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Ksju [112]
3 years ago
9

Which statement describes the transfer of heat energy that occurs when an ice cube is added to an insulated container with 100 m

illiliters of water at 25 degrees Celsius?
1. Both ice cubes and the water will lose heat energy
2. Both the ice cubes and water gain heat and energy
3. The Ice Cube's gain heat energy and the water loses heat energy
4. The Ice Cube loses heat energy and the water gains heat energy
Chemistry
1 answer:
nadya68 [22]3 years ago
4 0
Number 3 is the most likely answer
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Ethanol (C2H5OH) and water (H2O) are both liquids at or near room temperature. When a sample of ethanol is poured into a beaker
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a. Are miscible because each can hydrogen bond with the other.

Explanation:

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Ethanol has an hydroxyl group which will bond to form an intermolecular bond with the oxygen and hydrogen on the water molecule. This attraction makes them miscible.

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What type of reaction is this?<br> 2 A1203 (s) + 4 Al(s) + 3 O2 (g)
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Explanation:

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Dahasolnce [82]

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87.78 in cubed

Explanation:

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5 0
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The circle on the left shows a magnified view of a very small portion of liquid water in a closed container. What would the magn
vovangra [49]
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8 0
3 years ago
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How much time is needed to deposit 1.0 g of chromium metal from an aqueous solution of crcl3 using a current of 1.5 a?
PSYCHO15rus [73]
The metal component of the given compound, CrCl3, is chromium. The number of moles per 1 g of chromium is calculated through the equation below,

        n = (1 g Cr)(1 mol Cr/51.996 g Cr)
              n = 0.0192 mol Cr(3 electrons/1 mol Cr) 
                n = 0.0577 e-

Determine the number in charge by multiplying with Faraday's constant,

      C = (0.0577 mol Cr)((1 F/1 mol e-)(96485 C/ 1F)
             C = 5,566.87 C

Then, calculate time by dividing the charge with the current,

     t = 5566.87 C/1.5 A 
     t = 3711.25 minutes
     t = 61.84 hours

<span><em>Answer: 61.84 hours</em></span>


8 0
3 years ago
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