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Which of the following statements are part of John Dalton's atomic theory? I. All atoms of an element are identical in all ways. II. Compounds are random chemical combinations of several elements. III. Compounds are always composed of two or more elements. IV. Atoms of different elements are different. V. Isotopes have the same number of protons but a different number of neutrons.
Montgomery & Co., a well established law firm, provided 500 hours of its time to Fink Corporation in exchange for 1,000 shares of Fink's $5 par common stock. Mitchell's usual billing rate is $700 per hour, and Fink's stock has a book value of $250..
Provide an estimate of the cross-price elasticity of demand for gasoline, both with respect to new cars and with respect to used cars. Are these estimates statistically significant? Do they align with economic theory? Give an interpretation of y..
Give your opinion on whether or not the development of the International Space Station stimulated economic growth. Justify your response.
A student is selected at random to represent the school at a conference. The probability that the selected student is a liberal arts major is what?
Describe the process of fat hydrogenation and discuss the advantages and disadvantages of hydrogenation.
show the calculation for the percent yield of K3[Fe(C2O4)3].3H2O using your actual yield and the theoretical yield
When a worker announces that she plans to quit, say next month, the threat of being fired is generally not credible. The worker may find it in her interest to shirk. What can a manager do to overcome this problem?
In November and December 2007, ABC Company received $75,000 for 1,000 three-year subscriptions at $25 per year starting with the January 2008 issue. What amount should ABC report in its 2007 income statement for Subscriptions Revenue
If 3 or fewer are defective, the lot is accepted. Based upon their sampling plan, what is the probability that a lot of 10 percent defective will be accepted?
Poodle Corporation was organized on January 3, 2011. The firm was authorized to issue 100,000 shares of $5 par common stock. During 2011, Poodle had the following transactions relating to shareholders' equity:
what are some difference or similarity in the type of inhibition caused by heat, acid or base and heavy metal ions on enzyme activity.
The heat fusion for water is 80. cal/g. How many calories of heat are released when 20 g of water is at 0 C is frozen to ice ?
Considering the Heisenberg's uncertainty principle, compute the uncertainty in the position of: a 1.50-mg mosquito moving at a speed of 1.40 m/s (if the speed is known to within a + or - 0.01 m/s)
what is the molar concentraion of the salt solution formed n this reaction? B. what is the molar concentraion of the excess reactant once this reaction has finished?
Determine the V of a voltaic cell (E°cell) if it is required to do 5.43 × 10¯3 Kilo Joule of work when a charge of 2.50 C is transmitted.
Consider the following specific heats: copper, 0.384 J/g·?C; lead, 0.159 J/g·?C; water, 4.18J/g·?C; glass, 0.502J/g·?C. If the same amount of heat is added to identical masses of each of these substance
How many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point? Given ΔHvap = 40.6 kJ/mol
A basketball is inflated to a pressure of 1.50 atm in a 20.0C garage. What is the pressure of the basketball outside where the temperature is -5.00C.
A 36.3 ml aliquot of 0.0529 M H2SO4 (aq) is to titrated with 0.0411 M NaOH (aq) What volumen (ml) of base will it take to reach the equivalence point
Identify the nuclide produced when americium-241 decays by alpha emission, 241 / 95 Am→ 4 / 2 He + ? Express your answer as an isotope using prescripts.
The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ → Sn4+ + 2Co2+ By what factor (how many times) will the rate constant increase.
A rigid tank contains 20 lbm of air at 20 psia and 70F. More air is added until the pressure and temperature rise to 35 psia and 90F
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