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katrin2010 [14]
4 years ago
6

How is chemistry relevant outside the chemistry lab

Chemistry
1 answer:
ladessa [460]4 years ago
6 0
Chemistry is relevant in everyday life because it is present in your cleaning solutions, your shower products, and is present in baking, and etc.
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When we have two sorted lists of numbers in non-descending order, and we need to merge them into one sorted list, we can simply
Dovator [93]

Answer:

Explanation:

Firstly of all we have to construct the min-heap of the k-sub list and each sub list which is a node in the constructed min-heap.

We have several steps to follows:

Step-1. When we compare the two sub lists, at the starting we can compare their first elements which is actually their minimum elements.

Step-2. The min-heap formation will cost be O(k) time.

Step-3. After the step 1 & step 2 we can run the minimum algorithm which can be extracted from the minimum element in the root list.

Step-4. Then Update the root list in the heap and after that simplify the min-heap as maintained by the new minimum element in the root list.

Step-5. If any root sub-list becomes empty in the step 4 then we can take any leaf sub-list from the root and simplify it.

Step-6. At every Extraction of the element it can take up to O(log k) time.

Hence, We can say that the extract of n element in the total whose

Running time will be O(n log k + k) which can be equal to the O(n log k+ k) (since k < n).

7 0
3 years ago
When titrating a NaF(aq) solution with HCl(aq), the equivalence point will occur at a pH value ______ .
Gelneren [198K]

At the equivalence point, the NaF completely reacts with the HCl

The correct option that gives the equivalence point when titrating NaF solution with HCl(aq), occur at a pH value is option c);

c) <u>Below 7 because it is determined by HF (aq)</u>

Reason:

The ionic equation of the reaction taking place in the titration is presented as follows;

  • NaF + HCl → HF + NaCl
  • Na⁺ (aq) + F⁻ (aq) + H⁺ (aq) + Cl⁻(aq) → HF (aq)+ Na⁺(aq) + Cl⁻(aq)

Therefore, by removing the spectator ions, we get;

  • F⁻(aq) + H⁺(aq) → HF(aq)

Therefore;

The net ionic equation is the formation of hydrofluoric acid, HF, which is a

weak acid, therefore, the pH value will be <u>below 7 because it is determined </u>

<u>by HF</u>

<u />

Learn more about equivalence point here: titration

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brainly.com/question/23502649

6 0
3 years ago
Earth's oceans contain many dissolved elements like calcium, sodium, and chlorine. These elements plus several others combine to
Korolek [52]
C because minerals contain sodium
4 0
3 years ago
Read 2 more answers
There is some gas in a container at pressure 136 atm. When 142 dm3 gas is released at pressure of 1 atm,then the pressure of the
mamaluj [8]

Answer:

228.7dm^{3}

Explanation:

According to Boyle's law

P1V1 = P2V2

where P1& P2 are initial and final pressure

and V1& V2 and initial and final volumes respectively.

Given:

P1 = 136atm, P2 = 131.6atm

V1 = 142dm^{3}; V2 = ?

V2 = \frac{P1V1}{P2} = \frac{136*142}{131.6}

= 146.7dm^{3}

Total volume, V = V1 + V2

=146.7 + 142

<u>= 228.7</u>dm^{3}<u></u>

8 0
3 years ago
Which of the following IS a valid piece scientific evidence?
Vanyuwa [196]

im sorry it doesn't show

5 0
4 years ago
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