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When gasoline burns, it reacts with oxygen in the air and forms hot gases consisting of carbon dioxide and water vapor. How does the potential energy of the gasoline and oxygen compare with the potential energy of the carbon dioxide and water vapor? Explain by selecting all true statements
The potential energy of the products is higher than the potential energy of the reactants.
The potential energy of the products is lower than the potential energy of the reactants.
Heat is released by the system.
Heat is absorbed by the system.
What is the equilibrium constant Kc of this reaction? Use an ICE table with numbers.
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Ar present
nickel acetate in a volumetric flask and add water to a total volume of 375 mL What is the concentration of the nickel cation? What is the concentration of the acetate anion?
A particular solution has a hydrogen ion concentration of 2.13 x 10-13 M. What is the pH of this solution?
If the gas was not pure butane but 10 mole percent propane and 90 mole percent butane then determine how would the MW value be affected?
How many grams of cisplatin are formed from 54.4g of K2PtCl4 and 36.4g of NH3 if the reaction takes place in 95% yield based on the limiting reactant.
What mass of carbon reacts completely with 17.8 grams of SiO2 according to the following equation? SiO2 (s) + 2C (s) → SiC (s) + 2CO (g)
Determine the freezing point and calculate the final temperature if initially this iron nail was at temperature of 28 degree Celsius?
Volume of added base required to reach the equivalence point? State the pH at one half of the equivalence point
A 59.0-g sample of an alloy at 93.0°C is placed into 264 g of water at 22.0°C in an insulated coffee cup. Assume that no heat is absorbed by the cup.
4HCl(aq) + O2(g)--->2H2O(l) + 2Cl2(g) how many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of particles?
BNCT relies on the initial targeting of tumor cells by an appropriate chemical compound tagged with 10 5 B , which preferentially concentrates in tumor cells.
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