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Define how a molecule can have a change in a dipole moment. Also state dipole moment in general.
If 10.00 mL of 0.050 M KI solution is mixed with 40.0mL of other reagents what would be the the diluted concentration of KI
Hydrogen peroxide can be prepared by the reaction of barium peroxide wtih sulfuric acid accoridng to BaO2(s) + H2SO4(aq) arrow BaSO4(s) + H2O2 (aq) How many milliliters of 2.00 M H2SO4 (aq) are needed to react completely with 49.5 g of BaO2(s)
Determine the mass of copper(II) sulfate, CuSO4 will remain after removing all the H2O(water) from 74 grams of CuSO4 5H2O (Also called Blue Vitriol and Bluestone)?
a 30 g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. what is the momentum of the car?
When 1.555g of this compound (molar mass=130.13g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 7.429 degrees celsius. What is the heat capacity (calorimeter constant) of the calorimeter
What is the pH of a solution that results when 0.010 mol of HNO3 is added to 500mL of a solution that is 0.10M in aqueous ammonia and 0.20M in ammonium nitrate. Assume no volume change and the Kb for NH3 =1.8*10^-5
Suppose your lab instructor inadvertently gave you a sample of KHP contaminated with NaCl to use in standardizing your NaOH. How would this affect the molarity you calculated for your NaOH solution
How much heat is liberated at constant pressure when 2.65g of ethane,C2H6 are combusted in excess oxygen. 2C2H6(g) + 7O2(g)=4CO2(g)+ 6H2O(I)
7.41g of O2 are combined with 5.23g NH3 , and the reaction proceeds. What mass of NO is produced?
How many liters of O2 are needed to react completely with 45.0L of H2S at STP? 2H2S(g) + 3O2(g) -> 2SO2(g) +2H20(g)
If the cuvettes are not wiped clean in an experiment, fingerprint smudges may be present during analysis. Explain how this error would affect the absorbance readings for blue dye in the analysis
The reaction is: 2Al + Fe(III)2 O3 = 2Fe + Al2O3 If 1 kilogram of iron (III) oxide is used, what is the minimum amount of aluminum power to use to insure that all metallic iron that can be made is made
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