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Provide the name from the formula or the formula from the name for each of the subsequent hydrated ionic compounds.
1. CaBr2 * 6H20
2. Beryllium chromate dihydrate
3. LiNO2 * H20
What volume of fuel should you bring? Assume each of the following: the fuel has an average formula of C7H16; 15% of the heat generated from combustion goes to heat the water
A double cheeseburger has a caloric content of 440 Cal (1Cal = 1000 cal). if this energy could be used to operate a television set, for how many hours would the following sets run
the following vibrational levels in the upper electronic state of I2: A) between v=1 and v= 0: b) between v=4 and v=3; and between v=21 and v=20. comment on and explain this trend in terms of the quantum mechanical concept of constraint.
What volume, in mL, of 0.1085 M H2SO4 would react exactly with 40.0 mL of a 0.995 M solution of KOH by the reaction: H2SO4 (aq) + 2 KOH (aq) -------> K2SO4 (aq) + 2H2O (l)
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4.
a very dilute solution contains 116 mg of fructose m180.16 gmol in 1.00 liters of solution. it is placed in a
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
the iron content of hemoglobin can be determined by converting the iron to fe2 and titrating using mno4-. a 5.0 g
A hypothetical element consists of two isotopes of masses 86.95 amu and 88.95 amu with abundances of 35.5% and 64.5%, respectively. What is the average atomic mass of this element?
Sodium carbonate (\rm Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 3.02×103 kg of sulfuric acid solution
lead is a toxic metal that affects the central nervous system. a pb-contaminated water sample contains 0.0013 pb by
An aqueous solution containing 10g of optically pure fructose was diluted to 500mL with water and placed in a polarimeter tube 20 cm long. The measured rotation was -5.20 degrees. Calculate the specific rotation of fructose.
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