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Lunna [17]
3 years ago
10

Which compound most likely contains polar covalent bonds?

Chemistry
1 answer:
marin [14]3 years ago
3 0
I would say water; water is extremely polar, and this is why it can break one of the strongest bonds, ionic bonds. NaCl, as you probably know, is a salt, and dissolves in water. However, the ionic bond holding the Na+ and the Cl- is extremely strong; the boiling point of NaCl is at 1413 degrees celcius (water is at 100 degrees celcius). This means that it requires A LOT of energy to break the bond, but water is able to dissolve and break the bond very easily. It is very polar, so I would answer your question with water. And the bond connecting the H and the O is a covalent bond.
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Imagine that you have a 7.00 L gas tank and a 3.00 L gas tank. You need to fill one tank with oxygen and the other with acetylen
AleksAgata [21]

Answer:

The acetylene must be fill at 315 atm.

Explanation:

Given data:

Pressure of oxygen =P₁=  135 atm

Volume of oxygen = V₁=7.00 L

Volume of acetylene = V₂=3.00 L

Pressure of acetylene =P₂= ?

Solution:

According to Boyle's law

P₁V₁ = P₂V₂

P₂ = P₁V₁/V₂

P₂ = 135 atm × 7.0 L / 3.00 L

P₂ = 945 atm. L/ 3.00 L

P₂ = 315 atm

The acetylene must be fill at 315 atm.

3 0
4 years ago
What causes adaptions to occur ?
Nady [450]

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In biology, adaptation has 3 related meanings. Firstly, it is the dynamic evolutionary process that fits organisms to their environment, enhancing their evolutionary fitness. Secondly, it is a state reached by the population during that process. Thirdly, it is a phenotypic trait or adaptive trait, with a functional role in each organism, that is maintained and has evolved through natural selection.  Historically, adaptation has been described from the time of the ancient Greek philosophers such as Empedocles and Aristotle. In 18th and 19th century natural theology, adaptation was taken as evidence for the existence of a deity. Charles Darwin proposed instead that it was explained by natural selection.  Adaptation is related to biological fitness, which governs the rate of evolution as measured by a change in gene frequencies. Often, two or more species co-adapt and co-evolve as they develop adaptations that interlock with those of the other species, such as with flowering plants and pollinating insects. In mimicry, species evolve to resemble other species; in Müllerian mimicry, this is a mutually beneficial co-evolution as each of a group of strongly defended species (such as wasps able to sting) come to advertise their defenses in the same way. Features evolved for one purpose may be co-opted for a different one, as when the insulating feathers of dinosaurs were co-opted for bird flight.  Adaptation is a major topic in the philosophy of biology, as it concerns function and purpose (teleology). Some biologists try to avoid terms that imply purpose in adaptation, not least because it suggests a deity's intentions, but others note that adaptation is necessarily purposeful.

6 0
3 years ago
4. Positive electric charges are always attracted to-____ charges.
kvv77 [185]

Answer: Negatively

Explanation:

7 0
2 years ago
Read 2 more answers
A compound X has the following percentage composition 66.7% carbon, 11.1% hydrogen and 22.2% oxygen .Calculate the empirical for
Digiron [165]

Explanation:

c. h. o

66.7%. 11.1%. 22.2%

____. ____. ____

12. 1. 16

1.558. 11.1. 1.39. (divide by the smallest)

1. 8. 1

empirical formula=ch8o

4 0
3 years ago
How did the eggs change when they were heated up?
melisa1 [442]
Their proteins become denatured
4 0
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