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Simora [160]
2 years ago
8

Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final

Chemistry
1 answer:
wel2 years ago
4 0

Answer:

The answer would be 1.5 kJ.

Explanation:

When you use the equation q = m x c x ∆T you will be able to find the energy gained or lost. The data for the water in this case is just there to distract you so ignore it. :D

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Ions, isotope, average atomic mass fill in the blank
Zarrin [17]

For Row 1 according to the respective Column is

  • Zn^{2+} , 32 ,65 ,32 ,30 ,34 ,2+

For Row 2 according to the respective Column is

  • Mn, 25, 55, 25, 25,30, 3-

For Row 3 according to the respective Column is

  • P, 15, 31, 15 ,15 ,16 ,0

For Row 4 according to the respective Column is

  • O^{2-} , 8 ,16 ,8 ,6 ,8 , 2-

For Row 5 according to the respective Column is

  • Na, 11, 23, 11, 10, 12, 1-

From the question we are told

Ions, isotope, average atomic mass fill in the blank

Generally

Where

  • Z signifies the Proton Number of the atom
  • A signifies Mass Number of the atom

Therefore

For Row 1 according to the respective Column is

  • Zn^{2+} , 32 ,65 ,32 ,30 ,34 ,2+

For Row 2 according to the respective Column is

  • Mn, 25, 55, 25, 25,30, 3-

For Row 3 according to the respective Column is

  • P, 15, 31, 15 ,15 ,16 ,0

For Row 4 according to the respective Column is

  • O^{2-} , 8 ,16 ,8 ,6 ,8 , 2-

For Row 5 according to the respective Column is

  • Na, 11, 23, 11, 10, 12, 1-

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2 years ago
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