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lapo4ka [179]
3 years ago
7

Which olefin should predominate in the product of the dehydration of 2-methyl-2-butanol?

Chemistry
1 answer:
3241004551 [841]3 years ago
5 0
<span>Answer: 2-methyl-2-buthene.. Bcoz it releases H2O (OH- & H+), the OH- need to take one of H+ in the Carbon chain... C-C-C(OH)-C The question is which H will be 'sucked' by OH+?? OH is the border beetwen C-C and C, right?? More C it has, more positive it will be.. H+ is positive, so C-C that more (+) than C, wont bond H better than C (bcoz C is more negative than C-C, so H+ will like C more than C-C).. So, the answer must be C-C=C(CH3)-C and H2O...</span>
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What is the thermal energy needed to completely melt 9.60 mol of ice at 0.0 C
inysia [295]
The  thermal energy  needed to  completely  melt  9.60  mole  of ice  at  0.0 C  is    57.8   Kj

        Explanation
ice  melt  to  form   water

The molar  heat of fusion  for   water  is  6.02  Kj/mol
Thermal energy =  moles  x  molar  heat  of  fussion  for water

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4 0
3 years ago
Read 2 more answers
. a large piece of jewelry has a mass of 132.6 g. a graduated cylinder initially contains 48.6 ml water. when the jewelry is sub
elena-s [515]

The large piece of jewelry  that has a mass of 132.6 g and when is submerged in a graduated cylinder that initially contains 48.6 ml water and the volume increases to 61.2 ml once the piece of jewelry is submerged, has a density of: 10.523 g/ml

To solve this problem the formulas and the procedures that we have to use  are:

  • v = v(f)-v(i)
  • d = m/v

Where:

  • d= density
  • m= mass
  • v= volume
  • v(f) = final volume
  • v(i) = initial volume

Information about the problem:

  • m = 132.6 g
  • v(i) = 48.6 ml
  • v(f) = 61.2 ml
  • v = ?
  • d =?

Applying the volume formula we get:

v = v(f)-v(i)

v = 61.2 ml - 48.6 ml

v = 12.6 ml

Applying the density  formula we get:

d = m/v

d = 132.6 g/12.6 ml

d = 10.523 g/ml

<h3>What is density?</h3>

It is a physical quantity that expresses the ratio of the body mass to the volume it occupies.

Learn more about density in: brainly.com/question/1354972

#SPJ4

3 0
1 year ago
PLEASE HELP ME!!! NEED THE ANSWER FAST! WILL CHOOSE THE BRAINLIEST!!!
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Also keep in mind that atomic radii decreases from left to right as you move along a periodic table. It also decreases from bottom up. 
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As bromine is higher up in the periodic table than Iodine, it would have a smaller radius. Iodine would have a larger radius.

The correct answer is B. Br
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2 HCI → H2 + Cl2<br> Endothermic or exothermic
Oksana_A [137]

Answer:

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Explanation:

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