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3 years ago

Why do other elements need to bond with one another?

Chemistry

2 answers:

dlinn [17]3 years ago

8 0

Answer:

In order for that element to gain stability

Marysya12 [62]3 years ago

7 0

Answer:

Atoms form chemical bonds to make their outer electron shells more stable. The type of chemical bond maximizes the stability of the atoms that form it.

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Which two values will a spontaneous reaction have?

Agata [3.3K]

-∆G and +Eocell are spontaneous.

Always Remember: The higher the value of the EMF of a cell then it means the driving force for the reaction to occur is also high.

Hope this Helps! ;)

6 0

3 years ago

Read 2 more answers

What is the purpose of the scientific method? ON APEX LEARNING

Arturiano [62]

The purpose of the scientific method "to use an experiment to test a scientific theory".

Answer: Option C

Explanation:

Researchers use the scientific method when conducting experiments to collect observable, empirical data in a hypothesis-related experiment , the findings that tend to justify or oppose a theory. It's also very important that other researchers can repeat and independently verify the conclusions, logic, and experiments.

Scientific method retains inductive reasoning its position. Scientists use this to formulate theories and hypotheses. In order to adapt the ideas to particular situations, deductive reasoning allows them to do so. Overall scientific methods have become path of analyzing different processes, going in our environment.

4 0

3 years ago

Read 2 more answers

What is the pOH of a 0.0010 M solution of calcium hydroxide (Ca(OH)2)

inysia [295]

Answer: The pOH is: " 2.40 " .

__________________________________________________________

The pOH value of a 0.0010 M solution of calcium hydroxide;

Ca(OH)₂ ; is:

__________________________________________________________

" 2.40 " .

__________________________________________________________

Explanation:

___________________________________________________________

Calculate the pOH of a 0.0010 M solution of Ca(OH)₂ .

Note that:

"M" represents the concentration in "Molarity" ;

(that is; "moles of solute per Liter of solution" ; or, "mol / L " } ;

and that for our purposes, anything notes in "brackets" refers to "concentration"; in "M" {"Molarity" ; as explained above.}.

Note that "calcium hydroxide", that is; " Ca(OH)₂ " ;

→ dissociates into the following ions, as follows:

→ Ca(OH)₂ → Ca²⁺ + 2 OH⁻ ;

Therefore, the [OH⁻] equals: {2 * 0.0010} M = 0.0040 M .

For every Ca(OH)₂ you produce 2 OH⁻ .

Note: pOH = - log [OH⁻] ;

pOH = - log ( 0.0040) = 2.3979400086720375 ;

→ round to: " 2.40 " .

__________________________________________________________

Answer: The pOH is: " 2.40 " .

__________________________________________________________

The pOH value of a 0.0010 M solution of calcium hydroxide; Ca(OH)₂ ; is:

" 2.40 " .

__________________________________________________________

7 0

3 years ago

Question 5 (1 point)

ollegr [7]

Answer:

0.00125 moles H₃X

Solution and Explanation:

In this question we are required to calculate the number of moles of triprotic acid neutralized in the titration.

Volume of NaOH used = final burette reading - initial burette reading

= 39.18 ml - 3.19 ml

= 35.99 ml or 0.03599 L

Step 1: Moles of NaOH used

Number of moles = Molarity × Volume

Molarity of NaOH = 0.1041 M

Moles of NaOH = 0.1041 M × 0.03599 L

= 0.00375 mole

Step 2: Balanced equation for the reaction between triprotic acid and NaOH

The balanced equation is;

H₃X(aq) + 3NaOH(aq) → Na₃X(aq) + 3H₂O(l)

Step 3: Moles of the triprotic acid (H₃X used

From the balanced equation;

1 mole of the triprotic acid reacts with 3 moles of NaOH

Therefore; the mole ratio of H₃X to NaOH is 1 : 3.

Therefore;

Moles of Triprotic acid = 0.00375 mole ÷ 3

= 0.00125 moles

Hence, moles of triprotic acid neutralized during the titration is 0.00125 moles.

3 0

4 years ago

Please help, light equation The second row, and explanation please.

Molodets [167]

What’s the question Bc I don’t understand what u are trying to ask

6 0

3 years ago