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Fantom [35]
2 years ago
11

Three examples where is helpful to have a low reaction rate

Chemistry
1 answer:
lesantik [10]2 years ago
5 0

Explanation:

combustion of fuels

digestion of food

cooking of food

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Which of these best describes Earth’s core?
Monica [59]
Hello!

Your answer is A.. Earth's core is the most dense layer and it consists of the outer core and the inner core.

Hope this helps :))
5 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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Which star is the smallest
saul85 [17]

Answer:

red dwarf star

Explanation:

6 0
3 years ago
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Please help
Mashutka [201]

Answer:

Potential

Explanation:

The answer is potential!

6 0
2 years ago
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Question 9 (2 points)
KonstantinChe [14]

Answer:

0.39 moles

Explanation:

To find how many moles are in 50.0 g of CaC₂O₄ you divide the grams of the sample by the molar mass of the compound;

\frac{50.0 g}{128.097 g/mol}=0.39 mol

The grams cancel out and you are left with moles!

I hope this help ^-^

7 0
3 years ago
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