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At 1 atm, explain how much energy is required to heat 57.0 g of H2O(s) at -20.0 C to H2O(g) at 139.0 C?
54.5 grams of ice initially at -5°C is added to 475 grams of liquid water initially at 49.5°C in a thermally insulated container. What is the temperature of the water once the contents of the container reach thermal equilibrium
If some of the product contained magnesium nitride rather than magnesium oxide, would the experimental % Mg be higher or lower than that expected for pure magnesium oxide. Mg3N2+3H2O=3MgO+2NH3
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) --> 2NH3(g) Assume 0.170 mol of N2 and 0.543 mol of H2 are present Initially
Use the H NMR spectrum of the purified cyclic acetal to identify the major diastereomer From borohydride reduction. There are no minor diastereomers. Draw its structure including stereochemistry. Determine the ratio between major:minor.
Determine the magnetic field B a distance z above the center of a circular loop of radius, r. After that show that the magnetic field at a given point inside a solenoid of n turns/unit length as well as carrying a current I is: B= 2 n I (cos1 + co..
For the reaction below, if the rate of apperance of Cl2 is .022M/s, what is the rate of appearance of NO
referring to the heating/cooling curve of a pure substance. Identify the line segment on the following diagram where the specific heat of the liquid is used to calculate energy flow
Which ground-state atom has an electron configuration described by the following orbital diagram? A antimony B germanium C indium D lead E tin
Commercial grade hcl solutions are typically 39.0% by mass HCL in water. Determine the molarity of the HCl solution if it has a density of 1.20 g/mL
In an experiment that is performed you use 1-hexene and is reacted with H2SO4 with water as the solvent. The product formed is 2-hexanol, is this an example of 1,4 addition, or proceeds via a carbanion,
Write the balanced neutralization reaction between H2SO4 and KOH in aqueous solution. Phases are optional.
determine the carburizing time necessary to achieve a carbonconcentration of 0.45 wt at a position 2 mm into an
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