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It takes 50.0J to raise the temperature of an 12.0g piece of unknown metal from 13.0 C to 24.0 C. What is the specific heat for the metal?
what will be the theoretical yield of bromobenzene in given reaction as C6H6 + Br2 → C6H5Br + HBr also find out percentage yield when actual yield of bromobenzene was found 56.7 g?
What is the molecular formula of the molecule that had an empiricial formula of C2 H4 S and a molar mass of 180.35% g/molecular.
The volume of a sphere is . A sphere of metal has a radius of 1.56 cm. It has a mass of 147.9 grams. What is the density of this metal?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 63.5 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
A sample containing 0.187 g Cl- is dissolved in 50.0 mL water.How many moles of Cl- ion are in the solution?What is the molarity of Cl- ion in the solution.
Calculate concentration of NaClO solution from that equation and calculate How many grams of this nuclide in a sample of 4.00 g will remain after 112 years?
A 29.0-g sample of water at 250. K is mixed with 51.0 g water at 320. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
suppose a can contains gas at a pressure of 755 mm Hg and a temperature of 25 degrees celsius, what would be the pressure if the can was heated to 1155 degrees celsius ?
Calculate the values of E for the cell when the following volumes of the Ce^4+ titrant have been added. (Activity coefficients may be ignored as they tend to cancel when calculating concentrations of ratios.
Determine what will be the major product expected from chronological treatment of propylbenzene with 1) KMnO 4 , 2) 3)H 3 O + , Cl 2 and FeCl 3 , and iv) Br 2 and FeBr 3 ?
In the acid-base reaction between Sr(OH)2 and HNO3, 0.75 L of 0.85 M Sr(NO3)2 is formed upon the reaction of 0.515 L of HNO3 solution and excess Sr(OH)2.
Compute the number of grams of H 2 SO 4 in 1 gallon of battery acid if the solution is 38.9% sulfuric acid by mass and has a density of 1.33g/mL ?
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