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SVETLANKA909090 [29]
3 years ago
10

Match the substance with its chemical formula.

Chemistry
2 answers:
ch4aika [34]3 years ago
4 0
H 3 0 + is hydronium ion. OH- is hydroxide ion. H+ is hydrogen ion
Darina [25.2K]3 years ago
4 0
H30-hydronium ions H+-hydrogen ions OH- —hydroxide ions
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A major component of gasoline is octane C8H18. When liquid octane is burned in air it reacts with oxygen O2 gas to produce carbo
Nady [450]

Answer:

0.054 moles of carbon dioxide will be produced

Explanation:

Step 1: Data given

Number of moles oxygen = 0.085 moles

Step 2: The balanced equation

2C8H18 + 25O2 → 16CO2 + 18H2O

Step 3: Calculate moles of carbon dioxide

For 2 moles octane we need 25 moles oxygen gas to produce 16 moles carbon dioxide gas and 18 moles water vapor

0.0544

For 0.085 moles O2 we'll have 16/25 * 0.085 = 0.054 moles CO2

0.054 moles of carbon dioxide will be produced

7 0
4 years ago
What is the formula of titanium(II) oxide?(1) TiO (3) Ti2O(2) TiO2 (4) Ti2O3
ddd [48]
Hehe I love Titanium!! ;) Anyways, the chemical formula of titanium (II) Oxide is TiO
6 0
3 years ago
How do chemical characteristics of rocks effect water
gayaneshka [121]

Answer:

Freezing water can break rock without any change in the minerals that form the rock

Explanation:

<h2><u>Hope this helps→←</u></h2>
7 0
3 years ago
What is the molarity of a solution if 300.0 ml of it contains 16.8 g of kno3? [formula weight: kno3, 101.11 amu]?
AVprozaik [17]
The molarity is count by dividing the mole of the solute within 1 liter of solvent. In this case, the KNO3 is 16.8g with 101.11 g/mol molar mass. Then we need to find the mol first. The calculation would be: 16.8g / (101.11g/mol)= 0.0166 mol.

Then the molarity would be: 0.0166mol/ 0.3l= 0.0498= 0.0553 M
6 0
3 years ago
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What are 5 facts about the enviorment in the Atacama Desert?
Kaylis [27]
The Atacama Desert is a plateau in South America.

Covering a 1,000-kilometre strip of land on the Pacific coast.

West of the Andes mountains. It is the driest non-polar desert in the world. 

In the late 1800s, Chile and Bolivia disputed this land in the Guerra del Pacífico (War of the Pacific) becaue both countries claimed to be rightful owners of this region that.

 During the day, temperatures in the desert can reach around 40º C (104º F).
8 0
4 years ago
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