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A solution is prepared by dissolving 4.9g sucrose in 175g water. Explain what the boiling point of this solution is. Sucrose is s non electrolyte.
how many grams of methane ch49g must be combusted to heat 1.00 kg of water from 24.0 to 93.0 assuming h2ol as a product
Calculate the number of grams of sulfuric acid in 1 gallon of battery acid if the solution has a density of 1.28 g/mL and is 38.0% sulfuric acid by mass.
What is the volume of sulfur dioxide (SO2 gas), formed when 2 moles of carbon disulfide (CS2) are burned ?
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurations for this element.
question phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the
Small helium-neon lasers emit 2.94 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
Assume a density of 1.08g/mL for the solution. A)Find molarity of solution B)Find molality of solution C)Calculate mass percent of solution
the peptide Phe-Val-Lys-Ser using the appropriate protease in a phosphate buffer solution at pH=7. What two species would actually constitute the phosphate buffer?
the following reaction has an equilibrium constant of k 1.6x10-21 at 298 k. the equilibrium constant increases to k
Write the equation for the reduction half-reaction. If the potential of the silverIsilver ion electrode (E AgIAg+) is taken to be 0.000 V, what is the value of the potential for the oxidation reaction?
the decomposition of potassium chlorate kclo3 is used as a source of oxygen in the laboratory. how much potassium
At a temperature T, a previously empty 5.00L flask is prepared by adding 1.20 mol SO2 and 1.5 mol of O2. Determine the concentrations of SO2, O2 and SO3 once equilibrium is established. KC=963
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