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Sergio [31]
3 years ago
9

Solved c2h6+o2=co2+h2o​

Chemistry
1 answer:
In-s [12.5K]3 years ago
4 0

Explanation:

Balance the equation

2c2h6+7o2=4co2+6h2o

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A 93-L sample of dry air is cooled from 145 oC to -22 oC at a constant pressure of 2.85 atmospheres). What is the final volume?
Aloiza [94]

Answer: 55.84L

Explanation: Please see attachment for explanation.

3 0
3 years ago
Based on your answer in part B, arrange the five elements in order of their reactivity. Drag the most reactive element to the to
amm1812

Answer: Order of the elements from most reactive to least reactive is:

Mg >  Zn > Fe > H > Cu

Explanation: Reactivity of the elements is the tendency of the elements to loose or gain electrons with ease.

As, all the given elements are metals, so the metals which will loose electrons easily will be more reactive. To study the reactivity of metals, we use reactivity series.

The metals which are more reactive are placed on the top of the reactivity series and which are less reactive are placed at the bottom.

Hence, the order of the elements from most reactive to least reactive is:

Mg >  Zn > Fe > H > Cu

Reactivity series is attached below.

6 0
3 years ago
Round the following number to 3 significant figures:<br><br> 15937<br><br> pls helpppp
Dmitry_Shevchenko [17]

Answer:

15900

Explanation:

I think hope this helps!! :D

6 0
3 years ago
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How many moles of chlorine (Cl) atoms are in a sample of 1.72 × 1022 atoms?
Ainat [17]
<span>1mole of Cl atoms contain the Avogadro's number 6x10 exp 23(10 to the power of 23)
there for xmoles of Cl atoms is contained in 1.72x1022atoms
xmoles =1.72x1022 divided by 6x10exp 23
2.93 exp -23moles(2.93 x10 to the power of -23)



Hope It helped Let me know if did!!!!
</span>
3 0
3 years ago
How many atoms of oxygen are in a molecule of glucose (C6H12O6)?
ICE Princess25 [194]

Answer:

There are 6 oxygen atoms.

Explanation:

Glucose has a chemical formula of: C6H12O6 That means glucose is made of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms.

hope this helps

8 0
2 years ago
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