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jek_recluse [69]
3 years ago
9

How have chemists changed our daily lives the most

Chemistry
1 answer:
sladkih [1.3K]3 years ago
4 0
By using what they know to produce new and helpful products
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1. a) Anthony and Joseph create a start up company to make batteries for electric cars. Iron(III) phosphate is needed to create
Elenna [48]

Answer:

 LR is Na₃PO₄  

Explanation:

A quick way to determine the limiting reactant in a process is to convert reactant values to moles and then divide by the respective coefficient of the balanced equation. The smaller number of the division is the limiting reactant. For the given reaction, the rxn ratio of reactants is 1:1 so only the smaller mole value gives limiting reactant. However, if the reaction is NOT 1:1 the one must divide by respective coefficient to identify the smallest value and the limiting reactant.

This problem:

                          FeCl3(aq)          +    Na3PO4(aq)   => FePO4(s) + 3 NaCl(aq)

Given:                  27.8g                          61.9g

moles:        27.8g/162.2g/mole      1.9g/163.94g/mole

                    = 0.1714 mole               = 0.0116 mole

÷ coef.         => 0.1714/1 = 0.1714      => 0.0116/1 = 0.0116

smaller value is LR => =>  =>  =>  => => LR is Na₃PO₄              

Hope this helps. Doc :-)    

3 0
3 years ago
Solid lithium iodide decomposes into solid lithium and iodine gas . Write a balanced chemical equation for this reaction.
olga_2 [115]
<span>Balanced chemical equation is :
2LiCl(s) ----> 2Li(s) + Cl2(g) 
</span>
8 0
2 years ago
What is the name of bird W?
Bingel [31]

Answer:

woodpecker it's easy lil lol

4 0
2 years ago
Which term describes a section of Earht's structure below moving continents as parts of large plates?
Snezhnost [94]

"Asthenosphere" describes a section of Earth's structure below moving continents as parts of large plates.

Answer: Option C

<u>Explanation: </u>

The asthenosphere denoted as the upper mantle of a very sticky, mechanically weak and flexible area in the earth. It is located below the surface of the lithosphere at depths of about 80 and 200 km (in terms of miles, 50 and 120). The boundary is commonly called the lithospheric LAB - asthenosphere.

The asthenosphere is nearly solid, though some of its regions could be molten below mid-ocean ridges for an instance. The lower asthenosphere boundary isn't well defined. The asthenosphere's thickness depends primarily on the temperature.

8 0
3 years ago
Help me answer this question pls
Anarel [89]
Electrical energy !! i hope this helped :))
5 0
2 years ago
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