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Mg +2HCl-> MgCl2 + H2what volume of Hydrogen at STP is produced from the reaction of 50.0g and the equivalent of 75 g of HCl? Also, How much of the excess reagent is left over?
Assume a wind turbine with a hub 50 meters above the ground, a rotor diameter of 60 meters and a wind-conversion efficiency of 25 percent. The turbine operates in an area with an average wind-power density of 700 watts/sq meter at 50 meters altitude.
A 250.0 mL aliquot of 2.50 M H2SO4 solution is mixed with a 250.0 mL aliquot of 4.00 M HNO3 solution. What is the molarity of hydrogen ions in the combined solution.
The international unit for weighing diamonds and determine the volume of a 0.76 carat diamond if The density of diamond is given=3.51 g/cm3 ?express your answer in units of cm3
Water (2290g ) is heated until it just begins to boil. If the water absorbs 4.99×10^5J of heat in the process, what was the initial temperature of the water.
Determine the pressure in Standard atmospheres,Torr and mm Hg units when A gauge on compressed gas cylinder reads 1500 psi ( pounds per square inch; 1 atm =14.7 psi).
A sample of carbon dioxide gas occupies 617 mL at 0.812 atm and 11?C. What will the pressure be at a volume of 717 mL and a temperature of 16?C?Answer in units of atm
In which compound does sulfur have the highest oxidation number a)Na2S2O3 b)NaHS c)H2S d)KHSO3 e) CuSO4
Which of the following describes the best way to prepare 500. mL of a 0.20 M solution of benzene (C6H6?)?(78.11 g /?mol) dissolved in carbon tetrachloride (CCl4?)?(153.82 g /?mol).
Determine how many moles each of Na+ and Cl- are in 0.700 L of the saline solution (A physiological saline solution contains 167 mEq/L each of Na+ and Cl-.)?
How many mL of 0.220 M of NaOH are needed to completely hydrolyze 2.40 grams of propyl acetate.
Find the new volume of the gas sample - What is the new volume of the gas sample
Determine how many moles of Trisodium phosphate would be required to react with 4.0mol of Silver Nitrate?
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