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jonny [76]
4 years ago
14

What is the name and symbol of the element in the second row and fourteenth column of the periodic

Chemistry
1 answer:
valentina_108 [34]4 years ago
7 0

Answer:

Carbon (c) !!!! :)))))

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The molar mass of copper(II) chloride (CuCl2) is 134.45 g/mol. How many formula units of CuCl2 are present in 17.6 g of CuCl2?
dlinn [17]

Answer:

7

Explanation:

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8 0
3 years ago
Read 2 more answers
Structural isomers are molecules that have the same chemical formula but different structures and chemical properties. For examp
kicyunya [14]

Answer:

Neopentane (C(CH3)4) have a lower a lower boiling point than n-pentane (CH3CH2CH2CH2CH3) because of it branched chain.

Explanation:

Structural isomers are compounds that have the same molecular or chemical formula but have different arrangement of atoms in space. The connectivity of the atoms differs for this compounds but they possess the same molecular formula. An example of structural isomers are butane and methyl propane. Usually, as the number of carbon increases for alkane the number of isomers also increases.

Since Isomers are different compound they are bound to have different characteristic both in melting and boiling points. Generally, straight chained isomers have higher boiling points than branched chain isomers.

n-pentane (CH3CH2CH2CH2CH3) is a straight chained isomer while neopentane (C(CH3)4) is a branched chain isomer.  Neopentane (C(CH3)4) have a lower a lower boiling point than n-pentane (CH3CH2CH2CH2CH3) because of it branched chain.

5 0
3 years ago
As you move from left to right across the periodic table, each element has one more ________ than the element before it. questio
mylen [45]
The answer should be 2) electrons. 

The elements in the periodic table are arranged by increasing atomic number, which is also the number of protons in an element. For example, Carbon has 6 protons, it is the sixth element on the table. While Nitrogen, which has 7 protons, is after Carbon. 

In atoms, the number of protons equals to the number of electrons too, if the number of electrons does not equal to the number of protons, the substance is no longer atom, but ion. So, the answer to this is 2) electrons, as the elements on the table is arranged according to increasing atomic numbers. 
5 0
3 years ago
How many moles of co2 are produced from 1.0 mol butane c4h10
Semenov [28]
The balanced equation will tell you that.
C4H10 + O2 ===> CO2 + H2O
C4H10 + 6.5 O2 ===> 4CO2 + 5H2O

The number of mols of CO2 is 4.
4 0
3 years ago
Why does tire pressure change with temperature? Explain why the atoms are interacting in the certain way, How temperature plays
Wittaler [7]

The main reason behind this is Boyle's law and Gay Lussacs law

  • Gay Lussac's law states that Pressure is directly proportional to Temperature.
  • Boyle's law states that Volume is inversely proportional to pressure.

If temperature will be more Pressure will be more

6 0
3 years ago
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