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Explain how many grams of the excess reactant are left over according to the reaction below given that you start with 10.0 g of Al as well as 19.0 grams of O2? Reaction: 4Al + 3O2 → 2Al2O3 *
Consider the following reaction: 2 H2(g) + O2(g) → 2 H2O(l) Explain how many moles of H2O are formed from 2.9L of O2 at a temperature of 325K and a pressure of 0.988atm?
22.4 liters of a gas weighs 70g at s.t.p. calculate the weight of the gas if it occupies a volume of 20 liters at 27c
Calcium nitrate and ammonium fluoride react to form calcium fluoride, dinitrogen monoxide, and water vapor. What mass of dinitrogen monoxide is present after 15.0 g calcium nitrate and 17.50 g ammonium fluoride react completely
If 21.0 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.882 g of precipitate, what is the molarity of silver ion in the original solution
Calculate the mass of potassium hydrogen phthalate, KHC8H4O4 (MM is 204.2 g/mol) needed to react completely with 20 mL of 0.1 M NaOH solution.
For a particular reaction the hydroxide ion is one of the reactants. Doubling the concentration of the hydroxide ion, while holding all the other concentrations constant, changes the rate of the reaction from 0.002 to 0.008. what is the order with..
Solve an equilibrium problem (using an ICE table) to calculate the pH of a solution that is 0.185 M in HC2H3O2 and 0.120 M in KC2H3O2
butanes c4h10 molar enthalpy of vaporization is 22.44 kjmol and its normal boiling point is -0.4 degrees c. a 250-ml
A student dissolved 0.1319g of an unknown diprotic acid in 100mL of distilled water. The acid was then titrated with 0.1005M NaOH solution. The second equivalence point showed the sharpest change in pH, and so it was used to determine the molecula..
Stoichiometry of reactions, When a mole of C7H16 is combusted, it reacts with 11 moles of O2. How many moles of CO2 product are obtained? How many moles of H2O product are obtained?
The reaction is 2-methyl-2-butanol and HCl to 2-cloro-2-methylbutane and water. Why polar solvents would be expected to increase the rate of the reaction
what will be the temperature of the system when equilibrium is established? Â (sp Heat of H2O(s) = 2.09j/g . c (sp heat of H2O (l) = 4.18 J/g.c) Heat of Fus. of H2O(s)=333j/g
A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20 cm from the centre of the sphere is 1.5 × 103 N/C and points radially inward
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