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Consider the following reactions carried out at a constant temperature and pressure. In which of these will the amount of work done be positive? Hint: only the coefficients of the reactants are given. All species are gas unless otherwise noted.
A) The synthesis reaction of 2 mol SO2 and 1 mol O2 to give SO3.
B) The synthesis reaction of 4 mol NO to give O2 and N2.
C) The decomposition reaction of 2 mol CCl2O to give CO and Cl2. D) The combustion of 2 mol CH3OH.
E) The conversion of 2 mol of solid I2 to gaseous I2.
What is the wavelength (in meters) of a proton (mass = 1.673*10^-24 g) that has been accelerated to 30% of the speed of light.
Constant temperature Calculate the work done (in joules) if thae gas expands against a constant pressure of 4.1 atm . Enter your answer in scientific notation
When the gases diydrogen sulfide and oxygen react, they form the gases sulfur dioxide and water vapor. A: Express the answer as a chemical equation. Identify all of the phases in the answer. Balance the equation
How many grams of aluminum hydroxide are obtained from 18.2g of aluminum sulfide?
Calculate kinetic energy of a 2 ton truck lumbering along at 60 mi/hr.
What gas was evolved when you treated the acetone-bisulfite addition compound with hydrochloric acid?
the catalyst reacts with the reactants. B. A catalyst initiates a chemical reaction. C. A catalyst lowers the activation energy of the reacting molecules
Predict the normal boiling point of pure B (in degrees Celcius) given that deltaHvaporization(Pure B)=67.9kJ/mol.
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning:
How many distinct terminal alkynes exist with molecular formula C5H8?
Calculate the freezing point depression of a solution containing 0.20% wt/v glucose (mol wt of 180) and 0.5% NaCl
When a 0.369 g sample was studied by combustion analysis, 0.662 g of CO2 and 0.0897 g of H2O formed. How many moles of each of the following were in the original sample? C: ? H: ? Cl: ? What is the molecular formula?
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