Part a
in an automobile collision, sodium azide, nan3, decomposes and fills an air bag with nitrogen gas. if an air bag contains 1400 g of nan, (6501 g/mol),
what is the volume of nitrogen gas produced at stp? the equation for the reaction is
2nan; (s)
2na(s) + 3n2(g)

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

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When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign