Estimate change in energy of the gas
A gas expands and does pv work on its surroundings equal to 347 J. At the same time, it absorbs 127J of heat from the surroundings, what is the change in energy of the gas?
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0.75 g of hydrogen chloride (HCl) is dissolved in water to make 7.0 L of solution. What is the pH of the resulting hydrochloric acid solution?
An otherwise empty 2.50 L flask and heated to 200.°C, the pressure in the flask gradually rose to 1.63 atm and remained at that value. Calculate K for this reaction.
What criteria would you suggest that Pepsi and Suntory use when screening ideas for new limited-edition soft drinks?
A sprinter set a high school record in track and field, running 200. m in 22.0s . What is the average speed of the sprinter in kilometers per hour?
What are some experiences with cognitive development of a newborn child? Why? Pls answer in 100 words or less and cite url or references used.
Acetylene gas (C2H2) is produced as a result of the following reaction. CaC2(s)+2H2O(l) = C2H2(g)+Ca(OH)2(aq) .
Consider the titration of 30.0mL of 0.030M NH3 with 0.030M HCl. Calculate the ph after the following volumes of titrant have been added.
Given the pKa values of the acid are 2.148, 7.798, and 12.375, label the pH of each inflection point (except the last inflection point), and the midway point of each buffer region.
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