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Q: Number of unpaired electrons in the nitrogen atom.
Q: Number of 4d orbitals.
Q: Maximum number of electrons that can have n=3 and l=1.
Given the reaction: KMnO4+KI+H2SO4 - - - - - > K2SO4+MnSO4+I2+H2O (unbalanced) How many moles of K2SO4 are produced by allowing five moles each of KMnO4, KI and H2SO4 to react
Calculate the enthalpy change (in J) when a 4.08 g sample of water at 26.4 °C and 1 atm is frozen to ice at -20.4°C and 1 atm.
How many milliliters of a 0.150 M magnesium hydroxide solution are needed to neutralize 1.282 L of hydrochloric acid solution that is 0.1048 M
Problem- A 53.7 g ice cube at -19 C is dropped into an insulated cup containing 125.0 ml of hot water at 78 C. The specific heat of ice is 2.12 J/g deg. assuming no heat is able to pass through the insulated cup
If 0.628 moles of a substance weighs 77.3 g, what is the molar mass of the substance, in units of g/mol?
using the average initial ph of your acetic acid solutions and the average molarity of those solutions calculate a
Construct a table that shows the relationship among the group number, valence electrons lost or gained and the formula metallic
How many grams of oxygen are needed for the complete combustion of the butane in the lighter. You need to complete the following reaction and balance first before finding the grams of oxygen. C4H10 + O2
The sensitivity of a spectrophotometer allows detection of 1 percent of one colored form of an indicator for example HIn in the presence of 99 percent of the other colored form In-. Based on this fact, over what pH range relative to its pK can an ..
Solid phosphorus pentabromide, PBr5, has been shown to have the ionic structure [PBr4+][Br? ]. Write the electron-dot formula of the PBr4+ cation
the electron withdrawing carboxyl group in the para position could result in the occurrence of some nucleophilic displacement if the hydrolysis was carried out under acidic conditions and an elevated temperature. What would be the product of such ..
What is the experimental yield (in g of precipitate) when 15.4 mL of a 0.6 M solution of iron(III) chloride is combined with 19.8 mL of a 0.719 M solution of lead(II) nitrate at a 80.1% yield
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