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Explain briefly why CuSO4 is more soluble in water than in organic (nonpolar) solvent. Why is the reverse true for salicylic acid?
In an excess amount of oxygen, how many grams of CO2 (g) are theoretically produced from the combustion of 901.0 g of glucose [C6H12O6 (s), molar mass of 180.2 g/mol]?
The air we breathe is approximetly 20% oxygen. the reaction for the complete combustion of acetylene is 2C2H2 + 5O2 ------> 4CO2+ 2H2o
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate.
Calculate mass, mole fraction and avg. molecular weight of air, Calculate the constituent (a) mass, (b) mole fraction (c)average molecular weight of air at 25 degree centigrade, 1 atm, and molar density of all listed gases
Acetylene gas (C2H2) is produced as a result of the following reavtion. CaC2(s) + 2H2O(l) yield C2H2(g) +Ca(OH)2(aq)
Phenylacetic acid (C6H5CH2COOH) is one of the substances that accumulates in the blood of people with phenylketonuria, and inherited disorder that can cause mental retardation or even death
What are two primary advantages of using nuclear power? Uranium reserves on our planet are 5 million metric tons.
an aqueous CaCl2 solution has a vapor pressure of 81.1 mmHg at 50 C. The vapor pressure of pure water at this temperature is 92.6 mmHg.
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?
Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN
at 75 degrees celsius, a gas has a volume of 3.22 dm^2. What volume will it occupy at 75 k?
If 3.8kcal of energy is released when 1 gram of glucose is combusted, how many kcals are released when 0.689 moles of glucose are combusted
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