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some inexpensive humidity detection systems consist of a piece of paper saturated with Na2CoCl4 that changes colors in dry or humid air. what color is the piece of paper in dry air? what color is the piece of paper in humid air?
Important information about Hydroboration reaction, In one experiment you combine 1-hexene which is reacted with H2SO4 with water as the solvent and the compound produced is 2-hexanol, and in another experiment you have 1-Methylcyclohexene
Determine how much heat is released at constant pressure if 471.0 g of NO2 is produced,?
Compute KP at this temperature If the pH of an aqueous solution is 8.23, what are the hydrogen- and hydroxide-ion concentrations of this solution?
If a 1.7 reaction vessel initially contains 730 of at 25 , what partial pressure of will be present in the vessel after 200 minutes?
What would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in state, C= 12.47 J/Kmol.?
Chemical analysis of the two compounds reveals that 0.25 mol ACl 2 has a mass of 100.0 g and 0.50 mol BCl 2 has a mass of 125.0 g. Determine what are the molar masses of ACl 2 and BCl 2 ?
How much heat is evolved when 9.07 x 105 g of ammonia is produced according to the following equation:
If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?
A particular coal contains 2.92% sulfur by mass. When this coal is burned, the sulfur is converted into sulfur dioxide gas. The sulfur dioxide gas then reacts with calcium oxide to form solid calcium sulfite
Consider the following reaction. N2 + 3 H2 → 2 NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
Calculate the volume of air at 26 degrees Celsius and 0.92 atmosphere that is needed to burn completely 11.47 grams of pentane.
heat capacity of the bomb calorimeter is known to be 10.6 kJ/C From previous measurements,. Now determine the mass percent of naphthalene(C10H8) in the sample?
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