2 years ago

All of the following are symptoms of someone having a dissociative disorder except

Chemistry

2 answers:

zloy xaker [14]2 years ago

6 0

B ! increased energy.

Kitty [74]2 years ago

6 0

Answer:

B. increased energy

Explanation:

Got 100% on Edge

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Harrizon [31]

Everything requires energy to move. If the desk is moving, then it has energy.

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2 years ago

A chemical reaction in which compounds break up into simpler constituents is a _______ reaction.

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3 years ago

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The indicator propyl red has a Ka of 3.3 X 10-6 . It is red at low pH and yellow at higher pH. What is the approximate pH range

Alik [6]

Answer:

4.48 - 6.48

Explanation:

A pH indicator works in a better way in a range of pH = pKa ± 1. That means we need to determine the pKa of the indicator propyl red to find the range over which it change its color. That is:

pKa = -log Ka

pKa = -log 3.3x10⁻⁶

pKa = 5.48

That means the range over propyl red will change from yellow to red or vice versa is:

4.48 - 6.48

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2 years ago

At 80 ∘C, Kc=1.87×10^−3 for the reaction PH3BCl3(s)⇌PH3(g)+BCl3(g)

daser333 [38]

Answer:

A) he equilibrium concentration of PH3 = 0.0432M

B) he equilibrium concentration of BCl3 = 0.0432M

C) what is the minimum mass of PH3BCl3(s) that must be added to the flask to achieve equilibrium = 1.69g

Explanation:

The detailed steps and appropriate calculation is as shown in the attached file.

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3 years ago

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The answer should be 502

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3 years ago