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slavikrds [6]
3 years ago
11

Parts of Dalton’s atomic theory were disproved. Do you think that this should be taken as a criticism of Dalton as a scientist?

Use a description of what you think a good scientist is to support your answer.
Chemistry
1 answer:
wolverine [178]3 years ago
6 0

No because he did have a small idea allowing later more educated scientist in more modern times to review and find mistakes. This allowed scientist in more modern times to also have develop theories. Every idea needs fixing and this is one. Since he was first to know about such atoms and making the "plum pudding model", he gave scientists some thoughts or possible ideas as to what a substance would be like after its last piece.

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How many grams of carbonic acid were produced by the 3.00 g sample of NaHCO
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I think the given is 3 g sample of NaHCO3. then if it will be reacted with an acid, it will produce H2CO3.
 so the reaction NaHCO3 + HCl --> NaCl + H2CO3

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mass of H2CO3 = 2.22 g H2CO3
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lidiya [134]

Answer:

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RSB [31]
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5 0
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Consider the insoluble compound nickel(II) hydroxide , Ni(OH)2 . The nickel ion also forms a complex with cyanide ions . Write a
natali 33 [55]

Answer: Equilibrium constant for this reaction is 2.8 \times 10^{15}.

Explanation:

Chemical reaction equation for the formation of nickel cyanide complex is as follows.

Ni(OH)_{2}(s) + 4CN^{-}(aq) \rightleftharpoons [Ni(CN)_{4}^{2-}](aq) + 2OH^{-}(aq)

We know that,

      K = K_{f} \times K_{sp}

We are given that, K_{f} = 1.0 \times 10^{31}

and,    K_{sp} = 2.8 \times 10^{-16}

Hence, we will calculate the value of K as follows.

     K = K_{f} \times K_{sp}

     K = (1.0 \times 10^{31}) \times (2.8 \times 10^{-16})

        = 2.8 \times 10^{15}

Thus, we can conclude that equilibrium constant for this reaction is 2.8 \times 10^{15}.

4 0
3 years ago
what carboxylic acid describes this? have a long chain of carbons with hydrogen attached to each one. The end carbon has a hydro
bekas [8.4K]
I think the answer would be fatty acids
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