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What is the molar concentration of a solution that contains 165 g of sodium sulphate dissolved in 3.00 L of solution?
Please show work so that I can understand properly thank you!
A sample of a gas occupies 1.40 x 103 mL at 25oC and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg
An aqueous solution of trichloroacetic acid, that is 2.00 percent by weight trichloroacetic acid, has a density of 1.0083 g/mL. A student determines that the freezing point of this solution is -0.382 oC.
When preparing the solutions for Part A, an aqueous solution of diamine and NaOH is made. Why isn't a solution of NaOH and diacid chloride in cyclohexane made
a solution is prepared by adding 8.28 grams of an unkown compound to 217 g of cyclohexane c6h12. this solution freezes
benzene and toluene form a nearly ideal solution. if the vaporpressure for benzene and toluene at 25 degrees celsius is
Question- The specific heat capacity of liquid water is 4.18 J/g-K. How many joules of heat are needed to raise the temperature of 5.00 g of water from 15.0°C to 36.5°C
A refrigeration system contains 575 ml of a gas at 22 degrees C and 1.25 atm. The gas is compressed until it has a pressure of 2.00 atm and a temperature of -6 degrees C. What is the new volume of the gas in the system
A particular metallic element, M, has a heat capacity of 0.36 J * g^-1 * K^-1. It forms an oxide that contains 2.90 g of M per gram of oxygen. (a) Using the law of Dulong and Petit (Cp x M = 25 J per mole per Kelvin), estimate the molar mass of th..
Problem- Calculate the pH of a solution in which 20.0 mL of 0.100 M NaOH is added to 25.0 mL of 0.100 M CH3COOH (Ka = 1.7 x 10-8)
How much energy is required to evaporate 100.0 grams of water that is at 100.0 degrees Celsius?
Write a reaction mechanism for the reaction of 1-chloropentane with NaHS using dimethylformamide as the solvent. Draw the structure of the reaction intermediate clearly showing its geometry.
1. we have a solution of unknown substance dissolved in water at the temperature of 300 kelvin this solution gives
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