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Leni [432]
3 years ago
15

Gold is a precious substance explain how you would classify gold

Chemistry
1 answer:
vodomira [7]3 years ago
5 0
I would classify gold as an underground treasure, high in value that can be issued with sentimental value.

Or in smaller kid langue...

I would classify gold as an underground metal that can be used on jewelry or to make something that could mean something to someone.

If your in 2-4, I would use the second one. If you are in a grade higher than 4th, go ahead and blow your teachers mind by writing the first one. PLEASE do not copy it word for word! Make it your own so you do not plagiarise!

Plagiarise- "copy from {someone} and pass it off as one's own." (google web)
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consider the titration of hclo4 with koh. what is the ph after 17.0 ml of 0.15 m koh has been added to 15 ml of 0.20 m hclo4?
bezimeni [28]

The ph after 17.0 ml of 0.15 m Koh has been added to 15 ml of 0.20 m hclo4 is  <u>3.347</u>.

Titration is a commonplace laboratory technique of quantitative chemical analysis to determine the attention of an identified analyte. A reagent, termed the titrant or titrator, is ready as a trendy answer of recognized awareness and extent.

<u>Calculation:-</u>

Normality of acid                                               Normality of base

= nMV                                                                        nMV

= 1 × 0. 15 × 0.017                                              1 ×  0. 20 ×0.015 L

= 2.55 × 10⁻³                                                             = 3 × 10⁻³

The overall base will be high

net concentration = 3× 10⁻³ - 2.55 × 10⁻³

                             = 0.45 × 10⁻³

                             = 4.5× 10⁻⁴

pH = -log[4.5 × 10⁻⁴]

    = 4 - log4.4

     = <u>3.347</u>

A titration is defined as 'the manner of determining the amount of a substance A by using adding measured increments of substance B, the titrant, with which it reacts till precise chemical equivalence is completed the equivalence factor.

Learn more about titration here:-brainly.com/question/186765

#SPJ4

7 0
1 year ago
The symbol, Mg(s), shows magnesium in its standard state. True or False?
puteri [66]

Answer:

True?

Explanation:

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3 years ago
Which is the most important value of a graph
aksik [14]
X and y axis. i think
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Insects often get stuck in the sap of ancient trees. The sap along with the insect inside harden forming a fossil. What kind of
shepuryov [24]
Crystallization

This is because insects that usually get stuck in sap tend to harden or crystallize, so they cannot get out. That is why it is a crystallization.
6 0
3 years ago
A sample of gas occupies 75.5 mL at -14.2°C. What volume does the sample occupy at 146.7 °C?
bixtya [17]
Well you would use Charles V1/T1 = V2/T2. Look at the picture for more explanation
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