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Feliz [49]
3 years ago
8

What is a hypothesis

Chemistry
2 answers:
larisa86 [58]3 years ago
8 0
A hypothesis is an educated guess. 
asambeis [7]3 years ago
7 0

Answer:

a possible explanation or answer to a scientific question that is based on prior knowledge or research and is testable

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Benzoic acid has Ka =6.5× 10 ?5 , and citric acid has Ka =7.2× 10 ?4. What is the stronger conjugate base?
likoan [24]

Answer: The stronger conjugate base is, Citric acid.

Explanation :

The value of dissociation constant of Benzoic acid is higher than the citric acid. This means that the acid will readily dissociate and stronger will be the acid. Higher the value of dissociation constant of an acid weaker will be its conjugate base and the lower value of dissociation constant of an acid means that the stronger will be its conjugate base.

Therefore, the stronger conjugate base is Citric acid.

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2 years ago
Compared to water, metals heat up faster because they have
bija089 [108]

Answer: the answer would be a lower specific heat.

Explanation:

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The overall energy involved in the formation of CsCl from Cs(s) and Cl2(g) is −443 kJ mol−1. Given the following information: he
Alex17521 [72]

Explanation:

It is given that total energy is -443 kJ/mol and formula to calculate the lattice energy is as follows.

       Total energy = heat of sublimation + bond dissociation energies + ionization energy for Cs + EA of Cl^{-} + lattice energy

       -443 kJ/mol = 76 + 121 + 376 - 349 + Lattice energy

   Lattice energy = (-443 - 76 -121 - 376 + 349) kJ

       Lattice energy = -667 kJ

Therefore, we can conclude that -667 kJ is the magnitude of the lattice energy for CsCl.

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How many moles of water will be generated during the combustion of 0.38 moles of methyl alcohol (CH3OH)? 2CH3OH + 3O2 2CO2 + 4H2
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