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1. If the methane (CH4) contained in 2.00 L of a saturated solution at temperature of 25 degree celsius was extracted and placed under STP conditions, determine what volume it will occupy?
2. Initially A sample of a substance of 23.43 g weight has temperature 24.2 °C then it absorbs heat and reached to temperature 122.0 degree Celsius; calculate the specific heat of this substance if it absorbs 2167 joule heat?
consider the reversible reaction of carbon monoxide and water vapor yeilding carbon dioxide and hydrogen.
how many grams of nickel would be electroplated by passing a constant current of 7.2 A through a solution of NiSO4 for 90 minutes.
start with 4-cyclopentylphenol and react with NaOH, CH3I, NBS, heat show each step to get the final product.
A graduate student tried to make -fluorophenylmagnesium bromide by adding magnesium to an ether solution of -fluorobromobenzene.
What is the molarity of the NaBr produced when 50.0 ml of 4.80 M NaOh is mixed with 150.0 ml of 160 M HBr?
Draw the Caryophyllene (C15H24) structure and then show how it fits the "isoprene rule" by circling the 3 isoprene units in the structure.
The radioisotope iodine-131, used to image the thyroid, has a half-life of 8.0 days What fraction of iodine-131 remains in the body after 3.0 days?
times that of nitrogen gas ( at the same temperature). calculate the molar mass of the unknown gas in g/mol?
If 545 mL of oxygen gas is collected at 21°C and 745 mmHg , what is its volume at STP?
what is the balanced equation with notations for steam reacting with solid carbon to form the gases carbon monoxide and hydrogen.
when ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen? what volume of nitrogen gas is formed.
Steam at 3MPa and 300oC exits a boiler and goes into a high pressure turbine in which it is expanded to 300kPa. The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC.
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