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Natali [406]
2 years ago
5

Is the following reaction balanced or unbalanced? 2Fe2O3 + 3C → 4Fe + 3CO2

Chemistry
1 answer:
crimeas [40]2 years ago
7 0

Answer:

unbalanced

hope this helps

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Use you observation to determine which polymorph is in the customer’s returned chocolate sample.
Butoxors [25]

Answer:

Cocoa butter, the fat in chocolate, can crystallize in any one of 6 different forms (polymorphs, as they are called). Unfortunately, only one of these, the beta crystal (or Form V), hardens into the firm, shiny chocolate that cooks want. Form VI is also a stable hard crystal, but only small amounts of it form from the good beta (Form V) crystals upon lengthy standing. When you buy commercial chocolate it is in the form of beta crystals.

When you melt chocolate and get it above 94° F, you melt these much desired beta crystals and other types of crystals can set up. If you simply let melted chocolate cool, it will set up in a dull, soft, splotchy, disgusting-looking form. Even the taste is different. Fine chocolate has a snap when you break it and a totally different mouthfeel from the other cocoa butter forms.

6 0
2 years ago
Read 2 more answers
What are the non-living components of an ecosystem? The non-living components of an ecosystem are factors.
White raven [17]

The answer is: abiotic factors.

Abiotic factors are non-living chemical and physical things of the environment.

On the contrary, biotic factors are all of the living organisms within an ecosystem.

Abiotic factors can include water, light, radiation, temperature, humidity, atmosphere, and soil.

For example, abiotic factors found in terrestrial ecosystems are sunlight, rain, wind, temperature, soil, pollution, nutrients, pH of soil and water, types of soil.

4 0
2 years ago
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If the temperature at the surface of the ocean increases, how does the carbon dioxide dissolved in the sea water change?
sergeinik [125]

Hello again!

The carbon dioxide absorbed by the ocean increases.

Have a wonderful day everyone!

8 0
2 years ago
Density of water at 28 degrees
vovikov84 [41]

Answer:

0.996232

Explanation:

This is when 28 degrees is celsius

7 0
3 years ago
Δs is negative for the reaction __________.
pickupchik [31]
ΔS =S(products) -S(reactants)

Where ΔS is the change of  entropy in a reactions

a. ΔS = (2) - (2+1) = -1
b. ΔS = (1+1) -(1) = 1
c. ΔS = (1+2) - (1) = 2
d. ΔS = (2) - (2+1) = -1
e. ΔS = (1) - (1) = 0

ΔS is negative for reaction a. and d.
6 0
3 years ago
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