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Two vessels are labeled A and B. Vessel A contains NH3 gas at 80 degrees celcuis and vessel B contains Ne gas at the same temperature. If the average kinetic energy of NH3 is 7.1x10^-21 J/molecules at 70 degrees celcius, calculate the root-mean-square speed of Ne atomes in m/s.
Calculate the final Celsius temperature of sulfur dioxide if 0.500 L of the gas at 35°C and 650 mmHg is heated until the pressure reaches
What is the molar mass of a compound if one mole of the compound contains two moles of oxygen atoms, 6.022 x 10^24 hydrogen atoms, and 60.05 grams of carbon?
How much energy (in kilojoules) is released when 22.5g of ethanol vapor at 97.0 Celsius is cooled to -10.0 Celsius? Ethanol has mp = -114.5 Celsius = 78.4 , = 38.56 and = 4.60 kJ/mol . The molar heat capacity is 113 J/(k.mol) for the liquid and 65..
Calculate the cell potential for the following reaction as written at 69 °C, given that [Mg2 ] = 0.876 M and [Fe2 ] = 0.0160 M. Standard reduction potentials can be found here.
what is the pressure exerted onto the closed end of an apparatus if the atmospheric pressure is 720 torr and the height of the water is 22.3 cm.
Lactic acid, C3H6O3, is a monoprotic acid that is available in solid form. Determine the concentration of an unknown solution of sodium hydroxide, in moles per litre, given that it takes 18.34 mL to neutralize a solution containing 0.821 g of lact..
On the basis of the solubility rules, write a balanced molecular equation for the precipitation reactions that take place when the following aqueous solutions are mixed. If no precipitation reaction is likely for the reactants given
How many mL of .150M bacl2 are needed to react with 35mL of .200M na2so4? How many grams of BaSO4 will be formed?
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide. cyclohexane occurs as the cis cycloalkene rather than the trans isomers. explain
Calculate the total mass of the protons and electrons in 19/9F. Use 1.007825 amu as the mass of 1/1H(mass of a proton and an electron). Express your answer in atomic mass units to 6 significant figures
The following pairs of soluble solutions can be mixed. In some cases, this leads to the formation of an insoluble precipitate. Decide, in each case, whether or not an insoluble precipitate is formed.
One of the sodium oxoacid salts of chlorine (there are 4 salts, each containing Na, Cl, and O) was analyzed. A 17.00 g sample was found to contain 3.68 g Na and 5.67 g Cl.
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