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What is the difference between a metal in its elemental state and a metal ion? What are the different chemical and physical properities on the basis of what you would view in a series of chemical reactions with the copper reactions?
Assume that fructose is a molecular solid and does not ionize when it dissolves in water.
Calculate the pH of a solution containing 0.085M nitrous acid (ka = 4.5 x 10-4) and 0.100M KNO2.
Dentists might use a mixture of 40% N2O and 60% O2 as an initial anesthetic of nitrous oxide(although exact proprtions may vary). Determine the entropy of mixing for 1 mole of such a mixture. Assume ideal gas conditions.
4.20 g of a chloride-containing compound of Ti was obtained. What is the empirical formula of the chloride-containing compound
while performing the assays for the ldh kinetics experiment you will pipet 10 ul of 250 ugml ldh into 990 ul of assay
Assuming a soap to be pure sodium stearate, give an equation for it's reaction with Ca2+ in hard water.
What is the pH of this solution? What is the concentration of the molecular species H3PO4?
A secondary alkyl halide reacts with a weak nucleophile. The reaction will proceed via which of the following mechanisms? A) SN1 B) SN2 C) E1 D) E2 E) SN1 and E1
Calculate the enthalpy change for converting 1.00 mol of ice at -50.0°C to water at 70.0°C in kJ. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H2O , Hfus = 6.01 kJ/mol, and Hvap = 40.67..
The molar heat capacities of Iron and Gold are 25.19 J/(mol*(*C) and 25.41 J/(mol*(*C) respectively. What is the final temperature of the water and the metal?
calculate the theoretical and percent yields if 934 grams of sucrose c12h22o11 react and 493 grams of ethanol c2h5oh
At 0.0oC, if the volume of air is 3.4 mL and the pressure of the atmosphere that day is 695 mmHg, what is the number of moles of air?
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