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1. What is the pH of a solution with [H3O + ] = 10.0 M?
2. Calculate the theoretical yield if 3 g of N2 is mixed with 3 g of H2 to form ammonia according to the following reaction: N2 + 3H2 → 2NH3
3. What is the amount of heat liberated from 30 g of water vapor condensing to a liquid at 1000C? ΔHvap,H2O = 40.7 kJ/mol (Hint: water vapor condensation is an exothermic process. Think about what this does to the reaction enthalpy. Should it be positive or negative??)
A student placed 20.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached.
What if you were designing an engine for a SUV that produced 2.40 × 102 L/s of exhaust with a CO content of 1.9 mg CO per 1L of exhaust? What volume of catalytic matrix would you need to reduce the CO emission in this automobile?
Calculate the molar solubility of Ca(IO3)2 in each solution below. The Ksp of calcium iodate is 7.1x10^-7. a.) 0.065 M Ca(NO3)2 b.) 0.065 M NaIO3
What are aromatic compounds woth reference to structures in organic chemistry.
Would you expect the alloy PdB0.15 to be a substitutional alloy or an interstitial alloy
Calculate the concentration (M) of the following solutions prepared by; Diluting 5 mL of 0.100 M NaOH with water until the final volume.
The specific heat capacity of the solution produced was 4.20 J/g•°C, and final temperature reached was 34.91°C. How much heat was produced by the dissolution
Why is it important to the place the thermometer bulb at in the lower part of the Hickman still head? What will happen if you place it either a)too low
35mg CuSO4.5H2O (FW: 249.68) dissolved into 100mL of H2O. What is the concentration of Cu in mg/L
Can an object be at rest if forces are being applied to it? Explain. If no forces are acting on an object, can the object be in motion? Explain. What is the unbalanced force acting on a moving car with a constant velocity of 25 m/s (56 mi/h)?
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
Give equations for the reaction of aspirin with the following: a. acetyl chloride/ pyridine b. methanol/HCl/heat c. sodium bicarbonate, room temperature d
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