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Consider the compounds with the generic formulas listed below and their corresponding molar solubilities in pure water.
A mouse is placed in a sealed chamber with air at 760.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse
What mass of grams of KNO3 will crystallize out of solution if exactly 475.0 g of its saturated solution at 75 celsius is cooled to 25 celsius?
What is the total volume of gaseous products formed when 82.4 liters of carbon monoxide react completely according to the following reaction? (All gases are at the same temperature and pressure.) carbon monoxide (g) + water (l)------- carbon dioxi..
a beaker containing 250g of water is heated from 23 degrees C to 100 degrees C. what is the heat gain in calories?
Our simple pH meter that we have used before works on the principles deiscussed on page 829. What cell voltage would you expect from the pH probe if it is place into a beaker containing 50 mL of 1M HCl diluted with 50 mL of distilled water
How many moles of Na2SO3 were added to the calorimeter cup if 30.0mL 0.50 M NaOCl and 70.0mL 0.50 M Na2SO3 were combined?
The electron in the He+ ion is excited to the n = 2 principal state. What is the energy of the electron now
Either bulb will be used for 2,000 hours per year at an electricity cost of $0.14/kwh (kilowatt-hour). If the interest rate is 6%, which bulb is more cost effective over 8,000 hours of use based upon a comparision of Net Present Values?
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.
What mass of AgBr would precipitate from this mixture? (Ksp of AgBr is 5.4x10^-13 & Kf of Ag(CN)2^1- is 1.0x10^21)
Name two important forms of injury from electricity and how to avoid them
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