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What statement below best describes the graph representing the integrated 1st order rate law? plot of ln[a] vs t having a straight line negative slope equal to -k?
How much energy (in calories) is needed to heat 8.0 cm3 of fat from room temperature (25 c ) to its melting point (35 c )?
A saturated solution of silver benzoate C6H5COOOAg has a pH of 8.5. The Ka for benzoic acid C6H5OOH, is 6.5x10-5 estimate the value of the Ksp for silver benzoate
You have a sample that consists of 8.2 (+ or -)o.1mL of aqueous 239Pu solution. You measure two 10mL aliquots by liquid scintillation counting and get 3211.4 cpm and 3315.2 cpm, respectively.
Calculate (a) the mass percentage, (b) the mole fraction, (c) the molality, (d) the molarity of H2SO4 in this solution.
Calculate the pH of a solution made by mixing 2.0 M HF and 2.0 M HCN. Also calculate the concentration of CN- ion at equilibrium.
How many joules of heat could be produced from a 170 calorie package of crackers
dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.133 g sample was studied by combustion analysis, 0.239 g of CO2 and 0.0323 g of H2O formed. How many moles of eac..
What is the equilibrium constant for the reaction at 87 °C? (R = 8.314 x 10â€"3 kJ/K.mol)
Supppose that a 2 L solution is made from 178 mg of citric acid (C6H8O7). What is the molar mass of C6H8O7
When looking at a d8 tanabe-sugano diagram how can you determine the total number of peaks that will be seen in the UV-Vis spectrum of the compound
what is the ratio of the rate of reaction A to reaction B ? B) if the initial concentrations of the reactants are both 1.80 M, what is the ratio of the rate of reaction A to reaction B ?
What is the approximate mass percent of cholesterol in a blood sample having a cholesterol level of 176? Why can you not give a more precise answer
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