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Elenna [48]
3 years ago
6

HELP ASAP PLEASE Use the word Precision in a sentence relating to chemistry!

Chemistry
1 answer:
Leno4ka [110]3 years ago
7 0

Answer:

I needed to use good precision in my measurement for my chemistry lab

Explanation:

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Help needed urgently<br>the word missing or partially seen is oxygen ​ I forgot to put more pointa
butalik [34]

Explanation:

2.04 % hydrogen

32.65% sulphur

65.31% is oxygen

atomic ratio

hydrogen =2.04÷1=2.04

sulphur =32.65÷32=1.02

oxygen =65.31÷16=4.08

simplest ratio

hydrogen = 2.04÷1.02=2

sulphur =1.02÷1.02=1

oxygen =4.08÷1.02=4

empirical formula is H2SO4

4 0
3 years ago
Answer with explanation
creativ13 [48]
The answer should be:

KOH (aq) + HCl (aq) --> KCl (aq) + H20 (l).

KOH is a base, because OH can accept a H+.
HCl is an acid because it can donate a H+.

In general, bases are : OH-, and acids are : H+.


8 0
2 years ago
AL2O3 and ZNO are which oxides​
Nesterboy [21]

Answer:

<em><u>Metal oxides</u></em>

Explanation:

Al2O3, ZnO and SnO are typical amphoteric oxides. Metal oxides are usually basic and they react with acids to form their respective salts

6 0
3 years ago
which feature does an iron metal have?responseselectrons shared between single pairs of atomselectrons shared between single pai
Pavlova-9 [17]

Iron metal has a sea of electrons feature. The outside electrons form a sea or pool of delocalized electrons that are free to travel randomly throughout the fixed lattice of positive ions and do not "belong" to any particular atom.

<h3>What is iron metal?</h3>

On the Periodic Table of the Elements, iron is a metal that belongs to Group 8 and is a hard, brittle substance. The most common metal, it is pure form, corrodes quickly when exposed into humid air and high temperatures. Iron is also considered to make up a significant portion of the Earth's core and is the fourth most prevalent metal by weight in the Earth's crust. According to the Los Alamos National Laboratory, it is abundant in the sun and stars in addition to being widely distributed on Earth. According to Jefferson Lab, iron is essential for the survival of all living things.

To know more about iron metal, visit:

brainly.com/question/14246793

#SPJ4

8 0
11 months ago
(?)H2 + (?)O2 -----&gt; (?)H2O
kkurt [141]

Answer:

2 H2 +O2 = 2H2O

Explanation:

7 0
3 years ago
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