Calculate the amount of heat given off
Calculate the amount of heat given off when the 1.26 X104 g of ammonia is formed according to the equation: N2 (g) + 3H2 (g) ----> 2NH3(g) ΔrHo = -92.6kJ/mol Suppose the reaction takes place under the standard-state conditions at 25oC
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When it was placed in a graduated cylinder which is having the 20.0mL of water, the water level rose to 23.1mL. An object made of aluminum has a mass of 8.37g. Determine the density and gravity of the object.
The time-varying emf is 53.0 V at a frequency of 2200 Hz. i) Find out the current in the circuit. ii) Find out the voltage drop across the resistor.
Alcoholic fermentation is the process in which carbohydrates are broken down into the carbon dioxide and ethanol. The reaction is very complex and includes a number or enzyme-catalyzed steps.
A wheel consists of a radius of 4.1m. How far (path length) does a point on the circumference travel when the wheel is rotated through angles of 30 degrees, 30 rad, and 30 rev, correspondingly.
Calculate the amount of heat given off when the 1.26 X104 g of ammonia is formed according to the equation:
A capacitor of 2.70 µF is completely charged by being joined to a 6.0-V battery. The fully charged capacitor is then joined to an inductor of 0.170-H. i) Compute the maximum current in the inductor.
Why should the scientific technique be preferred as a system for fixation of belief for psychological researchers relative to alternative sources of understanding?
At 400deg C the 2.00 mol of NOCl was placed in a 2.00 L reaction vessel. After equilibrium was established, it was found that 24percent of the NOCl had dissociated according to the reaction:
A capacitor having capacitance C = 4.60 x 10-6 F is joined to an AC power source having a peak value of 12.0 V and f = 110 Hz. i) Determine the reactance of the capacitor.
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