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discuss how the shielding by core electrons is analogous to putting a frosted-glass lampshade between the lightbulb and your eyes.
The total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
An electron traveling at the velocity of 3.7 105 m/sec has an uncertainty in its velocity of 2.34 105 m/s. determine the uncertainty in its position?
To heat 236mL of water from 25 degrees celcius to 78 degrees celcius in 2.00 minutes what must be the heat rating of the heater, in kJ/min
Calculate the partial pressure of O2 produced from 1.71 liters of .64 M N2O5 solution at 45 degrees C over a period of 24 hours if the gas is collected in an 11.5 L container, assuming that the products dont dissolve in chloroform.
Determine How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees Celsius to H 2 O at 25.0 Normal Temperature ? express your answer in kilojoules
At a pressure of 1.00 atm and a temperature of 20ºC, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
An aqueous solution of KNO3 has a molal concentration of 1.099 mol kg-1. Its density is 1.0630 g mL-1. Calculate the molar concentration of KNO3.
Fish are processed into Fish meal and used as a supplemen- tary protein food. In the processing the oil is First extracted to produce wet Fish cake containing 80 wt % water and 20 wt % bone-dry cake
If 124 mL of 9.50 M nitric acid is diluted to 555 mL, what is the concentration of the diluted solution
Consider the following reactions and select the false statement below. CO2(g) + OH?(aq) ? HCO3?(aq) Cr3+(aq) + 6H2O(l) ? Cr(H2O)63+(aq) A. a lone pair of electrons on the OH?
Calculate the number of moles of KHP? b. How many moles of NaOH will react with the KHP dissolved in water? c. Calculate the Molarity of the NaOH solution?
If 358 mL of H2SO4 is neutralized with 60.0 mL of 1.50 M NaOH, what is the initial concentration of the acid?
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