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What two atomic orbitals or hybrid atomic orbitals overlap to form the CC bond in ethylene
Calculate the pH at the equivalence point for the titration of 0.200 M methylamine (CH3NH2) with 0.200 M HCl.
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant.
55.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139 mL portion of that solution is diluted using 175 mL of water. What is the final concentration.
A 3.664 g sample of a monoprotic acid was dissolved in water and required 20.27 mL of a 0.1578 M KOH solution for neutralization. what is the molar mass of the acid
The specific heat of the liquid is 4.7 J/g.K and the specific heat of the vapor is 2.2 J/g.K. its enthalpy of vaporization is 25.1 kJ/mol. If you heat 4.6 kg of liquid ammonia from -62.0 degrees C to its boiling point of -33.6 degrees C, and then ..
How many moles of nitrate ions are present in a sample that contains 4.82 moles of chromium(III) nitrate, Cr(NO3)3
A dioxin-contaminated water source contains 0.081% dioxin by mass. How much dioxin is present in 4.2 L of this water? (Assume that the density of the solution is 1.01 g/mL.)
The reaction between white phosphorous and oxygen produces solid tetra phosphorus decoxide (P 4 O 10 ).
Calculate the molar concentration of OH- ions in a 7.5×10^-2 M solution of ethylamine C2H5NH2(Kb = 6.4x10^-4).
In the citric acid cycle, how many net atp are generated between alpha-ketogluturate and malate
classfy each reaction as cmbnation, decompositon, single replacement, double replacement, or combustion
1) Suggest a reason why the starting material (trans-1,4-diphenyl-2-butene-1,4-dione) should be recrystallized prior to use in the photochemical isomerization of an alkene.
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