrees C of the titration mixture after 10.0, 20.0, and 30.0 mL of the base have been added.
Calculate the cell potential at 298 K of the galvanic cell below. Assume no current draw and a perfect salt bridge. Pt(s)| Cu2+ (0.05 M), Cu+ (0.50) || Fe2+ (0.01 M), Fe3+ (0.10 M) | Pt(s)
an empty vial has a mass of 67.77 g. if the vial has a mass of 244.56 g when completely filled with liquid carbon
Decide whether or not each metal dissolves in 1 M HCl. For those metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Problem- Explain why the formation of the diammine silver (I) complex cation is favored in a basic solution, but not in an acidic solution.
a nc coastal plain organic soil has a ph of 4.5 and a cec 30 meq100g.nbsp what lime rate would you recommend? a dealer
What is the expected Nernst equation, in mV, for each decade change in the hydrogen ion concentration for a glass elecrode
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