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Contact [7]
3 years ago
6

In which kind of climate would frost wedging most liekly occur?

Chemistry
2 answers:
Mnenie [13.5K]3 years ago
5 0
The arctic climate most likely
kozerog [31]3 years ago
4 0
<span>A wet climate in which temperatures alternate between below freezing and above freezing.

Hope this helps! Good luck!! :]</span>
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It’s oxidation number is +6
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How many molecules are in 120 grams of Na2SO4
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3.06 × 10^23 molecules

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A chemist measures the energy change ?H during the following reaction: 2HgO (s) ?2Hg (l) +O2 (g) =?H182.kJ Use the information t
Elan Coil [88]

Answer:

A. endothermic.

A. Yes, absorbed.

Explanation:

Let's consider the following thermochemical equation.

2 HgO(s) ⇒ 2 Hg(l) + O₂(g)  ΔH = 182 kJ

The enthalpy of the reaction is positive (ΔH > 0), which means that the reaction is endothermic.

182 kJ are absorbed when 2 moles of HgO react (molar mass 216.59 g/mol). The heat absorbed when 72.8 g of HgO react is:

72.8g.\frac{1mol}{216.59g} .\frac{182kJ}{2mol} =30.6kJ/mol

6 0
3 years ago
Using the VSEPR theory , what would the representation mean A central atom with 2 connected atoms atom with I lone pair of Jone
VLD [36.1K]

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The molecule has a bent geometry

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Let us look again at the principles of VSEPR theory. The shape of a molecule depends on the number of electron pairs that surround the valence shell of the central atom in the molecule.

Lone pairs distort the molecular geometry away from what is expected on the basis of VSEPR theory.

The molecule described in the question has the form AEX2. Two substituents and one lone pair form three electron domains around the central atom. The expected geometry is trigonal planar but the observed molecular geometry is bent because of the lone pairs present.

3 0
3 years ago
Is the asthenosphere or the lithosphere closer to the outer core
Murrr4er [49]
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