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What is the Lewis structure of the covalent compound that contains one nitrogen atom, one hydrogen atom, and one carbon atom? Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)
Calculate How many grams of H2O at temperature 25 degree Celsius should be poored on the ice with no water in flask initially.
What is the concentration of X when the potential is 0.0490 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
A .76g sample of polyvinyl chloride (PVC) is dissolved in 250mL of a suitable solvent at 25C. the solution has an osmotic pressure
What volume of 4.7 M NaOH is required to react completely with 1.7 mL of a 1.51 M HCl solution?
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as After many years, rebar will begin to corrode, and the concrete will weaken. Studies are ongoing regarding the best metal to be a sacrificial anode ..
Give two reasons why the product is concentrated in the distillation flask during a continuous solid-liquid extraction. 2) what difficulties may be encounter during the determination of the melting point of caffeine?
the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3) in the isolation step
If there was 0.5011g of KClO3 in the original mixture, what is the true percent of KClO3?
if a sample of 2.63 L of neon is collected at 730 torr and 26 degrees C, what volume will the gas occupy at 1.10 atm and 10 degrees C?
When 2.00 mol of NOCl(g) was heated to 225 degrees celcius in a 400L steel reaction vessel, the NOCl partially decomposed according to the equation 2 NOCl(g) -->2 NO(g) + Cl2(g)
an airplane is pressured to 650 mm Hg, which is the atmospheric pressure at a ski resort at 1.30 * 10^4 ft altitude. If air is 21% oxygen,
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