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Problem- What is the density of lithium metal in g/cm3 if a cylindrical wire with a diameter of 2.40 mm and a length of 15.0 cm has a mass of 0.3624 g?
Please assists me to understand How to do fix this?
What is the freezing point of a solution of aluminum chloride that contains 42.0 g AlCl3 dissolved in 530. g of water?
The vapor pressure of CCl4 (MM = 153.81g/mol) at 65 degree celsius is 504mmHg. How many grams of C10H8 (MM= 128.2gmol) must be added to 25.00g of CC4 so that the vapor pressure of CCl4 is 483mmHg?
The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.
how could you use IR spectroscopy to identify which alkene is in which vial? How do you determine what the wavenumber values are for specific compounds/ elements?
The decomposition of KClO3 proceeds spontaneously when it is heated. Do you think that the reverse reaction, the formation of KClO3 from KCl and O3 is likely to be feasible under ordinary conditions
A student has three gas samples of the same volume. All the gases are at the standard temperature and pressure (273 K and 1.0 atm). If the three gases are O2, CO2, NH3, which sample contains the largest number of atoms
An athlete wants to acquire red blood cells from a donor with the same blood type. Taking into consideration that blood is composed of three components, plama, red blood cells, and leukocytes. what instrument have used in our lab experiments that ..
Determine the total concentration (in mol/L) of Cl- ions in a solution formed from the reaction of 500mL of 1.0M barium hydroxide Ba(OH)2 with 182mL of 1.51M hydrochloric acid HCl
The proposed mechanism for a reaction is 1. ClO-(aq) + H2O(l) => HClO(aq) + OH-(aq) SLOW 2. I-(aq) + HClO(aq) => HIO(aq) + Cl-(aq) FAST 3. OH-(aq) + HIO(aq) => H2O(l) + IO-(aq) FAST Which of the following would be a rate law for the reaction
Calculate the theoretical yield in grams of methyl piperate from 3.6g of C9H17O5P and using 5% of molar excess of piperonal.
Calculate the concentration given the absorbance. Each test tube has 5ml of water then a certain amount of bromol blue. 1 ul bromol blue absorbs at= 0.092, 2 ul=0.105, 4ul=0.093, 10=0.199, 20= .225, 30= 0.592, 50=0.957, 100= 1.717.
Determine the empirical formula of a compound that is 25.42 percent Na , 39.2 percent Cl, and 35.38 percent O by mass.
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