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The gas pedal of a car is commonly referred to as the "accelerator." Would this term be appropriate
(a) for the steering wheel?
(b) for the brakes?
(c) in a stick-shift car, for the clutch?
(d) in a stick-shift car, for the gears? Explain
Which element is the central atom? Hydrogen cyanide, Ammonia, Calcium carbonate, Magnesium sulfate
how much energy in kilojoules is released when 33.0 rm g of ethanol vapor at 95.0circ rm c is cooled to -19.5circ rm c?
The composition of a gas on a dry basis is 71.0 mole% N2, 12.0% O2, 12.0% CO2, and 5.0% CO. If the mole fraction of water is 0.160, what is the gas composition on a wet basis?
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 2.00×10-2 it M. The diluted solution is then placed in a spray bottle for application on the desired surfaces.
what quantity of heat is required to vaporize 107g of benzene, c6h6, at its boiling point, 80.1c? the heat of vaporization is +30.8kj/mol.
If a 12.00 ml sample of phosphoric acid H3PO4 solution was titrated with a standard solution of 0.1350 M Ca(OH)2. To reach the endpoint 13.40 ml of the Ca(OH)2 solution was used. Explain what is the molar concentration (morality=M) of the phosphor..
aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. if 927 ml of hydrogen gas is
Calculate Kp at 298 K and 490 K for the reaction NO(g) + 1/2 O2(g) = NO2(g) assuming that Delta H(g) is constant over the interval 298 K - 600 K.
Find out the exact significant figures for each of the values - Indicate the number of significant figures
In an experiment, 0.40 mol H2 and 0.40 mol I2 are mixed in a 1.0- Liter container, and the reaction forms HI. If Kc = 49 for this reaction, what is the equilibrium concentration of HI
What characteristic H NMR absorptions would be expected in the aliphatic region for 9-hydroxyfluorene
If the density of carbon dioxide in air is 0.65 mg/L, what volume is occupied by 25 kg of carbon dioxide?
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