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7nadin3 [17]
2 years ago
5

Element does not contain any neutron in its nucles​

Chemistry
1 answer:
kupik [55]2 years ago
4 0

Answer:

No neutrons are contain in element

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Before tackling this problem, be sure you know how to find the antilog of a number using a scientific calculator.
dybincka [34]
<h2>Question:- </h2>

A solution has a pH of 5.4, the determination of [H+].

<h2>Given :- </h2>
  1. pH:- 5.4
  2. pH = - log[H+]

<h2>To find :- concentration of H+</h2>

<h2>Answer:- Antilog(-5.4) or 4× 10-⁶</h2>

<h2>Explanation:- </h2><h3>Formula:- pH = -log H+ </h3>

Take negative to other side

-pH = log H+

multiple Antilog on both side

(Antilog and log cancel each other )

Antilog (-pH) = [ H+ ]

New Formula :- Antilog (-pH) = [+H]

Now put the values of pH in new formula

Antilog (-5.4) = [+H]

we can write -5.4 as (-6+0.6) just to solve Antilog

Antilog ( -6+0.6 ) = [+H]

Antilog (-6) × Antilog (0.6) = [+H]

Antilog (-6)  = {10}^{ - 6} ,  \\ Antilog (0.6)  = 4

put the value in equation

{10}^{ - 6}   \times 4 = [H+] \\ 4 \times   {10}^{ - 6}  = [H+]

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2 years ago
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According to Hess’s law, if a series of intermediate reactions are combined, the enthalpy change of the overall reaction is
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I think the answer is B. the sum of the enthalpy changes of the intermidiate reactions
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Name three of the most sensitive parts of your body (Appropriate parts. Ex: finger, wrist, shoulder, etc.)
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Inner thigh, eyes, brain
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At the freezing point, the particles in an object have no kinetic energy. true or false?
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In the EXPLORE section of your lesson 4.08 on Potential energy there were several animations to watch that provided a graphic il
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Answer:

This is because no energy is being created or destroyed in this system

Explanation:

I think this is correct? I hope it helps.        

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3 years ago
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