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Identify the approximations that lead to the rate law quoted there. Discuss how may the conditions be changed so that the reaction shows different orders?
Maria places sucrose in a glass beaker during chemistry lab, adds stirs and water. She loudly proclaims that she has chemically broken down the sucrose into fructose and glucose when the table sugar
Suppose you are the instructor for 16 students in a chemistry lab and each student requires the 75 ml of a 0.100 M NaOH solution. You have only 6.00 M NaOH solution in stock.
Discuss at what pressure does the mean free path of argon become comparable to the diameter of a spherical vessel of volume 1.0dm3 at 25C that contains it? Take σ = 0.36nm2
Determine the number of collisions does a single Ar atom make in 1.0s when the pressure is 10 bar and the temperature is 25C?
The reaction among oxygen and nitric oxide (NO) to form the nitrogen dioxide (NO2) is a key step in photochemical smog formation:
White phosphorous, P4, is prepared by fusing calcium phosphate, Ca3 (PO4 )2 , with carbon, C, and sand, SiO2, in an electric furnace. 2Ca3(PO4)2 (s) + 6 SiO2(s) + 10C (s) ---->
A commercial stomach acid neutralizer consists mainly of Mg (OH)2. Determine the number of grams of Mg (OH)2 would be needed to neutralize the daily output of gastric juice, which is about 2
Helens in 1980, gas samples from the volcano were taken by sampling the downwind gas plume after the large eruption of Mount St. The unfiltered gas samples were passed over a gold-coated wire coil t
Discuss the molarity of a barium chloride solution prepared by dissolving 9.9 grams of BaCl2•2(H2O) in enough water to make 334.0 mL of solution?
Explain what solvent would you use to calculate the density of cadmium nitrate? And convert your densities to kg/L and compare these values with those in g/mL.
What error would result in the volume dimension and what would be the effect of this error on the designed density when the air bubbles were trapped in your solid beneath the liquid level in your d
The unknown was found to have a boiling point of 57C at 658 mm Hg. A liquid unknown was found to be in soluble in water and soluble in alcohol and cyclohexane; determine the substance?
Calculate the percentages of 35Cl and 37Cl in naturally occurring chlorine when the average atomic mass of chlorine is 35.453 amu.
The pure optically active substance Z has a specific rotation of 1500. Determine the % optical purity (enantiomeric excess) of Z and what % Z and Z' does the sample contain?
Determine the specific rotation of an unknown if at a concentration of 2.00/10.0 ml. the observed rotation is.500 , using a 1.00 cm cell.
Suppose you have a sample of a pure glyceraldehydes of the specific rotation [α] = -8.70. Can you determine from this experimental fact alone, and without consulting the literature, if this is
Determine the heat evolved in freezing water at -10.°C, given that ΔH = -6004 J/mol at 273K for H2O(l) → H2O(s) and that CP,m(l) = 75.3 J/K⋅mol and CP,m(s) = 36.8J/K⋅mol.
Assume .88 g of water condenses on a 75.0-g block of iron that is initially at 22 *C. Identifies the final temperature of the iron block if the heat released during the condensation goes only to war
What is the relationship among the anion charges and solubility? Which family of salts and group of elements is least soluble or more soluble? Are there any exceptions to this rule?
If ammonium nitrate sells for$2.95/lb and urea for $3.65/lb, explain the difference (in lb N/$) between the ammonium nitrate and the urea when the urea, CH4N2O and Ammonium nitrate, NH4NO3, are both
Determine the binding energy per nucleon for the Uranium-325 and explain how does the its binding energy per nucleon compare to that of the stable Carbon-12 nucleus that is found throughout the huma
What would be the equilibrium concentration of each species when the equilibrium constant for the reaction below is 1.8 x10-4 at a given temperature and 0.0100 mol ofCoCl42- were dissolved i
If 23.8 mL of 0.849 MIO4- is needed to consume 9.97 mL of the sugar solution, Determine the molarity of the glucopyranose solution.