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Question- How much heat (in joules) is absorbed when a 15.5g piece of aluminum (C = 0.902 J/molK) is heated from 23.9oC to 40.2oC?
I require skilled aid to answer the given problem
a 1.000 l sample of hcl gas at 25 degrees celsius and 732 mmhgwas absorbed completely in an aqueous solution that
Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium chloride, or common table salt. If 3.00 g of sodium reacts with 4.62 g of chlorine, 7.62 g of sodium chloride is formed and 53.7 kJ of heat is released.
If a 0.10M solution of HA has a pH of 5.83 at 25 degrees C, what is deltaG0 for the acid's dissociation at 25 degrees C
A pound of coffee beans yields 70 cups of coffee (4 cups = 1 qt). How many milliliters of coffee can be obtained from 1.0 g of coffee beans.
What is the empirical and molecular formula of Acyclovir (MW 225).( C, 42.67%) - ( H, 4.92% )- (N, 31.10%)- (O, 21.31%)...........Weights: C=12.0; H=1.008; N=14.0; O=16.0
Question- What is the mechanism of the formation of 1-bromobutane from 1-butanol using H2SO4 and NaBr? Also, how are1-butene and di-n-butyl ether are formed? Provide details of each and every step. I want expert help in the above problems.
A 0.010 M aqueous solution of a weak acid HA has a pH of 4.00. What is the percent dissociation of HA in the solution
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used
After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 19.0732 g. Assuming that only the magnesium carbonate had decomposed, how much magnesium carbonate was present in the original sample
calculate the number of moles of carbon dioxide formed if 23.1 ml of sodium carbonate reacts with excess hydrochloric acid.
while in europe if you drive 113km per day how much money would you spend on gas in one week if gas costs 1.10euros
A solution of 5.36 g of a molecular compound dissolved in 76.8 g benzene (C6H6) and has a boiling point of 81.46oC. What is the molar mass of the compound
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