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motikmotik
3 years ago
8

Which electromagnet would have the most strength?

Chemistry
2 answers:
ycow [4]3 years ago
8 0
The one with 20 coils as it can generate more electricity. 
Katyanochek1 [597]3 years ago
8 0
The more coils, the more strength. An electromagnet with twenty coils would give out most energy. Think of it like this. Every coil gives out a specific amount of energy. For example, if we are only using numbers, five. If each coil gave out five, which would give out the most energy? If we had 5 coils, we'd get 25. If we had 10 coils, we'd get 50. If we had 15 coils, we'd get 75. If we had 20 coils, we'd get 100. Obviously, 100 is greater than 25, 50, and 75.
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rosijanka [135]
A generator because they connect each other in physical attraction
7 0
3 years ago
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Why can't air exist in space, but gas can????
MakcuM [25]

Answer:

Earth's gravity is strong enough to hold onto its atmosphere and keep it from drifting into space.

8 0
3 years ago
40. What is the mass of 3 moles of H 2 O
Leya [2.2K]

Answer:

54g

Explanation:

Given parameters:

Number of moles of H₂O  = 3 moles

Unknown:

mass of water  = ?

Solution:

To solve this problem, we use the expression below:

         mass  = number of moles x molar mass

Molar mass of H₂O  = 2(1)  + 16  = 18g/mol

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3 0
3 years ago
Sodium Chloride is an ionic compound. Its molar mass is 58.44g. One formula unit of NaCl consists of one____, whose chemical sym
saul85 [17]

Answer: One formula unit of NaCl consists of one cation, whose chemical symbol is Na^+ and one anion whose chemical symbol is Cl^-

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.  

The cation is formed by the metal sodium which forms  Na^+ and the anion is formed by non metal chlorine which forms Cl^-.

For a formula unit of sodium chloride,  the charges have to be balanced , thus the valencies of ions are exchanged and the neutral compound result. Thus

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5 0
3 years ago
Products: 1-methylcyclohexene, 3-methylcyclohexene, methylenecyclohexane
Lostsunrise [7]

Answer:

See explanation

Explanation:

The reaction that we are considering here is quite a knotty reaction. It is difficult to decide if the mechanism is actually E1 or E2 since both are equally probable based on the mass of scientific evidence regarding this reaction. However, we can easily assume that the methylenecyclohexane was formed by an E1 mechanism.

Looking at the products, one could convincingly assert that the reaction leading to the formation of the two main products proceeds via an E1 mechanism with the formation of a carbocation intermediate as has been shown in mechanism attached to this answer. Possible rearrangement of the carbocation yields the 3-methylcyclohexene product.

8 0
3 years ago
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