Determining the delta temperature
Fifty grams of NH4Cl was dissolved in 100 mL of water. The calculated delta heat for the reaction was +15.2 kj. What is the delta temperature obtained in this experiment?
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0.8720-g sample of mixture consisting solely of sodium bromide and potassium bromide yields 1.505 g of silver bromide. What are the percentages of the two salts in the sample.
Topper Toys has developed a new toy called the Brainbuster. The company has a standard cost system to help control costs and has established the following standards for the Brainbuster toy.
Potassium metal is very reactive with liquid bromide. The result of the reaction is the formation of a ionic solid. Explain what happens to the elements when they form the ionic compound, and identify the ionic compound.
What law states that mass and energy can be changed from one form to another but their sum remains constant?
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For the reaction A+B+C → D+E, the initial reaction rate was measured for various initial concentrations of reactants. What is the reaction order with respect to A?
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