Chemistry, 12.07.2019 14:00 jennnifercrd59jc
Which of the following substances has a standard heat of formation δh°f of zero? choose one or more: a. pb at 1000°c b. c3h8 (g) at 25.0°c and 1 atm pressure c. solid glucose at room temperature d. n2(g) at 25.0°c and 1 atm pressure
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.
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Which of the following substances has a standard heat of formation δh°f of zero? choose one or mor...
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