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Ammonium nitrate decomposes to N2O and water at temperatures between 250 deg. celcius and 300 deg. celcius. write a balanced chemical recation describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the appropriate enthalpies of formation. please include phases.2)chlorofluorocarbons (CFCs) such as CF2CL2 are refrigerants whose use has been phased out because of tehir destructive effect on earth's ozone layer. the standard enthalpy of evaopration of CF2Cl2 is 17.4 kj/mol, cmpared with delta H of vaporization= 41 kj/mol for liquid water. how many grams of liquid CF2CL2 are needed to cool 105.7g of water from 42.4 to 26.3 degrees celcius? the specifi heat of water is 4.184 j/g degrees celcius.
Predict the major product. Create a procedure to make the indicated product. Choose any masses and solvents you deem necessary, both reagents must be soluble.
A 1.5991 g sample of a hydrocarbon is combusted to give 1.6918 g of H2O and 5.1661 g of CO2. What is the empirical formula of the compound
write down the product for the reaction butane forward and backward reactionin the presence of aluminium bromide and
Predict whether the following will result in an increase or decrease in entropy and justify your reasoning. Desalination of water
If you start with sold hydroxylamine hrdrochloride and 1.00M NaOH, what mass of solid will you need and what volume of NaOH can you expect to add
56.9 mL of water is added to 24.9 mL of 0.125 M KOH solution. What is the new molarity?
The pH of a 0.010 mol L-1 solution of a weak monoprotic acid is 2.09 at 25oC. What is the pKa for this acid?
according to the law of conservation of mass if the products of a reaction have a mass of 64.0 grams then the total
3. 6 M HNO3 could not be found on the reagent shelf. Instead, 6 M HCL is added to the test solution. Instead, 6 M HCl is added to the test solution. What affect does this have on the test for sulfide ion. Explain
What is the de Broglie wavelength in cm, of a 12.7 g hummingbird flying at 1.15 multiplied by 102 mph (1 mile = 1.61 km.)
Explain why a compound with a phosphate group whose free energy of hydrolysis is more negative can transfer phosphate to another compound to make a phosphorylated product whose free energy of hydrolysis is less negative.
Investigators have reported experimental observation of the He2 ‘complex' (i.e., a very weakly bonded molecule). The fact that the observation required temperatures in the neighborhood of 1 mK is consistant with computational studies that hcDe for..
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