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1. Find the pH of a solution that has a concentration of hydrochloric acid equal to 0.001 M. 2. Find the normal pH of rainfall (not acid rain). Would a rain sample with a pH of 5.0 be considered "acid rain?"
Archeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive slope 14C present in the object. The amount of isolope decreases in a first-ordrr process.
The standard enthalpy of formation for ammonia NH3 is -46.2kj/mol. How much heat is released/absorbed when 1 mole of N2 is reacted with three moles of H2 to produce ammonia
What is the difference between the virial equation of state and the SRK equation of state? When would you use one versus
If a cylinder of NO has a volume of 20.00L and a pressure of 26.98 atm at 20 degrees Celcius, what is the mole fraction of NO knowing that there are 21.55moles of Nitrogen?
determined the acid ionization constant (Ka) for the acid to be: Ka = 2.53 X 10-6. What is the weak acid and what is Kb for the conjugate base of the weak acid?
a 25.0 ml sample of H3PO4 requires 50.0ml of 1.50ml M NaOH for complete neutralization. what is the molarity of the acid?
Why don't we observe the deBroglie wavelength of everyday macroscopic objects (such as a moving car or a thrown baseball)? The wavelength is too small relative to the size of macroscopic objects to be observed.
How many grams of NaF form when 0.580 mol of HF reacts with excess Na2SiO3?
What mass of ammonium chloride (mm = 53.49 g/mol) must be added to 335 mL of 0.559 M NH3 to create a solution of pH 8.20
Describe how and why the ferric chloride test can be used to detect whether your reaction has gone to completion.
A 1-L flask is filled with 1.20g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.15 atm. A) What is the partial pressure of argon, P Ar , in the flask
The GMC Sierra 15 Hybrid 2WD, a hybrid electric vehicle, has an EPA gas mileage rating of 23.0 mi/gal on the highway. How many kilometers can the Sierra 15 Hybrid 2WD travel on the amount of gasoline
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