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slega [8]
3 years ago
6

What kind of questions do scientists ask?

Chemistry
1 answer:
Usimov [2.4K]3 years ago
7 0

ones that are answered through observing :)

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The value of Ka for phenol (a weak acid), C6H5OH, is 1.00×10-10. Write the equation for the reaction that goes with this equilib
I am Lyosha [343]

Answer:

Ka=\frac{[C_6H_5O^-][H^+]}{[C_6H_5OH]}

Explanation:

Hello,

In this case, weak acids are characterized by the fact they do not dissociate completely, it means they do not divide into the conjugated base and acid at all, a percent only, which is quantified via equilibrium. In such a way, the chemical equation representing such incomplete dissociation is said to be:

C_6H_5OH\rightleftharpoons C_6H_5O^-+H^+

Thus, we can write the law of mass action, which consider the equilibrium concentrations of all the involved species, which is also known as the acid dissociation constant which accounts for the capacity the acid has to yield hydronium ions:

K=Ka=\frac{[C_6H_5O^-][H^+]}{[C_6H_5OH]}

Best regards.

3 0
3 years ago
Which are abiotic factors?
son4ous [18]

Answer:

<h2>D. sunlight, climate, soil, water, and air</h2>

Explanation:

Did you know? An ecosystem is defined as any community of living and non-living things that work together. Ecosystems do not have clear boundaries, and it may be difficult to see where one ecosystem ends and another begins. In order to understand what makes each ecosystem unique, we need to look at the biotic and abiotic factors within them. Biotic factors are all of the living organisms within an ecosystem. These may be plants, animals, fungi, and any other living things. Abiotic factors are all of the non-living things in an ecosystem.

<em>Help this answer can help you :)</em>

4 0
3 years ago
Read 2 more answers
7 points
Free_Kalibri [48]

Answer: 12 ( answer not among the option)

Explanation:

From the equation of reaction; P4O10+ H2O     ----->    H3PO4, it is unbalanced.

One can only get the exact number of ''Hydrogen atom'' if it is well balanced.

Adding '4' to H3PO4 on the RHS and '6' to H2O on LHS of the equation would give a balanced equation such as;

P4O10 + 6H2O     ----->   4 H3PO4

Therefore the number of hydrogen atoms found on the reactant is 12.

6 0
3 years ago
What is distance<br>who knows pls ASAP​
notsponge [240]

Answer: an amount of space between two things or people.

Explanation: hope this helps? :)

6 0
3 years ago
What type of energy source does electrolysis use?
BabaBlast [244]

Answer:

Explanation: Electrolysis uses DC electricity as a energy source.

4 0
4 years ago
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