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What is the pH of 0.420 M Barium hydroxide?
What is the hydroxide concentration for 0.018 M Hydroiodic acid?
What is the hydronium concentration if the pOH for a solution of potassium hydroxide is 12.70?
5) For which of the properties does Li have a larger value than potassium? Atomic radius Ionic radius
A solution is prepared by dissolving 11.60 g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0- cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas
Explain how many mmol of NaOH will react completely with 50ml of 1.5M H2C2O4
the volumes for both reactants were mistakenly and unknowingly reduced by 5 in all of the beers law plot solutions.
How many atoms are contained in a block of aluminum metal measuring 6 mm x 8 mm x 18 mm. The density of aluminum is 2.7 g/cm3.
Classify each of the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
A helium-filled weather balloon has a volume of 714 L at 23 oC and 750 mmHg. It is released and rises to an altitude of 3.78 km, where the pressure is 546 mm Hg and the temperature is -2oC. The volume of the balloon at this altitude is
Ni(s) +4CO(g) Ni(CO)4(g) Given that the standard free energies of formation of CO9g) and Ni(CO)4 are -137.3 kj/mol and -587.4 Kj/mol, respectively, calculate the equilibrium constant of the reaction at 80C. Assume that DeltaGf is temperature ind..
What is the change in enthalpy when 18.4 g of steam at 100?C is converted to liquid water at the same temperature and pressure? The heat of vaporization of water is 40.7 kJ/mole. Answer in units of kJ.
Sulfuric acid is a very strong inorganic used in commercial and non-commercial laboratories. What is the molarity of a 70.00 wt % solution of sulfuric acid in water? The density of the solution is 1.6503 g/mL.
What happens structurally when an amine is dissolved in an aqueous acid compared to when a carboxylic acid is dissolved in aqueous base
What might be your initial hypothesis for growing these? How would you set up an experiment to test your hypothesis? Identify the variables involved. How would you modify their design and what questions would you ask?
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