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Calculate the average atomic mass in units of amu for iron (Fe) given that the naturally occurring element exists mainly as a mixture of Fe-56 (91.754%0), Fe-54 (5.845%), and Fe-57 (2.119%). Does your value agree with that shown in the periodic table?
how do you calculate the effective temperature of jupiter if the sun is its only source of heat given that jupiter is 7.8*10^8 km from the sun and has an albedo of 0.73
How much work is done when a 185g tomato is lifted 15.0m. 39.6J The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground. Assume 91.9 % of the work done in Part A is transferred to kinetic energy, E, by the time the to..
Any help on how to do or start this problem? Suppose the gas above the soda in a bottle of a soft drink is pure CO2 at a pressure of 2 atm. a. Estimate the pH of the soda. b. Calculate CT, the total dissolved inorganic carbon.
oxalic acid dihydrate (H2 C2 04). 2H20 (formula weight = 126 g/mol) is sometimes used to standardize NaOH solutions. How many grams of this acid will be required to titrate 45.0 mL of 0.18 M NaOH solution
Why is it essential to wash the recrystallized material with cold, not warm or hot, solvent. What might occur if the wash with cold solvent was omitted
The heat produced from the reaction of 10.0 g of Al (as in part a) was used to heat 500 g of water. The initial temperature of the water was 23 celcius. What was the final temperature of the water. Would the water boil
a 0.336 gram sample of sodium carbonate required 28.6ml of a sulfuric acid solution to reach the endpoint for the reaction Na2CO3 +
what is the equilibrium partial pressure of water vapor above a mixture of 44.0 g H2O and 56.0 g CHOCH2CH2OH at 35 Degree C. The partial pressure of pure water at 35.0 degree C is 42.2 mmHg. Assume ideal behavior for the solution.
a sample of fresh grapefruit juice was filtered and titrated with the above i2 solution. a 100 ml sample of the juice
How would you prepare methyl,phenyl,ketone starting with 1-bromobenzene without using a grignard reaction. please show reactants and intermediates
Dentists might use a mixture of 40% N2O and 60% O2 as an initial anesthetic of nitrous oxide(although exact proprtions may vary). Determine the entropy of mixing for 1 mole of such a mixture. Assume ideal gas conditions.
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
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