Water in a volumetric flask
A solution is made by dissolving 31.0 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution.
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A gas is placed in a storage tank at a pressure of 20.0 atm at 20.3 DEGREES CELSIUS. As a safety device, there is a small metal plug in the tank made of a metal alloy that melts at 125 DEGREES CELSIUS. If the tank is heated, what is the maximum pr
If a 100.0 g sample of water at 60.0 degreesC is added to a 100.0 g sample of water at 10.0 degrees C, determine the final temperature of the water.
Calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6°C to 28.0°C.
About power supply that cnanges AC to DC voltage and which a zener diode on it! jst need most the calculations of zener doide in this poer supply?
A sample of gas is collected over water at a temperature of 35.0?C when the barometric pressure reading is 625 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
When separated from a water solution, CuSO4 forms a hydrate with 5 water molecules per formula unit. If 38 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
An accelerometer has a seismic mass of 0.05kg and a spring constant of 3 x 10^3 N/m. Maximum mass displacement of 0.02m before the mass hits the stop. The maximum measurable acceleration will be equal to?
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