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The combustion of propane illustrated by the following reaction releases 2428 KJ per mole of reaction. A sample of propane is burned at 59 degrees celsius and 746 mm Hg. The process produces 39.7 L
Describe three ways to could make and acetic acid/acetate buffer with acetic acid, sodium acetate, deionized water, a solution of hydrochloric acid and a solution of sodium hydroxide.
I need to write a paper on the French Commune of 1971 and Marxism. Can you help me write an introduction and give me themes to write about?
Suppose you wanted to make a pH=4.25buffer. What would be the best acid/base system: acetic acid/acetate or lactic acid/lactate? THe Ka of lactic acid is 8.32x10(exponent -4). Throughly explain your
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.300 M solution of ammonia, NH3, to prepare a buffer solution that has a ph of 8.73? pkb for ammonia is 1.8X10^-5.
Describe the coming of the french revolution. The information just have to be very accurate and presented well in a meaninful way in the order of the events
Assume that 50.00ml of 0.100M HCl was added to 125ml of 0.100M sodium acetate. Is the resulting solution a buffer? Why or why not? Calculate the pH of the resulting solution.
The pre-exponential factor for the gas-phase decomposition of ozone (unimolecular reaction) is 2.3x1013 L mol-1 s-1, and the experimental activation energy is 30.0 kJ mol-1. What is (a) the entropy,
What is the relationship between the bourgeioise and proletariat in the Communist Manifesto.
Calculate the percentages of dissociated and undissociated forms present in the following solutions:
Look up the molar mass and the density of 2-chloro-2-methylpropane in a reference book such as The Merck Index. Calculate the number of moles of HCl that are produced by complete hydrolysis of 1.0 m
The decade of the 1860s saw the success of the nation-building efforts of Bismarck and Cavour in Germany and Italy, respectively.
Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells' abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for am
In 1819 the only eurpoean date complete free of napoleon's influenc, and his major opponent was?
What controversy divided the clergy, nobility and the masses and led to the formation of the National Assembly?
a student dissolves a 6.58g sample of solid sodium hydroxide in 127.3g of water. Assuming that there is no heat exchanged with the surroundings, how much energy is given off? Show your calculations.
Discuss the German Schlieffen Plan. What was it; what were its goals; how did it work…and what forced the Germans to implement it?
Discuss the Fourteen Points and Treaty of Versailles. What were Woodrow Wilson’s major goals? He didn’t get what he wanted, so explain what the results actually were, as represented in the
How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the ther
Discuss the reasons behind the European “Scramble for Africa” in the late 1800s. Who started the ‘scramble’, why were the Europeans suddenly so desperate to acquire colonies
In 1810 the only european state completely free of napoleons influencs, and his major opponents was?
Explain the reason why england was the first state to industializ. Be sure to explain the Enclosure movement and the putting ot sysytem and how they, and other specific advantages, combined to make en
Disucss the Problems and shortcomings of the French government during the late 1700s, which ultimately led to the french revolution of 1789? (Explain why the french revolution occured)
Why is the "Old Womans story" and the character Martin important for understanding Votaire"s attack on the idea that we live in the best of all possible worlds?