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Problem- Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant. For example, the residual pressure in a can is 1.21atm when it is sitting on a shelf at 23 ?C. If the can is placed on top of the furnace where the temperature reaches the boiling point of water, what is the pressure inside the can?
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Give the formulas of all new molecules or ions formed when solutions of the following are mixed. If there is no reaction write "N.R." (a) Cl-, Br- , I-, Fe3+ (b) Fe2+, Br2 water
A geothermal system is initially more expensive to set up than a conventional heating and cooling system but the annual operating cost are much cheaper
describe one or more simple chemical tests that would distinuish acetaminophen from ibuprofem
For the reaction 2KClO3(s) --> 2KCl(s) + 3O2(g) delta H = -91.0 kJ a) what is delta h for the reaction-------------------------------2KCl + 3O2 ---> 2KClO3 b) what is the delta H for the reaction-------------------------KClO3 ------> KCl + 3/2 O2
When aluminum is produced by electrolysis we get 5.68 tons of aluminum and 5.04 tons of oxygen. What is the empirical formula of the compound that is being electrolyzed
a solution containing 3.47mm x analyte and 1.72 mm s standard gave peak areas of 3473 and 10222 respectively in a
Does that indicate the original alcohol is in that mixture? What is the source of 2-bromopentane?
what masses of glaubers salt must be used to provide 6 mol of sodium
The human body contains 63% H, 25.5% O, 9.45% C, 1.35% N, 0.31% Ca, and 0.22% P, plus several elements present in smaller quantities. Are these mass or mole percents
c2h4g o2g co2g h2oghow many moles of o2 would be required to react with 0.640 moles of c2h4 in the above unbalanced
An unmeasured surplus of KI was added to a 20.00-mL aliquot of the diluted sample the iodine liberated in the reaction OCl- + 2I- + 2H = I2 + Cl- + H2O needed 34.50mL of 0.0409 M Na2S2O3. Compute the weight-volume percentage of NaOCl in the sample..
Calculate the millimoles of sodium hypochlorite used in the reaction: 2.3mL of a 5.25% solution (Clorox). Compare this value with the quantity of cyclohexanol to be used in the reaction. Would you describe the oxidant as being present in slight ex..
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