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A 21.60 g piece of iron and a 27.70 g piece of gold at 100.0 degrees celsius were dropped into 530.0 mL of water at 18.95 degrees celsius. The molar heat capacities of iron and gold are 25.19 J/(mol x degrees celsius) and 25.41 J/(mol x degrees celsius), respectively. What is the final temperature of the water and pieces of metal?
discuss in detail the healthcare applications of chemical reactions. which chemical reactions would you consider to be
a 70g piece of ice at 0c is added to a sample of water at 6c, all of the ice melts and the temp of the water decreases to 0c, how many grams of water were in the sample?
does it mean that the solution will shift towards the products because there is excess of reactants? what does it mean when the solution is orange (is it shifting towards products or reactant)?
1)MgBr2 and Pb(NO3)2 2)CuSO4 and H2S write ionic equation (molecular reactions, ionic equations and net ionic equations indicating the spectator ions in these reactions)
Calculate the work done by the gas if it expands against a constant pressure of 5 atm. -Answer is -1.14x10^4 J but just need to know how to get there.
It takes 33 melt 3.51 joules to exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?
The equilibrium constant for the reaction of bromine with chlorine to form bromine monochloride is 58.0 at some temperature. Br2(g) + Cl2(g) ! 2 BrCl(g) What is the value of the equilibrium constant for the following reaction?
Using active extraction (changing the polarity) and a gravity filtration to remove a component, describe how you would obtain pure naphthoic acid from this mixture.
At 25 °C only 0.0630 mol of the generic salt AB2 is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C
The Kingston Steam Plant burns 14,000 tons of coal each day and generates 1010 kilowatts-hours of electricity each year (enough for 700,000 homes). Coal is primarily carbon which undergoes combustion in the following reaction
What can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of hydration?
Acid-catalyzed dehydration of 2,2-methyl-1-hexanol gave a number of isomeric alkenes including 2-methyl-2-heptene. Write a step-wise mechanism for the formation of 2-methyl-2-heptene. Draw and name the other alkenes you think are formed in this re..
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