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2 years ago

What is the key factor in defining a reaction as an oxidation-reduction reaction?

Chemistry

1 answer:

kari74 [83]2 years ago

6 0

Answer:

Transfer of electrons between atoms

Explanation:

Just because it has the prefix "oxi" it doesn't necessarily mean that oxygen exists as a reactant.

Making and breaking ionic compounds happen right before or after redox reactions after the atoms or ions are modified into one another.

precipitation occurs during the redox rxns involved in electrolysis & daniel cells. but it is not a key factor.

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What volume of a 0.424 M CO2 solution are needed to produce 63.58 mL of 0.731 M solution of K2CO3?

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3 years ago

Which of the following conditions creates the largest waves?

SashulF [63]

Answer:

strong winds that blow in short spurts over a small distance

Explanation:

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3 years ago

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Assuming a total pressure of 9.3 atmatm , what is the partial pressure of helium in the mixture of 98%% helium and 2.0%% oxygen

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3 years ago

Scientific notation for 706000

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706000 in scientific notation is 7.06x10^5

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2 years ago

5. If the reaction of carbon monoxide and oxygen gas in question 2

zheka24 [161]

Answer: The mass in grams is 514.8.

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to molecular mass and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given molecules}}{\text{Avogadros number}}$

given molecules = $7.03\times 10^{24}$

Putting in the values we get:

$\text{Number of moles}=\frac{7.03\times 10^{24}}{6.023\times 10^{23}}=11.7moles$

mass of $CO_2=moles\times {\text {Molar mass}}=11.7mol\times 44g/mol=514.8g$

The mass in grams is 514.8.

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3 years ago