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What is the lowest possible value of the principal quantum number (n) when the angular momentum quantum number () is 3?
What is the lowest possible value of the angular momentum quantum number () when the magnetic quantum number (m) is -2?
calculate the number of water molecules that can be prepared from 664 h2 molecules and 664 o2
In HPLC, how often should I need to run standard with samples? Why? If the retention time is changed with real samples compared to standard
Why does the addition of the NO2+ to the acidic solution of acetanilide need to be performed at a cold temperature. What products would form if the temperature is not kept cold
It takes 78.2 J of energy to raise the temperature of 45.6 g of lead by 13.3 oC. What is the specific heat capacity of Pb? What is the molar heat capacity of Pb.
four different solutions containing bases are shown below. What are the relative strengths of the bases shown in I-IV? Explain your reasoning. Note: H2O molecules are not shown for clarity.
The temperature increased by 10.08 oC. Use these data, plus the information given below for CO2 and H2O, to estimate the standard enthalpy of formation, of H, at 25 oC for this compound of H values at 25 oC for CO2(g) and H2O(l) are 394 kJ mol 1 a..
a balloon is filled to a volume of 7.00 x 102 ml at a temperature of 20.0 oc. the balloon is then cooled at constant
Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house.
one mole of water intially at 50 degrees celcius is heated to140 degrees celcius at a constant pressure of 1.00 atm.
Draw all the alkenyl side products that could be formed by dehydration of 2-methyl-2-butanol by e1 mechanism. Propose mechanism for formation of the alkene side products
Develop a detailed calorimetric method for determining the temperature of the warm water sample.
Draw a stick model of a water molecule. Sketch a space filling model of a water molecule, show polarity by labeling positive and negatively charged regions of the molecule.
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