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What metal occurs in a vast limestone deposits and combines with oxygen to form an oxide with a formula MO ?
Calculate the standard enthalpy of formation of carbon disulfide (CS2) from its elements, given the following data.
Propose the kinds of attractive forces that might bind congo red to cotton fabric.
If the pressure exerted by ozone, O3, in the stratosphere is 3.0*10^-3 atm and the temperature is 250 K, how many ozone molecules are in a liter?
Complete and balance the equation for this reaction in acidic solution. Phases are optional
An unknown gas having a mass of 2.041 g occupies a volume of 1.15 liters at 0.974 atm and 20 degrees Celcius. Calculate the molar mass of the unknown gas.
Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
One of the product formed when 5-hexen-1-ol is treated with a catalytic amount of sulfuric acid is a cyclic ether
Determination of Molecular SO2 Needed for Protecting Wine, You have just finished fermenting a wine and the pH = 3.7. You need 2mg/L "molecular" SO2 to protect the wine. What level of free SO2 do you have to add to achieve the level of the molecul..
Red phosphorus is fairly stable, while white phosphorus will ignite spontaneously in air above 50 C. Determine the change in entropy for the conversion of the white form to the red form
when 9.8 g of aluminum oxide (Al2O3) decomposes, how many grams of aluminum metal are produced?
A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.
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