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Ethyl chloride , a substance used as a topical anesthetic, is prepared by reaction of ethylene with hydrogen chloride: C2H4(g)+HCl(g)?C2H5Cl(g) Delta H degrees = -72.3 kj
What is the value of delta E (in kilojoules) for the reaction.
Calculate the mass of emitted into the atmosphere upon accelerating the from 0.0 to 67.0 . Assume that the required energy comes from the combustion of octane with efficiency.
A sample of nitrogengas has a volume of 32.4 L at 20 degrees celcius. The gas is heated to 220 degrees celcius at a constant pressure. What is the final volume of nitrogen
Which group 5 oxide dissolves in water to give the most basic solution. A) As4O10 B) P2O5 C) N2O5 D) P2O3 E) Bi4O6
How do I find the delta H for the neutralization reaction given: HCl+NaOH-->H2O+NaCl using 0.05L of .5M HCl 0.055L of .5M NaOH Delta T=3.4Kelvin moles of H2O formed=.025moles of H2O
How much heat is required to warm 211 g of ice from -45.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
A 50.00-mL sample of white dinner wine required 24.76 mL of 0.03867 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid
gaseous sulfur trioxide can be catalytically decomposed by flowing the gas down a heated tube. the reaction depends on
Calculate the pH of a solution that is 0.253M in nitrous acid (HNO_2) and 0.111M in potassium nitrite (KNO_2). Acid dissociation constant
calculate the number of moles of agcro4ksp9.0x1012 that will dissolve in 1.00l of 0.010 m k2cro4 solution. what will be
Calculate the mass (in mg) of KCN needed to make 500. mL of aqueous KCN solution with a pH of 10.00.
Given the equation HCl + NaOH--> H2O + Na+ Cl-, how many moles of water are produced in this reaction. Additional info: .500M HCl used, .500 M NaOH used, and delta H^0 is known to be -57.86 kJ/mol water formed
KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 18.81 mL to reach a phenolphthalein end point. What is the molarity of the KOH solution
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