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Imagine that you have a 6.00L gas tank and a 3.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 115atm to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Acetylene torches are used for welding. These torches use a mixture of acetylene gas,C2H2 and oxygen gas O2 to produce the following combustion reaction:
2C 2 H 2 (g)+5O 2 (g)?4CO 2 (g)+2H 2 O(g)2C2H2(g)+5O2(g) -> 4CO2(g)+2H2O(g)
what is the mass of iron in grams in the sample? a. 0.000904 g b. 0.0559 g c. 0.904 g d. 1.105 g e. 55.85 g
You need to determine value of ?G° for CO(NH2)2(s) + H2O(l) CO2(g) + 2NH3(g)?
How many grams of Au are there in the whole ocean? With a 60% recovery possible, how many liters of seawater must be processed for gold to obtain 1 kg of that metal?
Propane reacts with excess oxygen to produce carbon dioxide gas and water. What volume of CO2,measured at 27.2 °C and 0.918 atm, is produced from the reaction of 10.1 g propane with excess oxygen.
A wildlife biologist is interested in testing the pH of the water in a lake. He obtains a 200. mL sample of the water and titrates this sample with a .050 M NaOH solution.
calculate the average moles of ascobic acid in the pipetted sample used for titration d)Calculate the average moles of ascobic acid in the crushed tablet.
Why does the electron energy threshold of dissociation almost always exceeds the actual dissociation energy in contrast to dissociation, stimulated by vibrational excitation
The flask was removed, was quickly cooled to condense the volatile liquid, dried and weighed. The mass of the flask and the volatile liquid is 34.743 grams
If 25.6 L of NO2 forms, measured at 35°C and 605 mm Hg, what is the percent yield?
The specific heat of fat is 0.45 cal/(g C) and the density of fat is 0.94g/cm^3 . How much energy (in calories) is needed to heat 10cm^3 of fat from room temperature (25 C) to its melting point (35 C).
what will be the theoretical yield of bromobenzene in given reaction as C6H6 + Br2 → C6H5Br + HBr also find out percentage yield when actual yield of bromobenzene was found 56.7 g?
The density of an unknown gas is 2.00 grams per liter at 3.00 atmospheres pressure and 127 degrees C. What is the molcular weight of the gas?
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