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Lisa [10]
2 years ago
9

The sum of 4.824 + 2.03 + 4.72319 + 123.4567 + 111.1 expressed to the

Chemistry
1 answer:
Olin [163]2 years ago
4 0

Answer:

246.13389

Explanation:

Simplify the expression.

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Pls help and show work!!!
kumpel [21]

Answer:

44.9g

Explanation:

You have to convert grams of CH4 to moles, use the mole-to-mole ratio of CH4 to water, and convert back to grams.

(20.0g CH4)(1 mol CH4/16.04g)(2 mol H2O/1 mol CH4)(18.01 g H2O/ 1 mol) = 44.9127 g

Hope this helps!

5 0
2 years ago
Read 2 more answers
The density of water is 1.00 gram/milliliter. What is the volume in milliliters of 1.00 mole of water? Express your answer to th
Kay [80]

Answer: 18.0152 milliliters

Explanation:

Hi, to answer this question we have to apply the next formula:

Water volume = water mass / water density

Since 1 mol of water weights 18.0152 grams

Replacing with the values and solving:

Water volume = 18.0152 g / 1 g /ml = 18.0152 milliliters

Feel free to ask for more if needed or if you did not understand something.  

5 0
3 years ago
The spectrum of the combined chloro and aqua cobalt complex solutions tells you_______________.
andre [41]

Answer:The purple color is due to a mixture of the pink aqua complex and blue chloro complex and is not due to a new species.

Explanation:

The pink aqua complex of cobalt can be in equilibrium with blue chloro complex of cobalt giving rise to a purple colour. This equilibrium is governed by Le Chaterliers principle. A change in chloride or water concentration could shift the equilibrium towards any of the species causing its colour to become the dominant colour of the solution.

3 0
3 years ago
Do PV cells last for a long time and are efficient
yulyashka [42]
They do not last forever. And they’re not sufficient
4 0
3 years ago
The IUPAC name for CH3CH2COOCH2CH3 is​
Veseljchak [2.6K]

Answer:

Ethoxy ethen. This compund is the functional group of ethar ( R-O-R )

Explanation:

3 0
3 years ago
Read 2 more answers
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