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Calculate the heat released when 72.0g of steam at 131C is converted to water at 44.0C. Assume that the specific heat of water is 4.184J/gC, the specific heat of steam is 1.99J/gC and delta H of vaporization is 40.79kJ/mol for water.
What is the neutralization reaction for each of the following. which reactant is being oxidized and which is being reduced in each of these two reactions
Calculate the mass of air in an air-filled tire. Part B: Calculate the mass of helium in a helium-filled tire. Part C: What is the mass difference between the two?
Calculate the amount of heat required to raise the temperature of 100.0g of water from -0.10 C to +0.10 C
Complete the following neutralization reaction, and identify the strong acid, strong base, weak acid and/or weak base.
Formation of SO3 from the air pollutant SO2 is a key step in the formation of acid rain, according to the following reaction. Use standard enthalpies of formation from Appendix L to calculate the enthalpy change for the reaction.
calculate the number of moles of carbon dioxide formed if 23.1 ml of sodium carbonate reacts with excess hydrochloric acid.
a calculate pcunbspfor the titration of 10.00 ml of 0.05000 m of i-nbspwith 0.02500 m cunbspstandard solution when
A cubic box with sides of 20 cm is closed and sealed in Tucson where the atmospheric pressure is 90 mbar. It is driven to the top of Mount Lemmon where the pressure is reduced to 745 mbar. What is the net force on the lid of the box due to the air
methane and air in stoichiometric proportions are brought into a calorimeter at 500k. the product compositions is
The value of deltaH for the reaction CH3OH (l)---->CO (g) +2H2 (g) is +128.1 kJ. How many kJ of heat are consumed when 5.10 g of H2 (g) is formed as shown in the equation
Calculate the pH for 5 x 10-10 M HClO4. Please show work. The answer should come out to pH7 when auto-ionization of water is factored
Bromothymol blue, ka = 1.6 x 10^-7, is yellow in its protonated form (HX) and blue in its ionized form (X-). At what PH will bromothymol blue be a perfect green color
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