Arrange the following images of an aqueous base solution in order of increasing base strength:
A) A, B, C
B) B, C, A
C) C, B, A
D) A, C, B
E) All are equally strong.
Answer: A
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An ideal gas is expanded isothermally from 20 L to 30 L. During this process, 6 J of energy is expended by the external mechanism that expanded the gas. Which of the following statements is correct?
A) 6 J of energy flow from surroundings into the gas. B) 6 J of energy flow from the gas into the surroundings. C) No energy flows into or from the gas since this process is isothermal. D) None of the above statements is correct.
A 12.0 V battery is placed across a 4.00
resistor. If the current through the resistor is 2.80 A, what is the internal resistance of the battery?
A. 0.200
B. 0.290
C. 4.29
D. 3.71
E. 0.800
Under what circumstances will a nova occur?
What will be an ideal response?
The bond between different inert-gas atoms in liquids and solids is the ______________electric dipole bond.
Fill in the blank(s) with the appropriate word(s).