A compass needle normally points toward Earth’s magnetic pole, which is near the North Pole. Which best explains why the needle moves away from the pole when it comes close to a current-carrying wire? Current within the wire weakens the magnetic force of the pole. Magnetism surrounding the wire weakens the magnetic force of the pole. Current within the wire draws the needle toward the wire. Magnetism surrounding the wire draws the needle toward the wire.
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Which characteristics can be used to differentiate star systems? check all that apply.
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6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
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Chemistry, 23.06.2019 08:00
What is the temperature in kelvin of a gas if it is allowed to expand from 1.50 l to 4.50 l? the initial temperature is 10.0°c and pressure is constant throughout the change. which equation should you use? t2= v2/v1 t1 what is the final temperature? ⇒ 849 k these are the answers.
Answers: 1
A compass needle normally points toward Earth’s magnetic pole, which is near the North Pole. Which b...
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