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Which will experience the greater effective nuclear charge, the electrons in the n=3 shell in Ar or the n=3 shell in Kr? Which will be closer to the nucleus? Explain.
The experiment all you observed rate law is rate =k [NO]^2 [Br2]. Show this mechanism is valid by deriving the rate law expression and showing that it is equal to the experimentally observed rate law
if 4.50g of methane gas is introduced into an evacuated 2.00 L container at 35 celcuis what is the pressure in the container?
An oxide of osmium (symbol Os) is a pale yellow solid. If 2.68 g of the compound contains 2.01 g of osmium, what is its empirical formula? (Type your answer using the format CO2 for CO2.)
How much heat is required to warm 215 g of ice from -44.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
from the equation C2H5OH + 3O2 --> 2CO2 + 3H2O, how many mols of ethanol are needed to use up 3.24 mols of oxygen?
Calculate the theoretical ph of one of your buffer at 0^0 C. Assume that room temperature is 22^0 C. If none of your buffer is listed on the table of changing pka with temperature, do this problem for TRIS at ph 8.0.
Starting with Benzyl alcohol (PhCH2OH) and any other organic or inorganic reagents outline a series of reactions leading to ethyl phenylacetate
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?
A thief plans to steal a gold sphere with a radius of 30.0 cm from a museum. If the gold has a density of 19.3 g/cm^3, what is the mass of the sphere?
Determine the heat that must be extracted to cool the gas from 375 C to 275 C at (a) Constant Pressure and (b) constant volume.
what are possible reasons for the differences observed in conductivity for H3PO4 and H3BO3? Explain it please. B) Write out the dissociation steps for H3PO4 and H3BO3.
In the Virtual ChemLab experiment "Electronic State Energy Levels," what gaseous element is used in fluorescent light tubes?
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