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How grams of potassium permanganate are need to decolorize one gram of 2-pentene in basic solution.
The production of iron and carbon dioxide from Iron (3) oxide and carbon monoxide is an exothermic reaction? how many kj of heat are produced when 3.40 mol Fe2O3 reacts with excess of CO.
Instant cold packs used to treat athletic injuries contain solid NH4NO3 and a pouch of water. When the pack is squeezed, the pouch breaks and the solid dissolves
What is the density of a block of marble that occupies 253 cm3 and has a mass of 752 g?
What would you expect to happen if an unknown solution that may contain ions from Groups I through IV were treated with Na2CO3 under basic conditions?
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
The compound KB5O8·X H2O was analyzed and found to contain 24.6% of water. If the formula weight of this compound is 293.15 g/mol, what is the number of water molecules (X) in the formula?
if 6.73 g of Na2CO3 is dissolved in enough water to make 250 ml of solution, what is the molarity of the sodiam carbonate?
the molecular orbital theory provide an explanation for the existence of the covalent molecule Na2 in the gaseous state. How would you predict Na2 by the Lewis theory?
If the pistons in the four cylinders are each displaced with a pressure of 1.52 kbar and each cylinder is ignited once per second, how much work can the engine do in 1.00 minutes?
Calculate the molar mass of X. 2.Identify the element symbol for X F2+2XBr -----> Br2+2XF
The equilibrium constant, Kc, for the following reaction is 7.00E-5 at 673 k. Calculate Kp for this reaction at this temperature.
n Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 40.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe.
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