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Illustrate the overlap (draw a picture if possible) of a carbon sp3 orbital with the 1s1 atomic orbital of a hydrogen bond to form a C-H single bond
What would you use to prepare a buffer system with a pH of around 4.2. What would you use to make a buffer with a pH of around 9.2? Describe the process you used to choose the correct buffer for each pH.
when steam condenses to liquid water 2.26kj of heat is released per gram. the heat from 168g of steam is used to heat a
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2mL of water, a completely homogenous solution was formed. Draw the sturctures of the species present in the water.
How much heat is evolved in converting 1.00 mol of steam at 155.0C to ice at -45.0°C? The heat capacity of steam is 2.01 J/(g⋅°C) and of ice is 2.09 J/(g⋅°C)
As he was looking for the baking soda he found something else that would help alleviate the rash. What could've AJ used to help with the diaper rash?
460. mL of hydrochloric acid (HCl) acid is exactly neutralized with 485 mL 0.660 M NaOH solution. What is the concentration of the acid solution.
Urea is an organic compound widely used as a fertilizer. its solubility in water allows it to be made into aqueous fertilizer solutions and applied to crops in a spray. what is the maximum number of water molecules that one urea molecule can hydrog..
If an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87 C
A student adds 6.60 of a 0.380 solution to the beaker. How much will the pH change? The of acetic acid is 4.760.
Xenon can be the central atom of a molecule by expanding beyond an octet of electrons. Draw Lewis structure for the following xenon compound.
A thermos container has 0.075 kilograms of distilled water at a temperature of 27 degrees Celcius. A 0.0076 kilogram sample of solid ammonium nitrate is dissolved in the water in the Thermos container and the temperature is measured to be 22.4 deg..
Dipole moment, Formaldehyde has a very large dipole moment (2.33 Debye) whereas carbon monoxide has a very small dipole moment (0.11 Debye)
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