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A 23.45g piece of iron and a 29.95g piece of gold at 100.00C were dropped into 530ml of water at 16.05C. The molar heat capacities of iron and gold are 25.19 (j/mol x C) and 25.41 j/(mol x C). respectively. What is the final temperature of water and pieces of metal?
propose a synthesis of teflon (polytetraflauroethlene). What starting materials are required? What type pf reaction would be used to achieve polymerization
What is the maximum wavelength of light capable of removing an electron from a hydrogen atom in the energy states characterized
What is a good solvent substitute for ethyl acetate between diethyl ether, octane, octene, octyne, and acetone?
What is the pH (3 significant figures to the right of the decimal point) of a 0.0500 M solution of sulfuric acid? Remember, the first ionization constant is "large,"
A gas has a volume of 263 mL at 729 torr. What volume will the gas occupy at 368 torr if the temperature of the gas doesn't change?
What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 155 min using a constant current of 15.0 A? (F = 96485 C/mol)
Which silver salt will precipitate first? Show calculations to support your answer. What is the concentration of Ag+ when the first precipitate begins to form?
How much heat is required in kJ to melt 60.7 g of manganese at its melting point? The heat of fusion of manganese is 12.9 kJ/mol
Calculate the amount of heat liberated (in kJ) from 417 g of mercury when it cools from 64.0°C to 12.0°C.
What is the density of a rock that weighs 10 grams and displaces water in a graduated cylinder from 100 to 120 mL.
Draw the molecule by placing atoms on the grid and connecting them with bonds
How many grams of silver and how many grams of chloride ions are in 1 L of solution?
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