Chemistry, 09.10.2019 02:30 mdkester11
Select whether there is no work done by the system, work done by the system or work done by the surroundings for each system described below: a. h2o (l) \longrightarrow⟶ h2o (g) δh = 44.0 kj/mol b. 2 no (g) + o2 (g) \longrightarrow⟶ 2 no2(g) δh = -114.1 kj/mol c. cl (g) + o3 (g) \longrightarrow⟶ clo(g) + o2(g) δh = -163 kj/mol d. caco3 (s) \longrightarrow⟶ cao (s) + co2(g) δh = 110.1 kj/mol e. 4 nh3(g) + 5 o2(g) \longrightarrow⟶ 4 no (g) + 6 h2o(l) δh = -906 kj/mol
Answers: 2
Chemistry, 21.06.2019 20:40
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34
Answers: 2
Chemistry, 22.06.2019 18:30
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
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Chemistry, 22.06.2019 19:50
Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+
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Chemistry, 22.06.2019 22:30
Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
Answers: 3
Select whether there is no work done by the system, work done by the system or work done by the surr...
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