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When the following equation is balanced using the smallest possible integers, what is the exponent of N2O in the reaction quotient expression?
N2O(g) + H2(g) <=> NH3(g) + H2O(g)
which type of bond has one pair of electrons shared between atoms? a) single covalent b) coordinate covalent c) double covalent d) metallic
Give a set of variables that is sufficient to specify the thermodynamic state a homogeneous pure substance
A 29.95g piece of iron and a 21.40g piece of gold of 100C were dropped into 820mL of water at 25.85C. The molar heat capacity of iron is 25.19J/mol*C and 25.41C/mol*C of gold. What is the final temperature of water and pieces of metals
Write the IUPAC name of the expected product(s) for the oxidation of each of the following compounds. A. 2-pentanol
Meals-ready-to-eat (MREs) are military meals that can be heated on a flameless heater. The heat is produced by the following reaction: Mg(s) + 2 H2O(l) ? Mg(OH)2(s) + H2(g)
A sample of commercial concentrated perchloric acid is 11.0 M HClO4 and has a density of 1.60 g/mL. Calculate the mass %, molality and mole fraction of HClO4.
The Ksp of lead(II) carbonate, PbCO3, is 7.40 × 10-14. Calculate the molar solubility of this compound.
When adjusted for any changes in and with temperature, the standard free energy change at 2400 is equal to . Calculate the equilibrium constant at 2400.
What is the molarity of Cl- ions in a solution prepared by dissolving 5.0 g NaCl (molar mass=58.44) in 1.5 L of 0.025 M AlCl3
What concentration of CO3^2- is need to initiate precipitation. Neglect any volume changes during the addition.
Determine how many milliliters of this solution should you dilute to make 100.0mL of 0.250M Ammonia(NH3)?
An automobile gasoline tank hold 21kg of gas. When the gasoline burns, 84kg of oxygen is consumed and carbon dioxide and water vapor are produced. What is the total combined mass of carbon dioxide and water that is produced?
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