Younger crust being found near mid-ocean ridges supports
the idea of Plate Tectonics because
...
Younger crust being found near mid-ocean ridges supports
the idea of Plate Tectonics because
OCEANIC TRANSFORM FAULTS
Hold ocean widge
plate 1
plate 2
magma
A this indicates that new с this indicates that
crust is being formed over time, volcanoes are able to take place
pushing old crust outward. in different places on the Earth.
B
this indicates that new
crust is never formed.
D this indicates that the
continents are stationary.
Answers: 2
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The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 1
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Stage in which a star’s outer layers have started to cool and grow outward?
Answers: 3
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Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
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