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how much heat energy is required to change 1.00*10^3 of ice at -30.0c to steam at 150c? Show steps
What is the brand name of Naproxene? Naproxen is said to be the first NSAID marketed in an enantiomerically pure form. What is a NSAID? What is an enantiomer?
Sulfur dioxide can be produced in the laboratory by the reaction of hydrochloric acid and sodium sulfite. The skeleton equation for this reaction is: Na2SO3 + HCl --> NaCl + SO2 + H2O
What volume (in liters) of 1.04 M KOH solution should be added to a 0.090 L solution containing 9.3 g of glutamic acid hydrochloride (Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95) to get to pH 9.90?
Calculate the standard reaction enthalpy for the reaction above (as written) using the following data: N2(g) + O2(g) -→ 2 NO(g)
The reaction 2A ---> B + C has a Kc of 0.2. The reaction is commenced with initial concentrations [A] = 0.2 M, [B] = 0.2 M and [C] = 0.2 M. In what direction does the reaction occur?
A 0.1019g portion of an aspirin tablet was dissolved in sufficient water to prepare 1.000L of solution. A pipet was used to transfer 10 mL of the solution to a 100 mL volumetric flask.
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
Given the information below, what is the value of the unknown equilibrium constant?
what is the molarity of phosphoric acid in a solution that is 84% by mass phosphoric acid and has a density of 1.87 g/ml?
for 100 degrees had 2 layers which showed the seperation between ether and water. What would be the problem with running TLC to characterize the distillate samples?
the molar heat of combustion of methanol, CH3OH, is -757kJ/mol. If 2g of methanol is placed in bomb calorimeter with heat capacity of 6.5 kJ/c, what is the temperature rise when the sample is combusted?
What quantity of heat would be evolved if 75.00g of mercury (Hg=200.59), (O=16.00) was burned in oxygen?
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