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zhenek [66]
3 years ago
11

Which of the following statements is true? Running an electric current through a magnet can create a magnetic field, Electrons a

re found in the nucleus of an atom, The strength of a magnetic field increases with distance, Electric engines change electricity into magnestism
Chemistry
1 answer:
Pavel [41]3 years ago
5 0

Answer:

running an electric current through a magnet can create a magnetic field

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is there a difference between a homogenouos mixture of hydrogen gas and oxygen gas, and a sample of vapor? explain?
marin [14]
Yes. In a homogeneous mixture the hydrogen and oxygen are not chemically combined; in water vapor, they are. You can separate a homogeneous mixture of hydrogen and oxygen by physical means, such as by cooling the mixture until the oxygen liquefies. If you cool water vapor you're just going to get liquid water and then ice - not two separate substances. That's because compounds can only be separated into their elements by chemical means.
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3 years ago
PLEASE HURRY! What is the name of this alkane?
belka [17]

Answer:

C. 1-ethyl, 3-methylcyclohexane

(Photo for proof at the bottom.)

Explanation:

The 1-ethyl is because you start numbering from the longest branch, towards the next closest branch. Prefix "eth-" means two, there are 2 carbons in the longest branch. 3-methyl is because the next branch is at number 3, and prefix "meth-" means 1, there is 1 carbon in that chain. "Cyclo" in cyclohexane means the skeletal model is shaped like a ring, and the "hexane" means there are 6 carbons in the ring. Prefix "hex" means 6.

Here's a photo of the unit review on Edge. Refer to the 2nd attachment for a visualization.

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7 0
3 years ago
How many divisions are used to classify living organisms?<br> a) 5<br> b) 6<br> c) 8<br> d) 7
Nataly_w [17]
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4 0
2 years ago
What intermolecular force involves non polar molecules
Zolol [24]

Dispersion forces are the only type of intermolecular force operating between non-polar molecules, for example, dispersion forces operate between hydrogen (H2) molecules, chlorine (Cl2) molecules, carbon dioxide (CO2) molecules, nitrogen tetroxide (N2O4) molecules and methane (CH4) molecules.

www.ausetute.com.au/intermof.html


7 0
3 years ago
How many molecules are there in 0.75 mol NH3
vitfil [10]
3 *0.75 = 2.25 mol that’s is ur answer for this question
4 0
2 years ago
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