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DedPeter [7]
3 years ago
10

Why are heating vents usually placed on the floor of a home?

Chemistry
2 answers:
Leno4ka [110]3 years ago
7 0
Because in heat rises faster on the floor than on the ceiling or side of a wall.
Over [174]3 years ago
6 0
Heating vents are usually placed on the floor because heat rises. If they weren't on the ground or near it then the house would not stay warm because all of the heat traveled up and out of the room!
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Which equation is used to help form the combined gas law?<br> eP, V, P, V, т.
alexdok [17]

Answer:

The combined gas law is formulated from PV/T =K.

Explanation:

The combined gas law comprises of Boyle's law, Charles's law and Gay lusaac's law. This laws were not discovered but simply put together considering other cases of ideal gas law. It states that if the amount of gas is left unchanged, the ratio between the pressure, volume, and temperature is constant.

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3 years ago
The two weather maps show a front moving across Texas in which of the following cities would a decrease in temperature be predic
Nadusha1986 [10]

Answer:

San Antonio and Dallas Texas

Explanation:

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Which of the following can form a hydrogen bond with the HF molecule?
Lostsunrise [7]

Answer:

helium

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Explanation:

helium

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6 0
2 years ago
Determine if the bond between each pair of atoms is pure covalent, polar covalent, or ionic. drag the appropriate items to their
dsp73

Types of Bonds can be predicted by calculating the difference in electronegativity.

If, Electronegativity difference is,

 

                Less than 0.4 then it is Non Polar Pure Covalent

                

                Between 0.4 and 1.7 then it is Polar Covalent 

            

                Greater than 1.7 then it is Ionic

 

For Br and Br,

                    E.N of Bromine      =   2.96

                    E.N of Bromine      =   2.96

                                                   ________

                    E.N Difference             0.00         (Non Polar/Pure Covalent)

 

For N and O,

                    E.N of Oxygen      =   3.44

                    E.N of Nitrogen     =   3.04

                                                   ________

                    E.N Difference             0.40           (Non Polar/Pure Covalent)

 

For P and H,

                    E.N of Hydrogen       =   2.20

                    E.N of Phosphorous  =   2.19

                                                              ________

                    E.N Difference                  0.01          (Non Polar/Pure Covalent)

 

For K and O,

                    E.N of Oxygen          =   3.44

                    E.N of Potassium      =   0.82

                                                   ________

                    E.N Difference                2.62              (Ionic)

6 0
3 years ago
According to the following reaction, how many moles of carbon dioxide will be formed upon the complete reaction of 22.7 grams of
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