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When an aldehyde is reacted with an alkyl lithium compound, after acid hydrolysis the result is a) a ketone b) a primary alcohol c) a secondary alcohol d) a tertiary alcohol
How many L of H2 gas (at STP) is produced from 470 mL of 0.36 M HCl and excess Zn? The reaction is: Zn + 2HCl = ZnCl2 + H2
Assuming an ideal solution, what is the molecular mass of the compound?
how to calculate the concentration of a standard solution and the concentration of KMnO4 the mass of sodium oxalate used was 0.8367g and then it was diluted down with 50ml water, and 20ml H2SO4 then 25 ml of that solution
A mass of mercury occupies .750L. What volume would an equal mass of ethanol occupy if mercury's density is 13.546 g/mL and the density of ethanol is .789 g/mL?
Write the electron configuration for each of the following. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2 and using the format CO2 for CO2.)
A compound composed of elements X and Y is 1/3X by mass. The atomic mass of element X is 1/4 the atomic mass of element Y. Find the empirical formula.
The specific heat capacity of solid copper metal is 0.385 J/g-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0C to 77.5C?
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142 km trip in Europe?
The equation for a Beer's Law plot is y = 2012.5x + 0.003. If the recorded absorbance for an equilibrium mixture is 0.362, what is the concentration of FeCNS2+ (aq)?
A 0.625 mole sample of N2 gas at 1.50 atm and 45C occupies a volume of 10.9L. What volume in liters would each of the following molar sized samples of gas occupy at the same temperature and pressure. a) 2.00 moles CO2
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2(g) and H2O(g) and releases 5.64 x 103 kJ/mol sucrose. What is q (heat change) per gram of sucrose oxidized
how much heat is transferred when 400 grams of mercury (Hg) is vaporized? specific heat (c) = 0.14J/g C, heat of fusion = 2.29 kJ/mol, heat of vaporization = 59.1 kJ/mol.
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