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Draw line-angle structural formulas for 8 constitutional isomers that have a molecular formula C4H8O.
what is the density of sample of ammonia gas if the pressure is 705mmHg and the temperature is 63.0 degrees C?
A 97 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
What is the solubility product constant for Ag3PO4 if 6.37 mg of Ag3PO4 can be dissolved in 850 mL of water?
M. tuberculosis, the organism that causes tuberculosis, can be completely destoryed by irradiation with UV light with a wavelength of 254 nm. What is the frequency?
If a mixture of gases contained 78% nitrogen at a pressure of 984 torr and 22% carbon dioxide at 345 torr, what is the total pressure of the system?
when using a rotary evaporator, the water bath is typically kept at a temperature below the normal boiling point of the solvent to be evaporated
what is used to measure volumes of liquid accurately? what is used to hold a stem funnel in filtration or a crucible and cover?
Pure gold can be made into extremely thin sheets called gold leaf. Suppose that 5.0 x 102 kg of gold is made into gold leaf having an area of 3620 m2.
Standard Temperature and Pressure of Chlorine, Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that the volume of a particular sample of Cl2 gas is 8.70 L at 895 torr and 240C.
A piece of metal with a mass of 169 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 38 mL. What is the density of the metal?
Mg +2HCl-> MgCl2 + H2 what volume of Hydrogen at STP is produced from the reaction of 50.0g and the equivalent of 75 g of HCl? Also, How much of the excess reagent is left over?
One liter of a gas has a pressure of 150.00 kPa at 25.0°C. If the pressure increases to 600.0 kPa and the temperature to 100.0°C, what would be the new volume of the gas?
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