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Problem- A solution of NaOH(aq) contains 8.9 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
Illustrate structures to prove your rezoning.
Consider a glass of 298 mL of water at 30°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
Explain why when the thermodynamic reaction is added to water , the reaction is more vigorous than when the kinetic product is added to water.
A 100 mL sample of an aqueous solution at 25 C contains 20.4 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 5.88 torr, what is the molar mass of the unknown compound
Methane, ammonia, as well as water all has tetrahedral electron domain geometry. Find out the bond angles for methane, ammonia, and water. Explain why are the bond angles different even though the electron domain geometry is the same for each
what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen 7.49 mol of nitrogen and 1.19
Which is most acidic butanoic acid (marvin structure), bromobutanoic acid (marvin structure), hydroxybutanoic acid (marvin structure) and chlorobutanoic acid(marvin structure)
How many simabonds are there in a C60 molecule? 2. Which has stronger carbon-carbon bonds: graphite, diamond or C60? Please explain
Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?
Benzene, phenol and benzaldehyde. Which of these would you predict to be the most reactive toward an electrophile? Briefly explain.
what is the density in g/cm^3 units of a solution that has a net mass of 54.8 g and occupies a 0.050 L volume. please show your work step by step, use the correct number of significant figures and units.
Molecules can be as small as a few atoms or as large as thousands of atoms. In 1962, Max F. Prutz and John C. Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin.
The ReO3 structure is cubic with Re at each corner of the unit cell and one O atom on each unit cell edge midway between the Re atoms. Define this unit cell and determine
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