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Pani-rosa [81]
2 years ago
8

When the moon moves directly between the sun and Earth and casts its shadow over part of Earth, you are

Chemistry
2 answers:
Vikki [24]2 years ago
8 0
C lunar Eclipse should be correct
chubhunter [2.5K]2 years ago
7 0

Answer:C

Explanation:you are seeing a lunar eclipse when the moon moves directly between the sun and the earth and casts a shadow. Hope this helps!

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What is the difference between physical and chemical change?
Vikki [24]
There are several differences between<span> a </span>physical and chemical change<span> in matter or substances. A </span>physical change<span> in a substance doesn't </span>change<span> what the substance is. In a </span>chemical change<span> where there is a </span>chemical<span> reaction, a new substance is formed and energy is either given off or absorbed.</span>
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3 years ago
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A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?
Alex17521 [72]
0.408 gram for 180-lb patient
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What type of wave it do the contractions of the snakes muscles make as a snake moves forward
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Hello.

<span>It makes a longitudinal wave because it stretches and compresses while as it slithers foward.
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3 years ago
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What is the molality of a solution made by dissolving 137.9g of sucrose in 414.1g of water?
Daniel [21]

Answer: 2.71 moles of solute for every 1 kg of solvent.

Explanation: As you know, the molality of a solution tells you the number of moles of solute present for every 1 kg of the solvent.This means that the first thing that you need to do here is to figure out how many grams of water are present in your sample. To do that, use the density of water.500.mL⋅1.00 g1mL=500. g Next, use the molar mass of the solute to determine how many moles are present in the sample.115g⋅1 mole NanO385.0g=1.353 moles NaNO3So, you know that this solution will contain 1.353moles of sodium nitrate, the solute, for 500. g of water, the solvent.In order to find the molality of the solution, you must figure out how many moles of solute would be present for 1 kg=103g of water.103g water⋅1.353 moles NaNO3500.g water=2.706 moles NaNO3You can thus say that the molality of the solution is equal to molality=2.706 mol kg−1≈2.71 mol kg−1 The answer is rounded to three sig figs.

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3 years ago
Which statement best describes plastics
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<span>plastics are poor insulators because the electrons in the atom are tightly bound and unable to move between other atoms. </span>
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