Estimate the enthalpy change per gram of water
Hydrogen, H2, is used as a rocket fuel. The hydrogen is burned in the oxygen to form the water vapor. 2H2 (g) + O2 (g) →2H2O (g) ; ΔH = -484 kJ Estimate the enthalpy change per gram of water?
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For Co (NHMe-CHMe-CH2-PMe2)2(NO2)(SCN)(CL) Calculate the causes of isomerism? So far have found linkage isomerism from the SCN and the NO2 molecules. What other molecules cause isomerism if any more?
Use two market diagrams to explain how an increase in state subsidies, Use two market diagrams to explain how an increase in state subsidies to public colleges might affect tuition and enrollments in
When the same quantity of heat has flowed into each block, which block will be warmer? A block of aluminum and a block of iron, both having the same mass, are removed from a freezer and placed outside on a warm day.
Ethanol, C2H5OH, is mixed with gasoline and sold as gasohol. Use the following to determine the grams of ethanol required to produce the 342 kJ of heat.
Hydrogen, H2, is used as a rocket fuel. The hydrogen is burned in the oxygen to form the water vapor. Estimate the enthalpy change per gram of water?
If particular decision maker allots the indifference probability of 0.000001 to $0 payoff, would the individual buy the lottery ticket? Use expected utility to justify the answer.
Write down a thermo chemical equation for this reaction. When 2 mol of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at constant temperature and pressure, 78.0 kJ of heat is given off.
Explain how many milliners of hydrogen gas evolved at STP? Assuming the complete reaction of 36.0mg of pure aluminum, according to the reaction described by equation 2Al (s) + 6H (aq)-> 2Al (aq) + 3H2 (g).
A 42.6-mL volume of hydrogen gas is collected over water at 20 degrees Celsius. A 42.0-mg sample of aluminum reacts with an excess of 6MHCl. The pressure of the "wet" hydrogen gas is adjusted to atmospheric pressure, a pressure of 750 Torr.
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