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Solnce55 [7]
3 years ago
6

2HgO(s)---->2Hg(I)+O2(g) which type of reaction occurs

Chemistry
2 answers:
kaheart [24]3 years ago
8 0
Decomposition,because 1 breaks down into 2
mixer [17]3 years ago
8 0

Answer:

A. a decomposition reaction in which a metal is reduced

Explanation:

I just took the quiz.

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Spell out the full name of the compound. ​
andre [41]

Answer:

it is propane

C3H8 it is propane

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2 years ago
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Write the charge balance for a solution that contains h , oh–, mg2 , hso4–, so42–, mg(hso4) , mg(oh) , na , and no3–.
Olenka [21]
A solution is when a solute is added to a water solvent. Since water is neutral, the charge of the said solution is dictated by the charge of the ion. This is the subscript of the element. If it is not stated, then we use the common ion form.

1. H: The charge for hydrogen ion is +1.
2. OH⁻: The charge is ⁻1.
3. Mg2: This ion has a charge of +2.
4. HSO₄⁻: -1
5. SO₄²⁻: -2
6. Mg(HSO₄): This is not an ion, but an undissociated compound. So, it has a neutral charge of 7.
7. Mg(OH): Neutral at pH 7
8. Na: Sodium ion has a charge of +1.
9. NO₃⁻: -1.
5 0
3 years ago
This has been deleted as question wasn't answered on time
astra-53 [7]
How i be feeling waiting for my questions to be answered in the middle of a quiz.
8 0
3 years ago
How does wavelength affect the pitch of a sound?
boyakko [2]

Answer:

D

Explanation:

because the higher the wavelength the shorter the pitch and the shorter the wavelength the higher the pitch

3 0
2 years ago
How much heat (in kJ k J ) is evolved in converting 2.00 mol m o l of steam at 135 ∘C ∘ C to ice at -42 ∘C ∘ C ? The heat capaci
vovikov84 [41]

The total quantity of heat evolved in converting the steam to ice is determined as  -12,928.68 J.

<h3>Heat evolved in converting the steam to ice</h3>

The total heat evolved is calculated as follows;

Q(tot) = Q1(steam to boiling point) + Q2(boiling point to ice) +Q3(freezing to -42 ⁰C)

where;

  • Q is heat evolved

Q = = mcΔθ

where;

  • m is mass,  (mass of water = 18 g/mol)
  • c is specific heat capacity,
  • Δθ is change in temperature

Q(tot) = 2(18)(2.01)(100 - 135) + 2(18)(2.01)(0 - 100) + 2(18)(2.09)(-42 - 0)

Q(tot) = -12,928.68 J

Thus, the total quantity of heat evolved in converting the steam to ice is determined as  -12,928.68 J.

Learn more about heat here: brainly.com/question/13439286

#SPJ1

8 0
1 year ago
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