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Write an equation for the following reactions. Remember that gases of elements such as oxygen are diatomic (O2). Write the correct formulas of the reactants and products. then correctly balance each equation. a. Potassium and oxygen gas react to form potassium oxide. b. Sodium and water react to form sodium hydroxide and hydrogen gas. c. Iron and oxygen gas react to form iron (III) oxide.
A 335 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 628 mmHg. Calculate the moles of Ar present.
What is the value of Keq for the reaction H2(g) + 1/2 O2(g)-> 1/2 H2O(l)?
A camping lantern uses the reaction of calcium carbide, CaC2 (s) , and water to produce acetylene gas C2H2 (g) , and calcium hydroxide, Ca(OH)2 (s) . How many grams of water are required to produce 1.55 moles of acetylene gas
A bottle of nail polish remover contains 182 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788mL.
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
How many kilograms of CO2 are produced from the complete combustion of 1.00L of gasoline assume that the gasoline has the formula C8H18.
The heat of reaction for the combustion of cyclobutane, C4H8, is 650.3 kcal/mol. What is the heat of combustion for cyclobutane in kcal/gram?
what is the freezing point(Degrees C) of a solution prepared by dissolving 11.3g of Ca(NO3)2 ( formula weight= 164g/mol) in 115g of water?
44.0 mL of 0.140 M and Na2SO4 and 25.0 mL of 0.160 M KCl Indicate the concentration of each ion present ?
If 75 g of liquid water (C = 4.18 J/g-oC) in a calorimeter changes temperature from 25°C to 75°C, how much heat was transferred? Use the equation C = q/mT.
An element has two isotopes with masses of 62.9396 u and 64.9278 u,and 30.83% of the atoms are the heavier isotope. Calculate the atomic mass of this element and give its name and symbol.
A mixture of 2.00 moles of H2, 3.00 moles of MH3, 4.00 moles of CO2, and 5.00 moles of N2 exert a total pressure of 350kPa. What is the partial pressure of each gas?
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