Numerade

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Question 21 (5 points) If you created a cell using the materials below match each correct response 1) Potassium ions 2) Dichromate ions 3) Hydrogen ions 4) Iron (II) Sulfate 5) Solid Iron 1. $$Cr_2O_7^{2-} + 14H^+ + 6e^- \rightleftharpoons 2Cr^{3+} + 7H_2O$$ 2. $$2Cr^{3+} + 7H_2O \rightleftharpoons Cr_2O_7^{2-} + 14H^+ + 6e^-$$ 3. $$K^+ + e^- \rightleftharpoons K$$ 4. $$Fe \rightleftharpoons Fe^{2+} + 2e^-$$ 5. $$Fe^{2+} + 2e^- \rightleftharpoons Fe$$ 6. $$SO_4^{2-} + 2H^+ + 2e^- \rightleftharpoons H_2SO_3 + H_2O$$ 7. $$H_2SO_3 + H_2O \rightleftharpoons SO_4^{2-} + 2H^+ + 2e^-$$ 8. $$K \rightleftharpoons K^+ + e^-$$ The reaction that occurs at the Anode Spontaneity of the cell The reaction that occurs at the Cathode Type oc Cell Electric Potential of the Cell 9. 1.68V 10. -1.68V 11. Spontaneous 12. Non - Spontaneous 13. Voltaic 14. Electrolytic

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The REBT approach considers the relationship between the group leader and members to be best described by which of the following? a. important mainly as a means to achieving outcomes b. the central therapeutic tool c. of very little importance d. a distraction that can get in the way of progress

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1-1. For each of the following studies indicate how and why you would classify the corresponding system as continuous, discrete, or combined: a) population study of people in a city; b) service area design for a gas station.

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Estimate the behavior of the real gas using the van der Waals equation of state. To prevent gas tank rupture in cases of fire, an engineering team is studying the effect of temperature on gases confined to small volumes. What is the pressure of 3.60 mol of gas D measured at 251 ∘C∘ in a 1.75-L container assuming real behavior?

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What is the SQL operator for equality? $==$ $<>$ $!=$ $=$

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Which of the following refers to the early school of psychology that emphasized the importance of unconscious causes of behavior? rationalism cross-cultural psychology psychoanalysis counseling psychology

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Vegetation prevents erosion mainly by: Oslowing down winds O adding moisture to topsoil O anchoring topsoil O creating crosswinds

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Question 5 Which protocol enables mail to be downloaded from an email server to a client and then deletes the email from the server? SMTP IMAP POP3 HTTP

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Why is carbon so important for creating the molecules of life

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Mark has been acting out at school during recess which he dreads going to everyday. He would much rather just be by himself and read his favorite book. When he hits the other children, he gets sent to the office for the remainder of recess. This "punishment" is not working, why? Group of answer choices Their function of Mark's behavior is attention The function of Mark's behavior is automatic The function of Mark's behavior is tangible The function of Mark's behavior is escape

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luis c.