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Chemistry, 09.12.2020 19:10 iibabycarrotsii
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A wave in the ocean has a wavelength of 2 m and frequency of 0.5 Hz. What is the speed of this wave?
A 1 m/s
B 2 mis
C) 10 m/s
D.10 m/s
Answers: 1
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The rock in a lead ore deposit contains 89 % pbs by mass. how many kilograms of the rock must be processed to obtain 1.5 kg of pb?
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What’s the scientific notation for the number 6,840,000,000
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What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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