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An ice cube of 15.1 grams is placed into 304 grams of H2O. compute the change in temperature in the H2O upon completing melting of the ice. (Hint: Determine how much heat is absorbed by the melting ice ) use q=mc^T to compute the temperature change of the 304g of water.
if 50.0 of ethanol density 0.789gml initially at 6.0 is mixed with 50.0 of water initially at 28.2 in an insulated
What is the pressure in millimeters of mercury of 0.0100 mol of helium gas with a volume of 211 mL at a temperature of 50^circ C?
An ideal gas at 300 K has an initial pressure of 15 bar and is allowed to expand isothermally to a pressure of 1 bar. Calculate: the maximum work that can be obtained from the expansion
A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g
Which of the above sets of quantum numbers could possibly describe an electron in the ground-state configurations of boron
Discuss the relationship between the proper functioning of enzymes and the tertiary structure of proteins
Classify which reaction is single replacement, double replacement, decomposition, combination and combustion. SiO2+HF--->sIf+H2O C7H10N+O2--->CO2+H2O+NO2 KO2+CO2--->K2CO3+O2 C4H10+Cl2+O2--->CO2+CCl4+H2O Ca3p2+hH2O--->Ca(OH)2+PH3
Using the Solubility Product Constants for Compounds at 25°C from Appendix II of our book, Determine which of the following compounds would be the LEAST soluble. a) Aluminum phosphate b) Calcium hydroxide c) Copper (I) cyanide d) Lead (II) chlorid..
A gaseous reaction occurs at a constant pressure of 45.0 atm and releases 57.1 kJ of heat. Before the reaction, the volume of the system was 9.00 L . After the reaction, the volume of the system was 2.60 L.
What is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m? (Volume=πr2×height)?
Draw the carboxylic acid produced from the acid hydrolysis of butyl acetate (butyl ethanoate)
1. what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane for example
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