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In easy to understand language identify at least two pollutants that destroy the ozone layer. Discuss the origination of these pollutants and a plan for reduction.
What is the mass of the filled container assuming that liquid propane has a density of .585 g/cm3. The total length is 10 ft, the height is 4 ft, and each hemispherical end is 2 ft.
What are the products of a single displacement reaction involving hydrochloric acid and magnesium
when 35.6 l of ammonia and40.5 l of oxygen gas at stp burn nitrogen monoxide and water is produced. after the reaction
A metal sample weighing 45.0g as well as at a temperature of 99.1degrees C was placed in 38.6g of water in a calorimeter at 25.0 degrees C. The calorimeter reached a maximum temperature of 32.8 degrees C.
At 20 degree celcius, how many dissociated H+ ions are there in 167ml of an aqueous solution whose ph is 12.17? and At 25 degree celcius, how many dissociated H+ ion
Calculate the pH of the final solution after 250 mL of a 0.157 mol dm-3 solution of HCl is added to 500 mL of a 0.103 mol dm-3 solution of NaCN (Ka HCN = 6.2 × 10-10).
A student decomposed Potassium Chlorate to create oxygen gas. The oxygn was collected by displacement of water at 22 degrees C and the total pressure was 754 torr.
If 34.5 mL lead(II) nitrate solution reacts completely with excess sodium iodide solution to yield 0.690 g precipitate, what is the molarity of lead(II) ion in the original solution
When the sample burned, the products were CO2 gas and H2O vapor. The CO2 was collected and its pressure found to be 25.2kPa in the same volume and at the same temperature as the original mixture. What % of original mixture was methane
What will be the velocity of the escaping electrons under these conditions? What is the de Broglie wavelength of the escaping electrons?
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4 degrees C.
Do carboxylic acids react with ylids. If not, why would it be bad to have carboxylic acid present during a reaction between benzaldehyde and a ylid
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