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The average atomic mass of naturally occurring neon is 20.18 amu. There are 2 common isotopes of naturally occurring neon as indicated below.
Determine the osmotic pressure of a magnesium citrate laxative solution which is having 30.0 g of magnesium citrate in 250 mL of solution at 37 C.
Heptanes (C7H16) and Pentane (C5H12) are two hydrocarbon liquids present in gasoline. At 20 °C, the vapor pressure of heptanes is 36.0 torr and the vapor pressure of pentane is 420.torr.
Ammonia is formed using the Haber process in which nitrogen and hydrogen combine, an important source of fixed nitrogen that can be metabolized by plants,
What mass of chlorine gas is required to react totally with 163 g of aluminum when aluminum metal reacts with chlorine gas to form solid aluminum trichloride?
A sample which is having 2.50 mL of low-fat milk was treated with sodium oxalate, and the precipitate was filtered and dissolved in H2SO4.This solution needed 6.20 mL of 4.56 x 10-3 M
A large flask has 9.2 *10^3 liters of seawater. Suppose that the seawater has 6.3% sodium chloride by mass and that its density is 1.13 g/ml. Determine the density of the seawater in units of milli
Given that the charge on Ti is 4+, where a compound is given, TiO2. Analyze the charge on the other ion? Before exchanging ions, which ion has extra electrons and which is deficient? Determine the n
Determine the standard enthalpy of the reaction at 298.15 K and 1.0 bar that results in the production of 13.8 g of SO3 (g) from the following reactants and products :
The dinitrogen Peroxide decomposes into the two gas phase first, nitrogen dioxide and second, oxygen gas. The reaction is first order indinitrogen Peroxide and has a half-life of 2.81 h at 25 degree
Determine the energy that would be needed to separate a 56Fe nucleus (m = 55.92065 amu) into its constituent neutrons and protons. Discuss your answer in kJ/mol, kJ, 1atm/mol, kcal/mol, eV, and hor
Discuss the maximum amount of Ca (NO3)2 in grams that can be prepared from 18.9 g of HNO3 with7.09 g of Ca (OH)2?HNO3 + Ca(OH)2 ® Ca(NO3)2 +H2O
Suppose that all of the sulphur is converted to SO2 so determine the number of grams SO2 would be formed by burning 2.01 kg of bituminous coal that is 5.15% sulphur by mass?
Determine the molecular weight of sulfur and also calculate its molecular format when 0.154 g of sulfur is melted with 4.38 g of champher, the freezing point of champher is lowered by 5.47
Evaluate the pH of the solution resulting when 20.00 mL of 0.050M Lactic Acid is mixed with 10.00 mL of 0.020M Sodium Hydroxide.
At 0 C 100 g of ice is melted heated to 100 C and vaporized at that temperature. These changes are brought about by a heater that supplies heat at a constant rate of 1000 W.
A sample of low-fat milk which is having 2.50 mL, was treated with sodium oxalate, and the precipitate was filtered and dissolved in H2SO4. This solution required 6.20 mL of4.56 x 10-3
Hazardous waste (causes long-term environmental damage) requires to be monitored as it moves from its place of origin to the place where it might be stored. Suggest a list of standard operating proc
Explain the advantages of methane as a source of fuel in industrial and domestic applications. Are there any disadvantages?
Calculate the density of concentrated hydrochloric acid in g/mL when the concentrated aqueous HCl is sold as a 98% (w/w) HCl sol n, which corresponds to a molar concentration of 12.1 M HCl.
The following data represent a determination by comparison with the mass of oxygen as the reference gas of the "molar mass" of a sample of air.
The element antimony has an atomic weight of 121.757 amu and only two naturally-occurring isotopes. One isotope has an isotope mass of 120.904 amu and abundance of 57.3%. Based on these data, Calcul
Explain which solution has the greatest freezing point change? Show calculations.Two solutions are prepared using the same solute:
Suppose you want to make 12.0 dozen cookies so you decide to make these cookies in the batches of 24.0 cookies each and each batch needs 27.0 mL of vanilla extract. Each bottle of vanilla extract ha
Explain the molecular geometry including the bond angles and give the expected hybridization of the central atom for Br3 and draw the Lewis Structure.