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A box contains a mixture of small copper spheres as well as small lead spheres. The total volume of both metals is measured by the displacement of water to be 423cm3 as well as the total mass is 4.27kg. Explain what percentage of the spheres are copper?
Calculate the following to determine Kc for FeSCN2+. a,) moles Fe3+ initially present. b.) moles SCN- initially present
The specific heat cacpacity of solid copper metal is 0.385/Jg-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0 0C to 77.5 0C
Each was extracted with three 5-mL aliquots of CCl4 containing an excess of 8-hydroxyquinoline. The extracts were diluted to 25 mL and their fluorescence was measured. What is the concentration of the zinc in the unknown solution Volume of Zn sta..
An electrolyte or a nonelectrolyte
Use data from Table 7.2 in the textbook to calculate the volume of butane,C4H10, measured at 16.3 Celsius and 749 mmHg, that must be burned to liberate 9.00×104 J.
Old aspirin tests positive to a FeCl3 test, and so does aspirin that is heated in boiling water, why. Write the chemical reaction of aspirin and water at high temperatures.
Calculate the change in pH of rainwater resulting from an increase in the Pressure of CO2 from 10^-3.5 atm to 10^-3.0 atm due to fossil fuel emissions
a hot tub is filled with 460 gallons of water which has a density of 1.0 . what is the volume of water in the tub in
how much heat will be released when 6.44 grams of sulfer reacts with excess oxygen according to the following equation?
A 2.45-g sample of strontium completely reacts with oxygen to form 2.89 g of strontium oxide. Use this data to calculate the mass percent composition of strontium in strontium oxide.
If 3.25 L of ammonia react with an excess of oxygen to form nitrogen monoxide and water steam, what volume of water steam will be produced? The pressure and temperature stay constant. A. 2.04 L B. 2.17 L C. 3.33 L D. 4.14 L E. 4.88 L e is righ one
What is the name and structure of the gas produced in the reaction between calcium carbide and water
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