Chemistry, 19.01.2021 19:20 carsyn2016
The seafloor spreads in opposite directions as magma forces its way upward. Geologists have observed matching, reversed magnetic bands
on both sides of this ridge. Which is the best explanation of these matching, reversed bands?
A. Magma is so hot that it mixes the magnetic direction.
OB. The pushing of lava and rock creates enough pressure to affect magnetic direction.
O C. The position of the Earth in relation to other planets causes magnetic changes.
O D. The Earth experiences cycles of magnetic poles reversing.
O E. The earthquakes resulting from the magma movement cause the magnetic changes.
Answers: 3
Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
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Chemistry, 22.06.2019 02:50
Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
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The seafloor spreads in opposite directions as magma forces its way upward. Geologists have observed...
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