Chemistry, 23.06.2019 15:40 butterflycc
The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen
Answers: 2
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 3
Chemistry, 22.06.2019 00:40
Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).
Answers: 2
Chemistry, 22.06.2019 09:00
Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
Answers: 3
Chemistry, 22.06.2019 22:30
Calculate the concentration of all species in a 0.165 m solution of h2co3.
Answers: 1
The table below shows the freezing points of four substances. substance freezing point (°c) benzene...
Mathematics, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
Biology, 04.12.2019 08:31
History, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
English, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31
Mathematics, 04.12.2019 08:31