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Gold arranges in a face centered manner and has an edge length of 488 pm; what is the atomic radius of a gold atom?
If you dissolve 4 aspirin tablets in a 340mL glass of water, what is the pH of the solution and the percent dissociation?
What type of solid (e.g., molecular or metallic) would you expect each of the following substances to form (and explain why): (i) HCOOH; (ii) CaF2; (iii) Xe; (iv) K; (v) SiC; (vi) NH4Cl; (vii) MgO.
if 25g of aluminum are allowed to react with 50.g of hydrochloric acid, how many grams of the product, aluminum chloride can be produced? equation.
How many grams of phosphorus react with 31.2 L of O2 at STP to form tetraphosphorus decaoxide
A 1.043g vitamin C tablet is crushed, treated, and diluted to 100.00mL in a volumetric flask with deionized water. Three 5.00mL samples of this solution are titrated with DCP that had a standardized concentration of 9.93x10-4M
In the stories you have read in Chapters 4 through 7, you have been introduced to several kinds of characters. Select another story from your textbook that is different than the one you analyzed in the "Literary Techniques and Their Connection to ..
A 4.60 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C? The specific heat of gold is 0.129 J/(g·°C).
A stream of air enters a 7.50-cm ID pipe at a velocity of 60m/s at 27C and 1.80 bar (gauge). At a point downstream, the air flows through a 5.00 cm ID pipe at 60C and 1.53 bar (gauge). What is the velocity of the gas at this point
Calculate the pH if 0.03 mol HCl is added to 0.500 L of a buffer solution that is 0.24 M NH3 and 0.20 M NH4Cl. For NH3 Kb= 1.8 x 10-5.
At a temperature T, a previously empty 5.00L flask is prepared by adding 1.20 mol SO2 and 1.5 mol of O2. Determine the concentrations of SO2, O2 and SO3 once equilibrium is established. KC=963
a thermodynamic study of dycl3 determined its standard enthalpy of formation from the following information. determine
benzoic acid is a weak acid that has antimicrobial properties. its sodium salt sodium benzoate is a preservative found
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