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NeX [460]
3 years ago
12

What is the mass of a light bulb

Chemistry
1 answer:
DIA [1.3K]3 years ago
3 0
It is completely dependent on the type of light bulb you are talking about. There are many different kinds of light bulbs, I cant give you a solid answer.
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25)
Taya2010 [7]

Answer:

The correct answer is B) electronegativities of the bonded atoms in a molecule of the compound .

Explanation:

When two atoms forming a bond differ in their electronegativities at that time bond polarity is generated

        In simple words a bond will be polar when the bonding electrons are not equally shared by two atoms.As a result the atom attract the bonding electron pair towards itself gain partial negative charge and the other atom gains partial positive charge.

       For HCl is a polar compound because H and Cl atom differ in their electronegativities,as a result the bonding electron pair is not shared equally by H and Cl atoms.

8 0
3 years ago
What is a small description of a atom
steposvetlana [31]

Answer:

An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.

4 0
3 years ago
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1) How much energy would be required to melt 15.0 g of ice at 0°C?
DerKrebs [107]

Answer:

5010J

Explanation:

The following data were obtained from the question:

Mass (m) = 15g

Heat of fusion (ΔHf) = 334J/g

Heat required (Q) =..?

The heat energy required to melt the ice can be obtained as follow:

Q = m·ΔHf

Q = 15 x 334

Q = 5010J

Therefore, the heat energy required to melt the ice is 5010J.

8 0
3 years ago
Methane is approximately 23 times more powerful than carbon dioxide as a greenhouse gas. Which are significant sources of methan
ratelena [41]

Answer:

anthropogenic sources like landfills, agricultural activities,coal mining and combustion and some sources are natural ones

5 0
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How are elements identified in terms of their atoms?
velikii [3]
Their identified by the number of protons they have in the nucleus which = their electrons.

7 0
3 years ago
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