A reaction will occur when a piece of Mg is placed in aqueous Zn(NO3)2 if Mg is ______________ Zn in the activity series
Fill in the blank(s) with correct word
above, or higher than
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Which is a distinguishing characteristic of the Jovian planets? a. Jovian planets are rocky
b. Jovian planets are geologically inactive. c. Jovian planets have rings. d. Jovian planets have only one or two moons. e. Jovian planets have high albedos.
Suppose an object is suspended from strings as shown in the diagram below.
Which exerts the largest force on the connecting ring? A. String A B. String B C. String C
The Earth's orbital eccentricity does not play a major role in our seasons, for perihelion occurs in January. Is this true on Mars also?
What will be an ideal response?
According to the nuclear energy curve, would fusion or fission or neither release nuclear energy from carbon [atomic number 6], and why?
A) Neither, because all other elements have higher nuclear energies. B) Fission, because then the reaction products have lower atomic numbers and a higher nuclear energy. C) Fission, because then the reaction products have higher atomic numbers and a lower nuclear energy. D) Fusion, because then the reaction product has a higher atomic number and a lower nuclear energy. E) Fusion, because then the reaction product has a lower atomic number and a higher nuclear energy.