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4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
How many grams of CH4 is needed to produce 33.5 g CHCl3.
what change in the number of moles of Ag occurs in the system? (2)what change in the concentration of Ag occurs in the system?
Sodium azide, NaN3 , is made for use in car 'air bags'. When this compound is heated to 300 degrees celsius, it rapidly decomposes into its elements.
Outline the phase diagram for acetic acid given the following information: triple point at 289.7K and 1.29 kPa; critical temperature = 590.7K; critical pressure = 5.78 MPa freezing points are 289.8K at 0.1 MPa
Problem- A 20.00 mL sample of propanoic acid, HC3H5O2, is titrated with strong base. The end point is reached upon addition of 30.00 mL of base. The following data is obtained
How much heat energy is liberated when 11.0 grams of manganese is used in the formation of Mn2O3. PHf° for Mn2O3 is -962.3 kJ/mol
once upon a time when i was about your age beverage cans were made of steel were opened with a virtually extinct
A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates. When the supernatant solution is made basic, a liquid B sep..
If the compound dichlororodifluoromethane (CCl2F2) has a normal boiling point of -30C a critical temperature of 112C as well as a corresponding critical temperature of 40 atm. Explain if the gas is compressed to 18atm at 20C, will the gas condense..
Calculate the Standard deviation and the relative standard deviation of these analyses. Calculate the 95% confidence limits for the mean of this data. show the calculation process
what it is perscribed for 3.Mechanism of action( for example: how it binds to biological molecules, how it may inhibit enzyme activity.)
Problem- An aqueous solution has a normal boiling point of 103 c. What is the freezing point of his solution. For Water Kb= 0.51 C/m and Kf= 1.86 C/,
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