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zubka84 [21]
3 years ago
12

An ionic bond is a bond between

Chemistry
2 answers:
OleMash [197]3 years ago
7 0

between two oppositely charged ions

pshichka [43]3 years ago
4 0

Answer: a cation and anot anion

Explanation:

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_Fe2O3+ ___C --> __Fe + ___CO2
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Answer:

2, 3, 4, 3

Explanation:

this is the answer

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Science is a continually ongoing process with many cycles.<br> True<br> False
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4 years ago
Cubic centimeter is a unit used to measure<br> A) mass<br> B) area<br> C) weight<br> D) volume
Shalnov [3]
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5 0
3 years ago
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Question 22
ruslelena [56]

Answer:

O2, oxygen.

Explanation:

Hello.

In this case, for the undergoing chemical reaction, we need to compute the moles of CO2 yielded by 85 g of CH4 (molar mass = 16 g/mol) and by 320 g of O2 (molar mass 32 g/mol) via the following mole-mass relationships:

n_{CO_2}^{by\ CH_4}=85gCH_4*\frac{1molCH_4}{16gCH_4} *\frac{1molCO_2}{1molCH_4} =5.3molCO_2\\\\n_{CO_2}^{by\ O_2}=320gO_2*\frac{1molO_2}{32gO_2} *\frac{1molCO_2}{2molO_2} =5molCO_2

Considering the 1:2:1 among CH4, O2 and CO2. Therefore, since 320 g of O2 yield the smallest amount of CO2 we infer that the limiting reactant is O2.

Best regards.

5 0
3 years ago
What happens to the energy release of an exothermic reaction?
RSB [31]

Exothermic and Endothermic Reactions. The release of energy in chemical reactions occurs when the reactants have higher chemical energy than the products. ... Conversely, if the enthalpy increases during a reaction, a corresponding amount of energy must be absorbed from the surroundings.

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3 years ago
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