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kogti [31]
3 years ago
8

Help asap, testining

Chemistry
1 answer:
gayaneshka [121]3 years ago
4 0

Answer:

The answer is 10 degrees celsius

Explanation:

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In the molecule XeF2 the xenon uses which type of hybrid? O spºd O spºd? Osp? O sp3 Osp
ollegr [7]

Answer:

sp^3d

Explanation:

The hybridization of the any molecule can be calculated by the formula \frac{number\ of\ valence\ electron\ of\ central\ atom+number\ of\ monovalent\ atom\ -chare\ with\ sign}{2}

We know that Xe have 8 valence electron and 2 monovalent atom  (F) are attached with Xe and there is no charge

So hybridization =\frac{8+2-0}{2}=5

So the hybridization will be sp^3d

Note -

2 for sp

3 for sp^2

4 for sp^3

5 for  sp^3d

6 0
3 years ago
You work in a museum that has a huge, beautiful stamed-glass window: Each gamell dints the light a different coice. Recenty up a
borishaifa [10]

The plant that should be moved here to protect from malnourishment is plant 3. The correct option is C.

<h3>What is visible spectrum?</h3>

The visible light spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye. Simply put, this range of wavelengths is known as visible light.

The visible spectrum, also known as the optical spectrum, is the portion of the electromagnetic spectrum whose radiation consists of photons capable of sensitizing a normal person's human eye. The corresponding visible light radiation range is identified.

That being said, plant 3 is situated in front of a green stained glass window.

Plants have chlorophyll pigment that reflects back green light, making green light less effective for photosynthesis and causing them to die as quickly as if they were kept in the dark.

Thus, the correct option is C.

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3 0
1 year ago
. Calculate the mass of O2 produced if 3.450 g potassium chlorate is completely decomposed by heating in presence of a catalyst
Vesnalui [34]
 <span>2 KClO3(s) → 3 O2(g) + 2 KCl(s) 

</span><span>Note: MnO2 (Manganese Dioxide) is not part of the reaction. A catalyst lowers the activation energy and increases both forward and reverse reactions at equal rates. 
</span>
molar mass of KClO3 = 122.5
Moles of KClO3 =  3.45 / 122.55 = 0.028

Moles of O2 produce = \frac{3}{2} \times 0.028

= 0.042 moles

molar mass of O2 = 32

so, mass of O2 = 32 x 0.042  = 1.35 g



5 0
3 years ago
What type of forces allow for an object to stay at rest or continue at constant velocity.
galina1969 [7]

Answer:Inertia is the property of a body to remain at rest or to remain in motion with constant velocity. Some objects have more inertia than others because the inertia of an object is equivalent to its mass.

Explanation:

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