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Excessive quantities of wash water are added to the CaC2O4.H2O precipitate. Will the mass of the CaC2O4.H2O be reported too high, too low, or remain unaffected? Explain
the nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 x 103 Calories. Express this energy equivalence in joules.
calculate the molar mass of an unknown gas if 0.192 grams of the gas occupies a volume of 293 ml at 754.7 mm Hg and 22.5 degrees celsius.
In the laboratory a student finds that it takes 33.1 Joules to increase the temperature of 11.5 grams of solid lead from 20.3 to 39.9 degrees Celsius.
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
Calculate the value of the activation energy for decomposation of NOCL?
a sample of gas occupies 12 liters under a pressure of 1.2 atm. what would its volume if the pressure were increased to 2.4 atm? assume the the temperature of the gas does not change.
What complementary functional group would need to be present in the neuraminidase active site for (a) hydrogen bonding and (b) ionic interactions to oseltamivir to be observed?
what molecule would give the following mass spec data. this molecule shows three significant fragment ions. Alpha-fragmentation forms the m/z =59 base peak
How many moles of ammonia will be required to produce 10.0 mol of water
Calculate the pH of 9.2E-8 M NaOH, ignoring activity coefficients. Report the pH using the correct number of decimal places.
When the following equation is balanced using the smallest possible integers, what is the number in front of the substance in bold type. Na2S2O3 + I2 ? NaI + Na2S4O6
Rank from longest to shortest distance. To rank the items as equivalent, overlap them.
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