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What is the activation energy for a reaction whose rate is tripled by a temperature increase from 22.5°C to 58.0°C?
100g of water (specific heat=4.184 J/g*C) and 100g of a metal sample (specific heat=0.397 J/g*C) are heated from 25 degrees celcius to 75 degrees celcius. Which substance required more thermal energy to reach 75 degrees celcius?
Determine what volume of .1 M HBr is required to neutralize 50 ml of .140 M Barium hydroxide and determine the normality of a solution consisting of 10.51 mg of NaOH in 591 mL of solution
Calculate the number of moles in each of the following quantities.a) atoms of each element in 3.35 moles of aspirin(C9H8O4)
An unknown liquid with a boiling point of 58 C at 670 mmHg is soluble in water, cyclohexane and alcohol, what's the liquid.
Kinetic Molecular Theory states that particle collisions are elastic,but energy and collisions of the particles are proportional to the absolute temperature, but the more collisions according to Henry's law, the more gas dissolves.
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction.
Consider the open ammonia-water system with a partial pressure of ammonia pNH3 = 10?5 atm. What is the equilibrium pH and composition of this solution?
Calculate the molarity and the molality of an NH3 solution made up of 37.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
what is the theoretical and percent yields of ethanol if 648 grams of sucrose undergoes fermentation and 349 grams of ethanol is obtained.
A student analyzed an antacid tablet from a bottle containing 120 tablets purchased for $2.79. The mass of the tablet was 1.247 grams. What is the cost of one antacid tablet in cents/tablet.
Draw the amine from the following: A Hofmann degradation of a primary amine forms an alkene that gives butanal
Blood is essentially an aqueous solution but it must transport a variety of non polar substances hormones for example
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