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1.) Explain what is the pH of a solution prepared by dissolving 4.1g of HCL in water to make 455mL of HCL solution?
2.) A volume of 100mL of a 0.900M HNO3 solution is titrated with 0.600M KOH. Compute the volume of KOH needed to reach the equivalence point.
3.) Classify the acid (proton donor) for the reactants in the subsequent reaction.
HI (aq)+H2O(l)→H3O+(aq)+I-(aq)
A lead fishing weight with a mass of 68 g absorbs 146 cal of heat. If its initial temperature is 56°C, what is its final temperature.
Integrate the expression b = 1/V (derivative of V / derivative of T) at constant pressure, assuming that b is independent of temperature. By doing so, obtain an expression for V as a function of T and b at constant P. b means beta
The literature Ksp value for Mg(OH)2 is 1.810?11. (a) Calculate the theoretical [OH-] in a saturated solution of Mg(OH)2.(b) What volume of 0.00209 M HCl would be required to neutralize the OH- in 100.0 mL saturated Mg(OH)2 solution
What effect does an increase in the heating rate have on the boiling temperature during a distillation
How many fluoride atoms are in the tube of toothpaste? How many grams of sodium ion are in 2.10 toothpaste? How many molecules of triclosan are in the tube of toothpaste?
Organic Reactions - Cyclopentadiene, Why is cyclopentadiene monomer more stable at higher temperatures although dicyclopentadiene (dimer) is more stable at lower temperatures?
A patient weighs 165 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25 mg of drug per mL of solution. How many mL of the drug should the patient receive?
a 45- piece of ice at 0 is added to a sample of water at 12. all of the ice melts and the temperature of the water
The visible part of the hydrogen atom spectrum is called the Balmer series (n1 = 2). The violet line has a wavelength of 410.2 nm.
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
translate the following word equations into balanced chemical equations and explain how the equations represent what
Therefore the formula is N2O4 Dinitrogen tetraoxide. Recognizing Incorrect Names and Formulas of Explain what is wrong with the name of formula in the second.
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