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IrinaK [193]
3 years ago
15

Need help plz help any one

Chemistry
1 answer:
dimulka [17.4K]3 years ago
6 0
Hi!

Composition: the way in which a whole is made up

Hope I helped!
Have a nice day!
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Convert 23.92inHg to torr.
White raven [17]
<h3><u>Answer;</u> </h3>

= 607.568 Torr

<h3><u>Explanation; </u></h3>

1 in of mercury is equivalent to 25.4 Torr  

Therefore;

23.92 InHg will be equal to;

23.92 × 25.4  

<u>= 607.568 Torr</u>

7 0
3 years ago
Which of the following pairs of reactants is not correctly listed with its product solution? A. Strong base-strong acid reactant
alexandr1967 [171]

Answer: Option B

Explanation: when strong acid react with strong base, the resulting solution is neutral as in the case of HCl and NaOH

HCl + NaOH —> NaCl + H2O

From the equation obtained, The salt ( NaCl) obtained is a normal salt which is neutral.

4 0
3 years ago
Which is not an observation?
Viefleur [7K]
B. The mouse is hungry , because you dont really know that only the mouse does
8 0
3 years ago
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If an element has 3 valance electrons what row is it in?
klemol [59]

It can be any row

Explanation:

An element with a valence electrons of 3 can be in any row on the periodic table.

The rows are the horizontal arrangement of elements on the periodic table.

Elements on the same row have the same energy level.

  • The periodic table rows are called periods.
  • It is only in the groups that we can find such element.
  • Group 3 elements have 3 valence electrons.
  • Since this group cuts through all the rows, therefore, elements with 3 valence electrons can be found in any row.

learn more:

Metalloids brainly.com/question/3023499

#learnwithBrainly

8 0
3 years ago
The density of gold is 19.3 g/cm³. Which of the following shows the mass of a gold bar that is 4.50 cm × 8.00 cm × 20.00 cm?
MakcuM [25]

Answer:

13896g

Explanation:

volume = 4.50×8.00×20.00 = 720 cm³

mass = density × volume

mass= 19.3 × 720 = 13896g

4 0
3 years ago
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