Can "conventional chemistry" physical chemistry, such as study of kinetics, thermodyanamics, spectroscopy and electrochemistry, be regarded as a kind of computational chemistry.
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Can "conventional chemistry"
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- Could you help me with question 5a, 5b, 5i, 5ii?The compound diborane (B2H6) was at one time considered for use as a rocket fuel. Its combustion reaction is B2H6(g) + 3 O2(l) → 2 HBO2(g) + 2 H2O(l). The fact that HBO2, a reactive compound, was produced rather than the relatively inert B2O3 was a factor in the discontinuation of the investigation of the diborane as a fuel. What mass of liquid oxygen (LOX) would be needed to burn 234.4 g of B2H6? Answer in units of g. (part 2 of 2) What mass of HBO2 is produced from the combustion of 94.7 g of B2H6? Answer in units of g.Write a short note on the history of inoganic chemistry.
- Define combinatorial chemistry4. Which of the following best describes the timescales of fluorescence and phosphorescence? (b) Tfluorphos (d) there is no general trend Tfluor > Tphos Tfluor Tphos In 1-2 sentences, explain your reasoning:The Weibull distribution is widely used in statistical problems relating to aging of solid insulating materials subjected to aging and stress. Use this distribution as a model for time (in hours) to failure of solid insulating specimens subjected to AC voltage. The values of the parameters depend on the voltage and temperature; suppose ? = 2.2 and ? = 220. (a) What is the probability that a specimen's lifetime is at most 250? Less than 250? More than 300? (Round your answers to five decimal places.) at most 250 less than 250more than 300 (b) What is the probability that a specimen's lifetime is between 100 and 250? (Round your answer to four decimal places.) (c) What value (in hr) is such that exactly 50% of all specimens have lifetimes exceeding that value? (Round your answer to three decimal places.) hr
- (iii) Polymerisation reactions typically proceed via chain growth steps, which can be described by the following reaction, irrespective of the chain length, 'n’. An(1) + A(l) → An+1(1) AS < 0 Explain why polymerisation reactions which involve endothermic chain growth steps do not occurGeneral Chemistry 4th Edition McQuarrie • Rock • Gallogly University Science Books presented by Macmillan Learning A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction АТР(аq) + H,О() — ADP(aq) + HРО (аq) ADP(aq) + HPO, (aq) for which AG;ixn = -30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of AGrxn in a biological cell in which [ATP] = 5.0 mM, [ADP] = 0.10 mM, and [HPO;-] = 5.0 mM. kJ/mol rxn Is the hydrolysis of ATP spontaneous under these conditions? О yes no Question Source: McQuarrie, Rock, And Gallogly 4e - General Chemsitry | Publisher: University Science Books ?The overall reaction of hydroxide radical with hydrogen gas occurs as follows: OH'g) + H,(g) – H0(g) + H'(g) Part A This reaction plays a significant role in the chemistry of the earth's atmosphere by eventually converting OH to HO, through the subsequent reaction of H with O,. HO, is involved in the destruction of stratospheric ozone (J. Phys. Chem. A, 2006, 110, 6978). Determine the activation energy for the reaction of OH with H, reaction. The rate constants for the reaction of OH with H, were found to be 5.54x10 L mol s at 36. C and 1.09x10 L molrs at -27. °C. -20.9 kJ mol1 O 18.3 kJ mol1 O 25.1 kJ mol O -18.3 kJ mol O 25.1 kJ mol
