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When A tank of oxygen gas has a pressure of 4.3 atmospheres at room temperature (25 degrees C). During a fire, it was expected by the fire department report that the tank temperature rose to 365 degrees Fahrenheit.Find out the pressure of the oxygen gas in the tank during the fire.
1. 7.23 atmospheres
2. 5.02 atmospheres
3. 6.61 atmospheres
4. 10.03 atmospheres
5. 1.19 atmospheres
What is the equivalent mass of metal that is dissolved in sulfuric acid during hydrogen release if 2.27 g metal reacts with 30 ml 33 w/w% H2SO4 (density 1.25 g/cm^3,
Draw two molecules that are diastereomers and calculate the energy of each.Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with ..
why do we have to make sure we light the fire and remove the lighter quickly to burn the nuts
What is the pH of the solution obtained when 135 mL of 0.618 M NaOH is diluted to 16.0 L with water?
The vapor pressure of ethanol is 10. torr at -2.3 degrees celsius and 40. torr at 19 degrees celsius.
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
If the Ecell measures 1.40 V, what is a more accurate molar concentration of Cr3+, assuming the molar concentration of Ag+ is accurate. What is the sign of the cathode in a galvanic cell. What type of reaction occurs at the cathode.
nitroglycerin contains 60 as many carbon atoms as hydrogenatoms three times as many oxygen atoms as nitrogen atoms and
A 50ml sample of a white dinner wine required 21.48 ml of .03776 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (150.09g/mol) per 100 ml.
Calculate the pH of 0.510 L of a 0.220 M NH_4Cl and 0.220 M NH_3 buffer before and after the addition of the following substances.
0.644 grams each of carbon monoxide water and hydrogen are sealed in a 0.987 litres vessel and brought to equilibrium
Give the systematic names for the formulas, or the formulas for the names. (using the format copper(II) chloride for CuCl2, and using the format CO2 for CO2. Omit the centered dot for hydrates.)
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