How many grams of ammonium chloride must be dissolved
The freezing point of water H2O is 0.000C at 1 atmosphere.
How many grams of ammonium chloride (53.50 g/mol), must be dissolved in 265.0 grams of water to reduce the freezing point by 0.3000C ?
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Air flows steadily through a constant-area duct. At section (1), the air is at 400 kPa (abs), 325K, and 150 m/s. As a result of heat transfer and friction.
What is the pH of a solution prepared by mixing 25.00 mL of a 0.10 M solution of the weak acid CH3CO2H with 25.00 mL of 0.040 M sodium acetate, CH3CO2Na?
Find the magnitude of the current density in a sample of silver for which conductivity equal to 6.17*10^7 S/m and mobility of electron is equal to 0.0056 m^2/v if 1)The sample is a cube 2.5 mm on a side having a voltage of 0.4mv between oppos
Calculate the number of grams of potassium chloride, KCl, that will be formed by the decomposition of 6.45 grams of potassium chlorate, KClO3. Oxygen gas, O2, is the other product.
Write a program that prints a one-month calendar. The user specifies the number of days in the month and the day of the week on which the month begins:
That makes P1 and P2 both equal to atmospheric pressure. The flow rate in the tank and the tube are proportional to the ratio of the areas, or V2=V1(d1/d2)2, or vice versa, depending on which one you measure.
Calculate the number of grams of nitrogen dioxide gas formed when 1.22 moles of ammonia, NH3, react with 2.14 moles of oxygen gas (O2) to produce nitrogen dioxide gas (NO2) and water (H2O).
At 25.0°C, a sample of Xe gas occupies 531 mL in a piston-cylider apparatus when the external pressure is 337 torr. At what pressure (torr) will its volume become 625 mL if the temperature does not change?
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