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Question- How much energy (in kilojoules) is released when 16.1g of steam at 112.5 C is condensed to give liquid water at 79.0 C? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/(kJ*mol) for the liquid and 33.6 J/(kJ*mol) for the vapor.
Explain each and every step in detail. I need proficient help in the above problems.
A substance has a solubility of 350 ppm. How many grams of the substance are present in 1.0 L of a saturated solution.
Problem- You are given Br2 water and I2 water however the bottles are not labeled. The color of both solutions is similar. What reaction would you perform to identify which halogen is in which bottle
Explain a solution of 1.00 g of anhydrous aluminum chloride AlCl3 in 50.0 g of water is found to have a freezing point of -1.11 degrees Celsius. Define Kf (H20) = 1.86 degrees Celsius/m.
Would the following procedural errors cause an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case.
column of air with a pressure of 1.57 *10^5 Pa and an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
Calculate Delta G and Delta A for the vaporization of 1.00 mol H2O at 1.00 atm and 100 ?C. Consider the process reversible. The density of H2O(l) at 100 ?C and 1 atm is 0.958 g/cm3.
what is thee sum of the charges on alanine aspartic acid and lysine? how did you find this answer?now design a
Question- If 0.900mol of a nonvolatile nonelectrolyte are dissolved in 3.80mol of water, what is the vapor pressure PH2O of the resulting solution. The vapor pressure of pure water is 23.8 torr at 25 ?C.
4.00 mol CO2 is placed in a 6.00 L container at a temperature where 12.3% of it decomposes. What is the value of Kc for the following at this temperature
Cobalt-60 exhibits first order decay and has a half-life of 5.26 years. If it must be replaced in a radiotherapy unit when its radioactivity decreases to 75% of its original value, how long can a 1.00 g sample be employed?
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
suppose you have a new thermometer called the x thermometer. on the x scale the boiling point of water is 130 degrees x
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