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I(sub)0 is the minimum level of comparison. How many times greater was intensity of 1 earthquake R_1=8.8, than another earthquake R_2=6.8?
Discuss why is ethanol a bad choice for re-crystallizing ophthalmic acid? Why should water be used instead?
Write down a complete mechanism for the epoxidation of1-methylcyclohexene with peracetic acid. The reaction complete with sodium methoxide in the methanol. Show all products
Combustion analysis of a 13.42-g sample of estradiol (which contains only hydrogen, oxygen and carbon) formed 39.01 g CO2 and 10.65 g H2O. When the molar mass of estradiol is 272.38 g/mol, determine
Determine the final temperature of the water in degrees Celsius when a 150 ml sample of water at 290.8 K was heated for 9 mins 7 sec so as to give constant temperature increased of 3.0 F/min.
Chester and kirby are 2 labrador retrievers who, when they are not eating or thinking about eating. Which dogs obtains ball first and by how much time?
Determine the numbers of isomers are there in C6H12O6? This is glucose and there are two? The D and L? Is this right? Explain in detail.
Explain did the student obtain a solution that was less concentrated or more concentrated than the 1.00 M solution they were told to make?
A Cow's tender had rinsed fertilizer residue into water trough after the spreading fertilizers on his ranch. About 3 gallons of water remained in the water trough when the irrigation specialists arr
Methyl tert-butyl ether (a compound of H, C and O) improve the performance of the gasoline. When 12.1 g of the compound are burned in apparatus, 30.6g of CO2 and 14.8 g H2O are formed.
Octane, C8H18, is a component of gasoline. Complete combustion of octane yields H2O and CO2. In complete combustion formed H2O and CO, which not only reduced the efficiency of the engine using the f
Bit later, angle of elevation is now 40 degree and shuttle has moved by 100m during that time. Determine distance between camera and launch pad of shuttle.
Compute 100.0-g samples of two different compounds which are having only of carbon and oxygen. One compound contains 27.2 g of carbon and the other has 42.9 g of carbon. Why these data support the
The given are points on the terminal side of the angle. For each one, sketch the angle in standard position and estimate the 6 trigometric functions.
Suppose that the pressure was 1 bar and 30 °C, Explain how much work was done by the expanding gas that was created by the reaction of water and sodium?
Explain how would that have affected the result if methanol (S.G=0.810) were used rather than water in measuring the density of irregular objects.
They consider the combination of a continuous steady state catalytic reactor followed by the distillation with recycle of the un-reacted products at steady state in which the following reaction take
Determine the Orsatanalysis of the resulting flue gas where the moist hydrogen having 4 mole percent water is burnt totally in a furnace with 32% excess air.
A student had a sample that haveBaCl2C2H2O. How many grams of BaCl2C2H2O were present in the original sample if the mass of the sample decreased by 0.786 g.
Change the given number to polar form and then divide. State the result in rectangular form and polar form. Check the answer by dividing original numbers in rectangular form.
Calculate the mass of PbO is actually formed when the decomposition of Pb(NO3)2 produces PbO, NO2, O2 with a79.0 % yield and a 7.90-g sample of Pb(NO3)2 is heated.
Use available methods (in particular, Conjugate Roots Theorem, if suitable) to factor each of the given polynomials completely, making use of given zero if one is given.
Between a and b, population increases, and there is third number c such that rate of growth increases below c and decreases above c. Draw N'(t) as the function of N(t) for the population.
Determine the derivatives of the given functions. State what differentiation rules you use. f(x) = x · cos x. f(x) = sin(sin x).