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Mariulka [41]
3 years ago
9

According to the VSEPR theory, a molecule or ion of NH₃ will have a _____ shape.

Chemistry
2 answers:
wolverine [178]3 years ago
7 0

Answer: D or A

Explanation: Assuming D or A is trigonal pyramidal, NH3 will have a pyramidal shape as it has three hydrogen atoms and an unshared pair of electrons to the nitrogen atom

Elan Coil [88]3 years ago
4 0

Answer:

B) flat trigonal

Explanation:

All the Hydrogen atoms are arranged symmetrically around the Nitrogen atom which forms the base, and the two nonbonding electrons form the tip

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The alkaline diet claims to help your body maintain its blood pH level. In fact, nothing you eat is going to substantially change the pH of your blood

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3 years ago
A 0.100 m solution of butanoic acid has a % deprotonation of 1.23%. determine the ph of the butanoic acid solution.
MrRissso [65]
Chemical reaction: C₃H₇COOH → C₃H₇COO⁻ + H⁺.
c(<span>butanoic acid) = 0,100 M.
</span>α = 1,23% = 0,0123.
Ka = α² · c / 1 - α.
Ka = 0,0123² · 0,1 M / 1 - 0,0123.
Ka = 0,0000153 M.
Ka = c(C₃H₇COO⁻) · c(H⁺) / c(C₃H₇COOH).
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4 0
3 years ago
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8 0
3 years ago
Which of the following is necessary to do a complete stoichiometric calculation?
jeka57 [31]

Answer:

Write the mole ratio.

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The term stoichiometry is coined from two words: stoicheon(atom) and metron(measurement).

Stoichiometry uses the composition or chemical reactions of matter and the moles to quantity the elementary particles of a matter.

In order to do this, we use the mole ratio as the basis of the calculation. The mole is related to different parameters that we can obtained experimentally and theoretically about a reaction.  

6 0
4 years ago
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