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Which substance would provide the best protection for an iron pipe buried in the ground? for a lead pipe? Ag, Au, Cu, Mg, and Zn
Although the planet Venus is similar in size and composition to the Earth, the atmosphere is not conductive to life. The average temperature is about 740 K
if the pressure inside of the eudiometer is equalized to barometric pressure (0.987 atm), what is the pressure of the oxygen gas in the eudiometer?
What is the pH of a buffer that results when 0.50 mole of Na3PO4 is mixed with 0.75 mole of HCl and diluted with water to 1.00 L? The acid dissociation constants for phosphoric acid
A 2.00-g sample of a large biomolecule was dissolved in 19.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
calculate the H3O+ concentration in an aqueous solution at 25*C with an OH- concentration of 3.00 x 10^-2M
A traveling wave is produced on a rope. The wave travels until it hits a wall and it is reflected. If the speed of the wave is 1.8 m/s and it takes 6.5 s to get back to the starting point, how long (m) is the rope. Round to two decimal places, do ..
What is the pH of an aqueous solution with a hydrogen ion concentration of [H ] = 9.4 × 10-7 M?
How many grams of Ag3PO4 can be produced from the reaction of 2.50 L of a 0.200M AgNO3 with an excess of 0.750 K3PO4 solution according to the following equation?
An infant ibuprofen suspension contains 100 mg/5.0 mL suspension. The recommended dose is 10mg/kg of body weight.
Calculate the concentration of ions in the following saturated solutions. Al3+] in Al(OH)3 solution with [OH -] = 2.6 10-9 M
A mixture of nitrogen and oxygen gas is collected by displacement of water 30 degrees celsius and 700 torr Hg pressure. If the partial pressure of nitrogen is 550 torr Hg, what is the partial pressure of oxygen? (Vapor pressure of H2O at 30 degree..
what volume of 0.366M Ni(NO3)2 is required to completely react with 55.8 ml of 0.500M Na2CO3.
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