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1. ectron configuration of a neutral atom is 1s22s22p63s23p2.
a) Draw the orbital diagram.
b) Write a complete set of quantum numbers for each of the electrons.
c) Name the element.
If the volume of a gas container at 32.0 °C changes from 1.55 L to 755 mL, what will the final temperature be. A) 149 °C B) 353 °C C) -273 °C D) -124 °C E) none of the above
C2H4+2O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent b. calculate the moles of water produced
Problem- Calculate the molar solubility of barium fluoride in pure water. Articulate your answer utilizing three significant figures. Explain the each and every step in detail for help
The heat of vaporization of CCl2F2 is 289 J/g. What mass of this substance must evaporate in order to freeze 180g of water initially at 25 C? The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/gK.
Self contained self rescue breathing devices convert CO2 into O2 according to the following reaction: 4KO2(s) + 2CO2(g) -> 2K2CO3(s) + 3O2
The pressure of 6.0 L of an ideal gas in a flexible container is decreased to one-sixth of its original pressure, and its absolute temperature is decreased to one-forth of the original. What is the final volume of the gas
Titration of 25 mL of the calcium hydroxide solution to the endpoint requires 12.15 mL of 0.070M HCl solution. a) What is the millimolar quantiy of OH? in the 25 mL of solution? b) What are the concentrations of Ca2+ and OH?? c) What is the solubi..
Write the structural formula for each of the following compounds. 3-ethyl-2,3-dimethylpentane
the enthalpy of combustion of c12h22o11is -5652 a 2.5 g sample of lactose was burned in a calorimeter that contained
Barium sulfate is a very insoluble compound. Please give reasons for compounds like barium sulfate or barium phosphate to be insoluble
An unknown 0.0500 M metal nitrate solution is either cobalt(II) nitrate or iron(III) nitrate. Both react with NaOH to form insoluble metal hydroxides. 10.00 mL of the 0.0500 M metal nitrate solution is titrated with 0.100 M NaOH solution. It took 15...
What is the Volume of 1.05mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL
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