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Calculate the temperature of boiling water at an elevation of 6000ft (2000m) given that the atmospheric pressure is 0.8atm. Assume delta H_vap is independent of T.
How can you tell from the information provided with the balanced equation. How many mol of O2 are required to form 3.20 mol Fe2O3. How much heat is exchanged when 14.3 kg of iron rusts
A gaseous mixture contains 407.0 Torr of H2(g) , 377.5 Torr of N2(g) , and 83.3 Torr of Ar(g) , calculate the mole fraction, X, of each of these gases.
Several rate constants were measured for a particular reaction at several temperatures. It was found that k = 0.0173 at 923 K, and k = 0.00919 at 773 K. What is the activation energy, Ea , for this reaction?
a solution of 4.00 g of sodium carbonate is mixed with one containing 4.00 g of silver nitrate. after the reaction is complete, the solutions are a mixture of salts.
what are the balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment? There are eight of them.
Find the fugacity coefficient at the reaction conditions and calculate the effect of it on the reaction conversion.
0.1 M NaCl was slowly added would a precipitate(s) form? if more then one precipitate could form, predict the order of appearance of the precipitates.
What is the enthalpy change for converting 1.00 mol of ice at -50.0°C to water at 70.0°C? The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K and 1.84 J/g-K respectively. For H2O, Hfus = 6.01 kJ/mol, and Hvap= 40.67 kJ/mol.
To measure the sample, 1.00 mL of a standard sample of butyl benzoate containing 2.59 mg/mL was mixed with 1.00 mL of the plant stream material, and analysis of the mixture gave a peak area of 463 for peak A and 425 for peak B. What is the concent..
The half-life of radium-226 is 1600 years. How long will it take for the radioactivity of a sample of radium-226 to decrease from 130 mCi to 10 mCi
For the reaction shown, calculate how many grams of each product form when the following amounts of reactant completely react to form products. Assume that there is more than enough of the other reactant.
the average european woman consumes food with energy content of 7525kj. what is the daily intake in kilocalories or food calories
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