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How many grams of propane must be burned in order to convert2.32moles of water at 56.0 oC to steam at 100.0 The enthalpy of combustion of progane is 2044.0 kJ/mole
The density of Hg (l ) is 13.6 g/mL. Compare this heat energy transfer with the amount needed to vaporize 0.500 mL water. See Table 11.2 for the molar enthalpy of vaporization of H2O.
A thief plans to steal a gold sphere with a radius of 30.0 cm from a museum. If the gold has a density of 19.3 g/cm^3, what is the mass of the sphere?
determine its (a) electronic geometry, (b) number of nonbonding domains on the central atom, and (c) polarity of the molecule. Remember, that molecules that have zero nonbonding domains on the central atom AND have all of the outer atoms the same ..
Calculate the molarity of Ba(OH)2 solution if a55.00 mL portion of this solution
Draw the structures of the products of the neutralization reaction between methylamine and acetic acid. Include lone pairs on the appropriate atoms.
Sulfur trioxide is used in the industrial production of sulfuric acid. The industrial and natural conversion of sulfur dioxide to sulfur trioxide can be represented by the following reaction
solid sodium reacts violently with water produing heat hydrogen gas and sodium hydroxide. how many molecules of
Calculate: a.the rate constant b.the half-life at 500 C c.how long will it take to decompose 65% of the drug?
The thermochemical equation representing one process used for the synthesis of ammonia involves the equilibrium shown, N2(g) + 3 H2(g) 2 NH3(g) For this reaction, DH° = -92.2 kJ, DG° = -33.4 kJ. All things considered, one concludes that Question 1..
Predict what product favored reaction will occur when potassium metal is dropped into liquid water. Write a balanced chemical equation for the process and explain breifly how you made your predicition.
What mass of silver bromide will form when 25.00 mL of a 0.0675 M MgBr2 solution is combined with 30.00 mL of 0.100M AgNO3
at equilibrium, it was found that the concentrations were: .0584M for H2, .0195M for N2 and .430M for NH3. What was the initial concentration of ammonia
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