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What is the electron configuration of Fe(II)? since the (II) is added on do I subtract 2 from the end and make it 24 instead of 26?
What volume of gaseous chlorine at STP would you need to obtain a 250.0 g sample of gas
Rank the following slightly insoluble compounds from the most soluble to the least soluble. CaCO3 Ksp = 2.8 x 10-9 Co(OH)2 Ksp = 1.6 x 10-15 CaF2 Ksp = 3.9 x 10-11 BaSO4 Ksp = 1.1 x 10-10
Calculate the concentrations of all species in a 1.66 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
The molar heat capacity of silver is 25.35 J/mol * C. How much energy would it take to raise the temperature of 8.60 g of silver by 11.1 C?
The Group 5A elements can form molecules or ions with three, five or six covalent bonds. Predict the molecular structure and hybridization of the following substances: NH3, AsCl5 and PF6-. Why doesn't NF5 or NCl6- form
Standard Addition Graph: Tooth enamel consists mainly of themineral calcium hydroxyapatite. Trace element in teeth ofarchaeological specimens provide anthropologists with cules aboutdiet and disease of ancient people
At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
naisolid is gradually combinednbsp to a solution that is 0.011 m in coppernbsp and 0.011 m in silver then calculate
An analysis shows that 2.97 g of iron metal combines with oxygen to form 4.25 g of an oxide of iron. What is the empirical formula of the compound?
how many rotational levels are there, approximately, between v=0 and v=1 vibrational levels, which are 559.71 cm-1 apart in energy? B=0.2441 cm-1.
Describe the predicted effect on glycine biosynthesis in a mutant mammalian cell if there is a mutation in the 5'-IRE sequence of ferritin mRNA that reduces the Ka of IRP binding as compared t binding with wild-type mRNA
How to calculate the volume of 1.5M aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and extract the solution twice using the volume calculated?
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