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Each tire of an automobile is equipped with a relief valve such that the pressure inside the tire will not exceed 240 kPa (gage). A motorist starts a trip with a tire pressure of 200 kPa (gage) and an air temperature of 23oC in each tire. Initially, each tire contains 0.11 kg of air. During the long drive, the temperature of the air inside the tires reaches 83oC. (a) Determine the mass of air that escaped each tire over the course of the trip. (b) What will the tire pressure be when the air inside the tires (at end of trip) returns to 23oC? Hint: For part (a), you may assume the max pressure was reached (state 2), which allowed the air to escape.
Calculate the molar solubility of barium sulfate a) in water, and b), in a solution containing 0.60 M of sodium sulfate.
a solution is prepared by adding 50.0ml of 0.050m HBr to 150.0ml of 0.10m HI .calculate the concentrations of all species in this solution HBr and HI are both considered strong aicds ?
determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
The company is interested in the drug's value because only the dissociated form of the chemical is active in preventing cholesterol buildup in arteries.
The concepts of sensitivity and detection limit are often used interchangeably. Specify the difference between these two concepts.
An impure sample of potassium hydrogen phthalate, KHP, having a mass of 84.02 g was dissolved in water. This acid sample was neutralized by the addition of 536.0 mL of 0.125 M NaOH.
What is the order of stability of these three isomers based on their steric energies. and Why.
Calculate the equivalent height a column of mercury would have if mercury were esed instead of wted in the flask.the density of mercury is 13.6 g/cm3
If the colder block orginially weighed 200g and the warmer one 100g. calculate the final temperature and the entropy change of the universe for this process
For the overall reaction A + 2B > C which of the following mechanisms yields the correct overall chemical equation and is consistent with the rate equation below? rate = k[A][B]
You would like to create a reflection grating like the one shown at the right, with an incident angle (θ) of 43 °. Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions:
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