Physics, 15.04.2020 21:29 smiley0326
For a reaction in a voltaic cell both ΔH° and ΔS° are positive. Which of the following statements is true?
a. ε°cell will decrease with an increase in temperature.
b. ΔG° > 0 for all temperatures.
c. ε°cell will increase with an increase in temperature.
d. ε°cell will not change when the temperature increases.
e. None of these choices statements is true.
Answers: 2
Physics, 22.06.2019 00:00
Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.
Answers: 2
Physics, 22.06.2019 06:30
If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
Answers: 3
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
For a reaction in a voltaic cell both ΔH° and ΔS° are positive. Which of the following statements is...
Mathematics, 12.01.2021 22:50
Chemistry, 12.01.2021 22:50
Mathematics, 12.01.2021 22:50
English, 12.01.2021 22:50
Mathematics, 12.01.2021 22:50
Mathematics, 12.01.2021 22:50
Chemistry, 12.01.2021 22:50
History, 12.01.2021 22:50
Biology, 12.01.2021 22:50
Mathematics, 12.01.2021 22:50
Mathematics, 12.01.2021 22:50
Mathematics, 12.01.2021 22:50
Biology, 12.01.2021 22:50