Discuss how much heat is released per mole of ethanol
For the equation C2H5OH (l) + 3O2 (g) --> 2CO2 (g) + 3H2O (g), ΔUrφ = -1373 kJ at 298 K. Discuss how much heat is released per mole of ethanol combusted?
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The percentage of an additive in the gasoline was calculated six times with the following results: 0.13, 0.12, 0.16, 0.17, 0.20, 0.11%. Identify the 90% and 99% confidence intervals for the percentage of the additive.
Consider an electron freely moving in a two-dimensional square box of length 2.50 nm. Calculate the zero-point energy of the particle.
What volume of the 50X stock is required if a garose gel buffer (TAE) is prepared as a50X stock to prepare 5 liters of buffer at the working concentration (1X).
i) Determine how fast and in what direction are the cars moving following the collision? ii) Determine how much kinetic energy is lost in the collision?
Discuss why the multiple extractions with smaller volumes of the extraction solvent are usually better than the single extractions with a larger volume of the extraction solvent?
The electron moves via a uniform magnetic field given by = Bx + (2.79 Bx). At a particular moment, the electron consists of velocity of 1.29+4.79 m/s and the magnetic force acting on it is (5.17 X 10-19) N. Determine Bx.
Calculate the percent yield for the reaction PCl3(g) +Cl2(g) PCl5(g) if 119.3g of PCl5 are produced when 61.3g of Cl2 react with excess PCl3?
A proton moving at 2.44 x 10^5 m/s elastically collides with the helium nucleus which is primarily at rest. Suppose that all of the motion is in one dimension. Find out the speed and direction of motion of each body subsequent to the collision.
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Which of the following pre-pregnancy risk factors increase the risk of having both gestational diabetes and pre-eclampsia?
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Choose the conclusions reached relating to vitamin D, calcium, or combined supplementation for the prevention of fractures in adults.
In addition to adequate intake of folate/folic acid, which of the following nutrients may help Amy reduce risk of having a baby affected by Neural Tube Defects?
15 year old male patient presents with complains on n/v and a bulge in the scotum while standing. during palaption of the scrotal sac
How do the humanities shape our understanding of ourselves and the world? In what ways do you think the study of humanities is relevant in contemporary society?