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?
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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.
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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.
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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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