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sweet [91]
4 years ago
5

Rank the following elements that make up the majority of Earth’s crust according to increasing ionization energy Mg Ca Si O

Chemistry
1 answer:
stich3 [128]4 years ago
7 0

Answer:

i just need points bc im stuck on something

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What is a technique for determining an unknown molaritry of acid by adding a base of know malarkey to a known volume of acid
bagirrra123 [75]

Titration is a technique for determining unknown molarity of acid by adding a base of know malarkey to a known volume of acid

The process of calculating the quantity of a material A by adding measured increments of substance B, the titrant, with which it reacts until exact chemical equivalency is obtained (the equivalence point)" is the definition of titration. Titration, commonly referred to as titrimetry, is a method of chemical qualitative analysis used to determine the concentration of a certain analyte in a mixture. The goal of titration is to identify the equivalence point, or the point at which chemically equivalent amounts of the reactants have been combined, which is a key analytical chemistry technique also known as volumetric analysis. The stoichiometry of the reactants determines how many reactants have been mixed at the equivalence point.

To learn more about titration please visit -
brainly.com/question/2728613
#SPJ1

6 0
2 years ago
Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2
Elena L [17]

Mass of carbon monoxide : 0.95 g

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

Fe₂O₃(s) + 3CO(g) → 2Fe(s) + 3CO₂

MW Fe₂O₃ : 159,69 g/mol

mol Fe₂O₃ :

\tt \dfrac{1.8}{159.69}=0.0113

mol ratio Fe₂O₃ : CO = 1 : 3, so mol CO :

\tt 3\times 0.0113=0.0339

mass CO (MW =  28,01 g/mol) :

\tt m=mol\times MW\\\\m=0.0339\times 28.01\\\\m=0.950~g

4 0
3 years ago
Is a caterpillar a consumer
KonstantinChe [14]
The answers yes because it consumes leaves.
5 0
4 years ago
How many different design ideas of the puff car do you need to draw? Question options:
Makovka662 [10]

Answer:

Im not really sure

Explanation:

I think 6 or 3

5 0
3 years ago
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How many degrees does the earth tilt
mart [117]
That would be 23.5 degrees
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4 years ago
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