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Using the appropriate equation from your lecture notes, how much of a 5 gram sample will be extracted from 20mL of water using 15mL of an organic solvent and the partitian coefficient is K = 0.50.(nearest hundredth)
A solution contains 9.87 (g) of dissolved silver. How many moles of potassium chloride must be added to the solution to completely precipitate all of the silver?
A sample of nitrogen gas that occupies a volume of 31.2 L at a temperature of 0 oC and a pressure of 1 atm contains , answer in moles of gas please.
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water.
The molar mass of the compound is 303.8 g/mol and the molar masses of C, O, and Ag are 12.-1 g/mol, 16.00 g/mol, and 107.9 g/mol, respectively. Determine the empirical and molecular formula of the compound.
If an electric car is capable of going 220. km on a single charge, how many charges will it need to travel from Boston, Massachusetts to Miami, Florida, a distance of 1486 mi, assuming that the trip begins with a full charge?
The half-life of carbon-14 is 5730 years. Therefore, 5730 years after being cut from a tree, a piece of wood will have 50.0 % of the carbon-14 that it had originally. What percentage of the original carbon-14 will remain in the wood after another 5..
Cesium has the smallest ionization energy of all the elements (376 kJ/mol), and chlorine has the most negative electron affinity (-349 kJ/mol).
The compound is composed of 41.39% carbon, 3.47% hydrogen and 55.14% oxygen. The molecular mass is 116.07 g/mol. What is the molecular formula?
water can be expressed in polynomial form, vs the number of moles of ethanol (nEtOH), as 1002.93+54.6664*nEthOH-0.36394*nEthOH^2+0.028256*nEtOH^3, the partial molar volume of ethanol has its minimum value at m > 0.004 mol/kg.
Take frequencies from sections on absorptions of selected functional groups in the text. If a functional group is not discussed specifically, use frequencies from Which compound will exhibit this absorption?
An element has 2 naturally occurring isotopes. Isotope 1 has 120.9038 amu and a relative abundance of 57.4%, and isotope 2 has a mass of 122.9042 amu. Find the atomic mass of this element and by comparing it to the periodic table identify it.
Compute the final x value using quadratic formula If two moles of caron mono oxide gas and one mole of chlorine gas are placed in the vessel and heated to 500 Kelvin temperature to start the reaction?
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