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malfutka [58]
3 years ago
12

BRAINLIESTTT ASAP!! PLEASE HELP ME :)

Chemistry
2 answers:
ozzi3 years ago
4 0

the instrument used to measure the volume of a liquid, mass, length, and density is a graduated cylinder

the main 3 units of measurement in the metric system are meters, grams, and liters

Arada [10]3 years ago
4 0

The instrument used to measure the volume of a liquid is a graduated cylinder i believe.

The ones i know are:

Work: Joules

Power: Watts

Force: Newtons

Time: Usually Secs

Distance: Usually meters

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A formula unit made with Na and unknown nonmetal "Z" has the formula, NaZ. Which element does "Z" represent?
vovangra [49]
The answer is chloride ig ‍♀️
6 0
3 years ago
Name a possible product of this reaction in the presence of ether and AlCl3: methylbenzene + 1-chlorodecane.a. 1-methyl-2-decylb
Vikki [24]

Answer:

None of these

Explanation:

Friedel–Craft reaction is a reaction involves the attachment of substituents to the benzene ring.

Mechanism of the reaction of methylbenzene with 1-chlorodecane in the presence of ether and aluminum chloride :

Step -1 : Generation of stable carbocation.

Aluminium chloride acts as Lewis acid which removes the chloride ion from the alkyl halide forming carbocation. The primary carbocation thus formed gets rearranged to secondary primary carbocation which is more stable due to hyperconjugation.

Step-2: Attack of the ring to the carbocation

The pi electrons of the ring behave as a nucleophile and attacks the carbocation. Since, the group attached on the benzene is methyl (+R effect) , the attack is from the ortho and the para positions. Para product is more stable due to less steric hinderance.

The product formed is shown in mechanism does not mention in any of the options.

So, None of these is the answer

8 0
3 years ago
Read 2 more answers
Look at the position of Location 1, Location 2, and Location 3 in this picture. Simple diagram of a lake represented by a wavy c
alexgriva [62]

Answer: Location 3 is warmer than location 2 and 1

Explanation:

5 0
3 years ago
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A chemist is about to perform a titration by adding a base to an acid. what is the most important reason for using a base instea
zloy xaker [14]
The answer to this is to prevent dilution of the base, which may affect the results. I think that is right.
6 0
3 years ago
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How many moles of sulfur are needed to produce 15.0 mol of sulfur dioxide?
Brut [27]
<span>S + O2 =  SO2

1 mole S ------------- 1 mole SO2
( moles S ) --------- 15.0 moles SO2

moles S = 15.0 x 1 / 1

moles S = 15.0 / 1

= 15.0 moles S</span>
4 0
3 years ago
Read 2 more answers
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