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Greeley [361]
3 years ago
13

What structural features help us identify a compound as an alkane, a cycloalkane, an alkene, an alkyne, a saturated hydrocarbon

or an aromatic hydrocarbon?
1. _______ contains at least one ring of three or more carbon atoms joined by single bonds.
2._________ contains at least one double bond between carbon atoms.
3. _________ is an acryclic hydrocarbon that contains only single bonds.
4.__________ contains one or more planar, six membered rings of carbon atoms with delocalized pi-bonding throughout the ring
5. _____ contains only single bonds.
6.______ contains at least one triple bond between carbon atoms.
Chemistry
1 answer:
elena55 [62]3 years ago
5 0
1. Cycloalkane
2. Alkene
3. Saturated Hydrocarbon
4. Aromatic Hydrocarbon
5. Alkane
6. Alkyne
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density of a piece of ebony wood is 1.174 g/ml. what is the volume in quarts of a 2.1549 lb piece of this ebony wood?
lapo4ka [179]

0.88qt

Explanation:

Given parameters:

Density of ebony wood = 1.174g/ml

Mass of wood = 2.1549lb

Unknown:

Volume of the wood in quarts = ?

Solution:

Density is defined as the mass per unit volume of a substance.

Mass is the quantity of matter the wood contains.

Volume is the space it occupies.

To solve this problem, convert the mass form pounds into grams and plug into the density equation to find volume.

Then convert the volume from mL to quarts.

 Density = \frac{mass}{volume}

 Volume = \frac{mass}{density}

    1 pound = 453.592g

   2.1549 lb =  2.1549 x 453.592 = 977.5g

Volume = \frac{977.5}{1.174} = 832.6mL

     1 quart = 946.353mL

        Therefore 832.6mL x \frac{1qt}{946.353} = 0.88qt

learn more:

Density brainly.com/question/8441651

#learnwithBrainly

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Which of the following events could increase Earth's temperature?
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I believe the answer Is B
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Isotope b has a half-life of 3 days. a scientist measures out 100 grams of this substance. after 6 days has passed, the scientis
Brilliant_brown [7]
So half life is the time taken for a sample to decay to half its original mass, its a constant and applies to any original mass, it could be 5g or 1kg, it will take the same amount of time for the original mass to half. In this case the half life is 3 days.

After 3 days the sample will be at half its original mass, now 50g. 

Now we can treat the 50g as if its a new sample. After another 3 days (6 days in total) there will be half of 50g left, = 25g. 


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When HBr combines with water, it produces H3O+ and Br- ions. This shows that HBr is a base. true false
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HBr is a strong acid

False
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