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Sever21 [200]
3 years ago
13

What is the definition of force meter

Chemistry
1 answer:
nydimaria [60]2 years ago
5 0

A force meter, also called a newton meter, is used to measure forces, It's a spring scale that compares the force exerted on gravity.

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Write the balanced NET IONIC equation for the reaction that occurs when perchloric acid and calcium hypochlorite are combined. I
Elanso [62]

Answer:

H^+(aq)+(ClO)^-(aq)\rightarrow HClO{(aq)}

Explanation:

Hello there!

In this case, since perchloric acid is HClO4 and is a strong acid and calcium hypochlorite is Ca(ClO)2, the undergoing molecular chemical reaction turns out:

2HClO_4{(aq)}+Ca(ClO)_2{(aq)}\rightarrow 2HClO{(aq)}+Ca(ClO_4)_2{(aq)}

Thus, since the resulting hypochlorous acid is weak, it does not fully ionize, so it remains unionized, however, we can write the ions for the other species:

2H^++2(ClO_4)^-+Ca^{2+}+2(ClO)^-\rightarrow 2HClO{(aq)}+Ca^{2+}+2(ClO_4)^-

Now, we can cancel out the spectator ions, calcium and perchlorate, to obtain:

2H^+(aq)+2(ClO)^-(aq)\rightarrow 2HClO{(aq)}\\\\H^+(aq)+(ClO)^-(aq)\rightarrow HClO{(aq)}

Best regards!

3 0
3 years ago
What is the concentration of hydronium ion in a 0.121 M HCl solution?
kogti [31]

Answer:

C) 0.121 M

Explanation:

HCl + H₂O = H₃O⁺ + OH⁻

.121M              .121M

HCl is a strong acid . It will dissociate almost 100 % so the concentration of acid and hydronium ion formed will be equal . It is to be noted that hydronium ion is formed due to association of H⁺ and H₂O . H⁺ is formed due to ionisation of HCl .

So concentrtion of hydronium ion ( H₃O⁺ ) will be .121 M.

7 0
3 years ago
What is the pH of a solution whose hydronium ion [H20+] (or proton [H+1)
pav-90 [236]

Answer:

pH =  -  log(7.6 \times  {10}^{ - 5} )  \\ pH = 4.12

8 0
2 years ago
Using distance and can help you identify the position of something
miskamm [114]

Answer: Length and width

Explanation:

4 0
2 years ago
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PREDICT What properties do you think a spoon must have for it to be useful as an eating
dezoksy [38]
A straight handle for easy use and a wide tip for scooping food
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3 years ago
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