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C3H8(g)+5O2(g)->3CO2(g)+4H2OIf 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
A sunscreen preparation with a density of 2.82 g/mL contains 3.55% by mass zinc(II) oxide. Each tube is filled with 185.0 mL of sunscreen. If you are the manufacturer and use 5.00 lb of zinc(II) oxide.
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
A 80.0 mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 40.0 mL of KOH.
Calculate the rate at each time interval & average rate for the reaction and determine the rate of each time interval, and then calculate the average rate for the reaction in terms of [H 2 O].
Advantages and disadvantages of using Alternative Fuel and Would you consider buying one of these in the future? Why or Why Not and Why do you think there are not more of these vehicles in use?
the standard molar enthalpy of vaporization for water is 40.79kj/mol. what mass of steam is required to release 500. kj of energy upon condensation.
Determine number of moles of oxygen molecules are in the cylinder and compute the mass of solid C 2 H 3 NaO 2 required mixing with 60.0mL of .125M C 2 H 4 O 2 to form a ph 4.20 buffer?
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
How many molecules of carbon dioxide are produced when 129 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
if 40.0 kJ of energy is absorbed by 500.0 g of water at 10.0 degrees celcius what is the final temperature of water?
An industrial hygiene survey has been conducted to determine whether exposure of workers to ethyl benzene (molecular weight 106) exceeded the OSHA PEL of 100 ppm.
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