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Given the tabulated data, what is the lattice energy of crystalline calcium chloride?
heat of sublimation for calcium +178 kJ/mol first ionization energy for calcium +590 kJ/mol second ionization energy for calcium +1145 kJ/mol heat of dissociation for chlorine +122 kJ/mol(Cl) electron affinity for chlorine -349 kJ/mol heat of formation for calcium chloride -796 kJ/mol
a 97 gram solution of silver nitrate contains 21 grams of AgNO3. what is the percent by mass of silver nitrate in this solution?
Calculate How many mL of the HCl solution was required for the titration.
Describe spectroscopic or chemical tests to distinguish between the following pairs of compounds
A 26.1 g sample of pure iron at 77°C is dropped into 93 g of water at 17°C. What is the final temperature of the water-iron mixture.
How do you determine the number of protons and neutrons in an atoms' nucleus and the number of electrons in its first and second shells?
Question : Explain and show how you would sythesise the following compounds, starting with benzene or toluene and any necessary acyclic reagents. Assume para is the major product.
1.0 atm pressure of oxygen is 0.041g/L. The solubility of oxygen in water at 3.0 atm and 25 C is _____ g/L.
Solid soduim reacts violently with water producing heat hydrogen and sodium hydroxide. How many moeclues of hydrogen gas are formed when 48.7 g of sodium are added to water.
Explain the structural feature of Acetanilide molecule - Identify one structural feature of the acetanilide molecule
How many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?
A canister is filled with 320 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the canister is empty.
What volumes of the stock solution will you have to pipet into the flasks to prepare standards and What mass of gas does the container contains If the volume of a container
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