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According to the laws of probability, the chance of two independent events occurring simultaneously is which of the following: (a) the sum of the individual probabilities, or (b) the product of the individual probabilities?
Calculate the equilibrium constant at 0c and at 50c(assuming enthalpies of formation are independent of temp)
How EXACTLY is chromatography used in testing blood for drugs/alcohol? I need the exact process of how they do it, and why.
if a 2.5 l reaction vessel initially contains 725 torr of cyclopropane at 485c how long will it take for the partial
Draw all unique isomers of the complex [Cr(en)Cl(H2O)3]2+. Indicate whether each one is chiral or achiral. (You can abbreviate the "en" ligand as "N-N" in your drawing).
How much heat is needed to raise the temperature of 81.0 g of water from 34 degrees celsius to 9.0x10^1 degrees celsius
a solution is prepared by mixing 55.0 ml of 0.015 m bacl2 and 150. ml of 0.045 m k2so4. what are the concentrations of
Draw the structure resulting from a reaction of a) diborane (B2H6) followed by b) alkaline hydrogen peroxide (NaOH/H2O2) with the following alkene.
What is the molarity of 175 mL of a solution containing 2.18 g of Na2SO4·10H2O? 0.00377 M B. 0.644 M C. 0.00878 M D. 0.00118 M E. 0.0387 M
A 45.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
how many grams of carbon dioxide are produced when 23.5 g of 1-pentanol react with excess oxygen in a combustion reaction?
Calculate the molar enthalpy change when mercury is cooled 10 K. The molar heat capacity of mercury is 27.8 J/K*mol
If the dose of Na2CO3 is 100 mg/L , the volume of EDTA is 9.5 mL and the total hardness is 95 mg/L as CaCO3 calculate the % total hardness removed.
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