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the melting point of pure t-butyl alcohol is 25.82*C and its freezing point depression constant is 8.37*C per molal. Use your corrected average temperature (5.0*C) to find the molality of the water in the alcohol. Find the percent water in the alcohol.
what mass is grams of potassium chloride is produced if 100. g of potassium chlorate decompose according to the following equation? 2KClO3>>> 2KCl+3O2
If a 190 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.4x1.0 ft , what is the average thickness of the sheet in meters?
How many grams of manganese may be formed by the passage of 32,349 C through an electrolytic cell that contains an aqueous
In an acid-base titration experiment, 50.00 mL of a 0.0500 M solution of acetic acid (ka=1.75 x 10^-5) was titrated with a 0.0500 M solution of NaOH at 25 degree C
A reaction has a theoretical yield of 8.83 g of ammonia. the reaction gives off 10.24 L of ammonia measure at 52*C and 105.3kPa what was the percent yield of the reaction?
Write a balanced equation for each of the two steps of the reaction, namely: (1) the reaction between benzyltriphenylphosphonium chloride and sodium hydroxide
exactly 16.9mL of EDTA are required to reach the EBT endpoint. calculate the total hardness in ppm CaCO3.
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
If 3.8 kcal is released by combustion of each gram of glucose, how many kilocalories are released by the combustion of 1.41 mole of glucose?
The element cesium (Cs) freezes at 28.4 degree celsius, and its molar enthalpy of fusion is delta H fusion =2.09kJ/mol. a.) when molten cesium solidifies to Cs (s) at its normal melting point, is delta S positive or negative? b.)calculate the valu..
How many moles of oxygen gas are needed to completely react to produce 0.94 moles of sulfur trioxide?
If a chemical reaction occurs at a rate of 2.25 * 10-2 moles per liter per second at 322 K, what is the rate expressed in moles per liter per minute?
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