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padilas [110]
3 years ago
9

What element is being reduced in the redox reaction? H2O2+ ClO2- > ClO- + O2

Chemistry
1 answer:
slava [35]3 years ago
6 0

Answer:

Cl

Explanation:

Because the oxidation state reduces from+3 in ClO2- to +1 in ClO- and oxygen is being lost

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A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg.
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2 years ago
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Under the same conditions of temperature and pressure, which of the following gases would behave most like an ideal gas?Ne, N₂,
malfutka [58]

Answer:

Ne

Explanation:

Atomic number of Ne is 10.

Electronic configuration of Ne:

1s^2 2s^2 2p^6

Octet of Ne is complete . Element having complete octet are stable and behave ideal gas.

N_2 and CH_4 are reactive and hence, does not behave as ideal gas.

3 0
2 years ago
3) Which elements occur diatomically?​
never [62]

Answer: Diatomic elements are pure elements that form molecules consisting of two atoms bonded together.

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Explanation:

5 0
3 years ago
What is the molar mass of calcium chloride dihydrate (CaCl2 • 2H2O)? Be sure to
Verdich [7]

Calcium chloride dehydrate (CaCl₂ · 2 H₂O) have a molar mass equal to 147 g/mol.

Explanation:

To calculate the molar mass of calcium chloride dehydrate (CaCl₂ · 2 H₂O) we use the following formula:

molar mass of CaCl₂ · 2 H₂O = atomic weight of Ca × 1 + atomic weight of Cl × 2 + atomic weight of H × 4 + atomic weight of O × 2

molar mass of CaCl₂ · 2 H₂O = 40 × 1 + 35.5 × 2 + 1 × 4 + 16 × 2

molar mass of CaCl₂ · 2 H₂O = 147 g/mol

Learn more about:

molar mass

brainly.com/question/6112557

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