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katrin2010 [14]
4 years ago
11

How does earth maintain its energy balance

Chemistry
1 answer:
Margarita [4]4 years ago
5 0
<em>earth's  energy balance describes how the incoming energy from the sun is used and returned to space.  If incoming and outgoing energy are in balance, the earth's temperature remains constant.</em>
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How many polyatomic ions (s) below contain a total of four atoms?
artcher [175]

Answer:

I think the answer is two

3 0
3 years ago
Need help please With this.
Brums [2.3K]

Answer:question 3:(W)

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3 years ago
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How many atoms of lead are contained in 0.532mol?​
Colt1911 [192]

Answer:

3.2043 x 10²³

Explanation:

No. of Mole of lead (Pb) = 0.532 mol

No. of atoms of lead = ?

Solution:

Formula Used to calculate

no. of moles = numbers of particles (ions, molecules, atoms) /Avogadro's number

Avogadro's no. = 6.023 x10²³

So,

The formula could be written as

no. of atoms of lead Pb = no. of moles x 6.023 x10²³

Put the values in above formula

no. of atoms of lead Pb = 0.532 mol x 6.023 x10²³

no. of atoms of lead Pb = 3.2043 x 10²³

so 3.2043 x 10²³ atoms of lead are contained in 0.532 mole.

6 0
3 years ago
Choose the best classification of the reactions C6H12O6 (g) + 6O2 yields 6CO2 + 6H2O
marta [7]
Combustion reaction because it produces water and carbon dioxide
6 0
3 years ago
In looking at the bolded atoms in the answer choices, which pair consists of molecules having the same geometry? hints in lookin
Rzqust [24]
Correct Answer: CH2CCI2 and CH2CH2.

Reason:
Structure of compound depends on the hybridization of central atom. In both of the above molecules (i.e. CH2CCL2 and CH2CH2). Central atom i.e. carbon is sp^2 hybridized.  Thus 3 hybridized orbitals of 'C' is involved in sigma bonding. Further, these orbitals are placed spatially at an angle of 120^{0}. The un-hybridized 2pz orbital of 'C' is involved in pi-bonding. Due to this, both of the above molecules possess a triangular planner geometry. 
5 0
3 years ago
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