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Identify the group of elements that corresponds to the following generalized electron configuration: noble gas ns2 (n-1)d^2
If 45 mL of H2 (g) are collected over water at 27°C and 751 mmHg external pressure. How many grams of Al were reacted.
how many liters of C6H14(l) measured at 20 degC must be burned to provide enough heat to warm 26.9m^3 of water from 17.7 to 32.6degC .
Choose the answer which lists the atoms Pb, Sb, Ge, and Al in order of increasing atomic radius (smallest atom listed first).
What is an alternative analytical procedure for determining the quanity of water in a non-aqueous sample?
When ammonium chloride, NH4Cl, dissolves in water, the temperature of the solution is found to be less than that of the original water sample.
Apotential of 0.33V is measured against a Ag/AgCl electrode. What would it be when measured against: NHE and SCE
Determine the change in Ssys for the process if specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
Strike anywhere matches contain the compound tetraphosphorous trisulfide, which burns to form tetraphosphorus decaoxide and sulfur dioxide gas.
A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates.
Provide a structure for the following compound: C9H10O3; IR: 2400-3200, 1700, 1630 cm-1; 1H NMR: ? 1.53 (3H, t, J = 8 Hz); ? 4.32 (2H, q, J = 8 Hz); ? 7.08, ? 8.13 (4H, pair of leaning doublets, J = 10 Hz); ? 10 (1H, broad, disappears with D2O sha..
How many constitutionally isomeric alcohols are there with a formula of C4 H10 O?
What percentage of the 131I released by the explosion would have remained by that time? Use the first order kinetic equation: [A] = [A]o e-kt
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