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What is the effect of an insoluble impurity, such as sodium sulfate, on the observed melting point of a compound?
Draw the structure of the major product(s) formed when 1-hexyne is subjected to ozonolysis, followed by hydrolysis.
A 11.6-g sample of CaCl2 is dissolved in 139 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
is it possible to determine the amount of impurity formed in aspirin with excess sodium salt. aspirin had a melting point range of 113-135 degrees celsius. that is all the information given. any other info can be used.
The isentropic efficiency of the turbine is 85%. The air is then delivered to the aircraft cabin and leaves the aircraft at 160 C. Calculate. i. The refrigerating effect
20.0 mL of 0.250 M calcium nitrate are mixed with 25.0 mL of 0.150 M potassium nitrate. How many grams of product will form
capsaicin the compound that gives the hot taste tonbspchili peppers has the formula c18h27no3.a calculate its molar
If a reaction mixture initially contains 0.159 M SO2Cl2 , what is the equilibrium concentration of Cl2 at 227 C?
an average cup of coffee contains about 125 mg of caffeine cahronqoz. if a student drinks 5 cups of coffee before their
How can you tell that Cobalt(II) iodide is a binary ionic compound formed by a transition metal with more than one ionic charge?
Calculate the partial pressure in atmospheres of O2 in the air outside an airplane cruising at an altitude of 10 km, where the atmospheric pressure is 190.0 mmHg
what is the rate law? b) calculate the value of the rate constant c)calculate the initial rate for an experiment when both I- and OCl- are initially present at 0.15 mol/L
Calculate delta A of reaction and delta G of reaction for the reaction C6H6 (l) + 15/2 O2 (g) --> 6CO2 (g) + 3H2O (l) at 298 K from the combustion enthalpy of benzene and the entropies of the reactants and products.
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