Chemistry, 21.06.2021 02:20 cjsboardinghouse
(PLEASE HELP!!)A gas has a volume of 1000.0 mL at a temperature of 20.OKand a pressure of 1.0 atm. What will be the new volume when the temperature is changed to 40.0K and the pressure is changed to 0.5 atm?
Answers: 3
Chemistry, 22.06.2019 14:20
Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
Answers: 1
Chemistry, 23.06.2019 00:30
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
Chemistry, 23.06.2019 12:30
The equilibrium constant kc for the reaction 2 nocl(g) ā 2 no(g) + cl2(g) is 0.453 at a certain temperature. a mixture of nocl, no, and cl2 with concentrations 1.30, 1.20, and 0.600 m, respectively, was introduced into a container at this temperature. which of the following is true? 1. no apparent reaction takes place. 2. [cl2] = 0.30 m at equilibrium. 3. nocl(g) is produced until equilibrium is reached. 4. [nocl] = [no] = [cl2] at equilibrium. 5. cl2(g) is produced until equilibrium is
Answers: 3
Chemistry, 23.06.2019 15:40
The table below shows the freezing points of four substances. substance freezing point (Ā°c) benzene 5.5 water 0 butane ā138 nitrogen ā210 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 0Ā°c? benzene water butane nitrogen
Answers: 2
(PLEASE HELP!!)A gas has a volume of 1000.0 mL at a temperature of 20.OKand a pressure of 1.0 atm. W...
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