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maksim [4K]
2 years ago
6

Why does autumn start in different months of the year in North America and South America?​

Chemistry
1 answer:
Marizza181 [45]2 years ago
4 0

Answer:

The position of the sun

Explanation:

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SI unit of frequency is Hertz(Hz)
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What is an organ that absorbs water and vitamin K from digested food
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Balance the following skeleton reaction in acidic solution (if the coefficient is 1, put 1; if the coefficient is 0, put 0) and
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Answer:

2 CrO42- + 3N2O + 10 H+ -----> 2Cr3+ + 6NO + 5H2O

Explanation:

2 CrO42- + 3N2O + 10 H+ -----> 2Cr3+ + 6NO + 5H2O

Oxidizing agent: -----------------------------> CrO42-

Reducing agent: ----------------------------> N2O

explanation:

in CrO4-2 oxdiation state of Cr = +6

in Cr+3 oxidation state = +3

+6 oxidation state changed from +3 it is reduction .

so CrO4-2 is oxidizing agent

atomatically

N2O should be reducing agent

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I'm so sorry if it doesn't:

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Fe₂O₃ + 3CO ➡️ 2Fe + 3CO₂

A reaction mixture initially contains 23.00g Fe₂O₃ and 15.40g CO.

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A scientist dissolves 10 g of NaOH into 0.275 L of water. What is the
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