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Question- The density of silicon is 2.33 g/cm^3. The atomic mass is 27.97 g/mol. Calculate the atomic density of silicon.
Write down solution with full explanation of necessary steps for above question
Give the stereochemistry (chirality) of the product when Z-3-methyl-3-hexene is treated with BH3THF followed by basic H2O2 and then H+
Question- Photochemical reactions often produce different products than thermal reactions with the same reactants. Why
Give the formula of a compound that includes an ester group, an acyl bromide group and an aldehyde group and that shows optical isomerism. The functional groups should be shown in full and not in abbreviated form.
At 25 degree C the density of a 50% by mass ethanol-water solution is 0.914g per cubic cm. Given the partial molar volume of water in the solution is 17.4 cubic cm per mol, calculate the partial molar volume of the ethanol.
Used steel wool to clean oxide coating off two strips of copper metal and weighed each before and after. The two copper strips were placed in a beaker containing 60 ml of 1 M copper (ii) sulfate and wires were fastened to the strips and connected ..
Calculate the molar mass of naphthalene, the organic compound in mothballs, if a solution prepared by disovlving 7.50g of naphthalene in exactly 150g of benzene has a freazing point 2.0 degrees
how would you make 100ml of a buffer with a pH =4.25, starting with 0.25 M acetic acid and 0.25M sodium acetate
How many electrons are present in the outermost shell. What type of atom or molecule will be fluorine ion attract. What type of bond would be formed as a result of this association
the carbon-carbon bonds would be alternately long and short. However, to consider the structures as resonance contributors (or to connect them by a double-headed arrow) violates a basic principle of resonance theory.
For the following aqueous reaction, write a complete and balanced net ionic equation for MnS + HBr. And name states.
FeCl3 reacts with only one of the two compounds: aspirin and salicylic acid. With which part of a molecule does FeCl3 react
Imagine a small electron-sensitive probe of volume 1.00pm^3 insterted into an H2+ molecule ion in its ground state. Calculate the probability that it will register the presence of an electron at the following positions
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