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Because of the high heat and low humidity in the summer in Death Valley, California, a visitor requires about one quart of water for every two miles traveled on foot. Calculate the approximate number of liters required for a person to walk 10. kilometers in Death Valley.
What is the molecular geometry of a molecule with 3 outer atoms and 2 lone pairs on the central atom
the labels of bottles that contain barium hydroxide, hydrochloric acid and sodium carbonate had fallen off. When the contents of the bottle A were mixed with B's Contents, a white precipitate formed, A with C yielded a gas and B with C gave heat.
Why is the identity of a gas not included in the combined and ideal gas law? Please give example.
Calculate the pOH of a solution that results from mixing 27 mL of 0.11 M ethylamine (C2H5NH2) with 45 mL of 0.11 M C2H5NH3Cl.
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
How many grams of silver nitrate are required to produce 44.00 g of aluminum nitrate?
Calculate the maximum %recovery, assuming a 15.0ml recrystallizing solution is filterd at 10 degree celcius. The solubility in water is 0.040 grams per 100 ml at 10 degree celcius.
for a certain change, the value of change in U is -2.37kJ. during the change the system absorbs 650 joules. how much work did the system do?
a solution contains 29 g of sucrose c12h22o11 a nonelectrolyte dissolved in 929 g of water. what is the boiling-point
You react 25.0 g hydrogen gas with 73.7 g oxygen gas. Determine the mass of water that can be produced from these reactants
a how many atoms of helium gas fill a spherical balloon of diameter 31.0 cm at 18.0degc and 1.00 atm?b what is the
On the basis of general solubility rules, predict the identity of the precipitate that forms when aqueous solutions of the following substances are mixed.
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