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What is the relationship between the two structures below?
A solution is made by mixing 12.0 g of NaOH and 75.0 mL of 0.200 M HNO3. Calculate the concentration of each ion remaining in the solution and determine whether the solution is acidic or basic.
What is the maximum height, neglecting all forms of friction, to which a car of mass 1000 kg an be driven on 1.00 gallon of fuel given that the engine cylinder temperature is 2000 degrees celsius and the exit temp is 800 degrees celsius.
Substance A has a greater molar mass than substance B. Both are nonelectrolytes. if 50 g of substance A are dissolved in 250 g of water in one beaker
If silica gel is used for the absorbent what has moved more a polar or nonpolar compound
A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 265.0 Torr at 45.0 °C. Calculate the value of ?H°vap for this liquid. Also, calculate the normal boiling point for this liquid.
1 kg air executes carnot power cycle having efficiency 60. heat transfer to the air during isothermal expansion is 40kj
how many grams of methane must be combusted to heat 1.20g of water from 23.0c to 93.0c assuming as a product and 100
How many amps are required to produce 72.5 g of potassium metal from a sample of molten potassium chloride
Measured properties are characterized by their accuracy and their precision. When using measured values in calculations, it is most important to note that precision can neither be gained nor lost. The rules for significant figures usually obey thi..
The sample is titrated to the phenolphthalein endpoint with 15.17 ml of a sodium hydroxide solution. What is the molar concentration of the NaOH solution
The combustion of oxalis acid in a bomb calorimeter yields 2816 J g^-1 at 25 degrees Celsius. Calculate a) Delta (c) U degrees and b) Delta (c) H degrees
Calculate the concentration of the potassium ion in grams per liters after mixing 100ml of KCL 0.250 M and 200 ml of K2SO4 0.100 M.
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