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-Dominant- [34]
3 years ago
11

Question 1 of 10

Chemistry
1 answer:
Rzqust [24]3 years ago
7 0

Answer:

A. 1km

Explanation:

The 1 km is equal to 1000 m.

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3 years ago
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The Lewis structure of which molecule requires resonance structures?A.) MgCl2B.) SiO2C.) SO2D.) OCl2
inna [77]

Answer:  C.) SO2

Explanation:  Sulfur Dioxide is the gaseous molecule which can show the resonance through lewis dot structure due to the presence of lone pairs of electrons present on all of the three atoms of the molecules. Moreover , Sulphur forms pie bond with the oxygen using p orbitals which forms a network of the conjugated system that help to elaborate the reason of the formation of the resonance structure.

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4 0
4 years ago
How many moles of Ar atoms are there in 202 L of Ar gas at STP? A) 1.20 x 1024 mol B) 1.11 x 10-1 mol C) 4.52 x 103 mol D) 9.02
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5 0
3 years ago
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The periodic table is an important but rather dry scientific tool. It lists all the chemical elements, ordered by their atomic numbers. Elements with similar behavior are grouped in the same column (called a group), with metals generally on the left and non-metals (gases) on the right. Rows are called “periods” - hence, periodic table.


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8 0
3 years ago
One mole of silver has a mass of 107.9 grams. Approximately how many atoms of silver are present in one mole of silver
Katen [24]

Answer: Silver has an atomic mass of aproximately 107.9.

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1 mole of silver atoms = 107.9g and there are 6.02x10^23 atoms in one mole.

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