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Chemistry is a natural science that deals with _ and the changes it undergoes. Matter is anything that has _ and occupies_. Matter exists in three states,_,_,and _. A solid has a definite_and_. A liquid has a definite volume, but takes the _of its container. A _takes both the shape and volume of its container.
Define the effect that van der Waals forces have in folding of globular proteins. Explain what sort of structures can be affected by van der Waals forces. Explain how would proteins fold differently in a world without van derWaals forces
The enthalpy of combustion for C6H12O6(s) is -2830kj/mol. Write a balanced equation for the combustion of C6H12O6 in air. Using the delta Hac values and the given heat of combustion calculate the standard enthalpy of atom combination Delta H ac of ..
How many grams of sodium nitrite must be added to 120.0 mL of 0.15 M nitrous acid in order to prepare a buffer solution at pH 4.3? The pKa of nitrous acid is 3.337.
Incandescent white of a fireworks display caused by a formation of P4O10,which occurs by the combustion of phosphorus, how many moles of O2 are needed to combine with .221 mol of p
Carbon disulfide can be made from reacting sulfur dioxide with carbon. The reaction is: 5C + 2SO2 = CS2 + 4CO How many grams of carbon disulfide can be produced from 450 grams of sulfur dioxide if excess carbon is added
Measurement of the concentration of Fe3+ ions in a saturatedsolution of iron(III) chloride was found to be 0.35M. Calculate the Ksp of iron(III) chloride
For gases, the canonical partition function, Q, is related to the molecular partition function q by Q = q^N/N!. Use the expression for q and general thermodynamic relations to derive the perfect gas law pV = nRT.
A typical home uses approximately 1400 kWh of energy per month. If the energy came from a nuclear reaction, what mass would have to be converted to energy per year to meet the energy needs of the home
Giving examples give the mechanisms of Aldol condensation between two molecules of aldehydes and two molecules of ketones
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
Explain how you known. Use Lewis dot drawings as part of your explanation. Ag+ + 2NH3 --> [Ag(NH3)2]+
a solid,is thought to be either zinc or lead(2)nitrate.how are we going to determine the identity of the solid?
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