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nordsb [41]
3 years ago
13

Indica, con base en la siguiente ecuación:

Chemistry
1 answer:
Anvisha [2.4K]3 years ago
7 0
Hello I just want to say have a good day
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A scientist is adding oxygen to iron in a chemical reaction to create rust. At what point during
Shalnov [3]

Answer: What type of chemical reaction is rusting of iron?

Rust is formed when iron reacts with oxygen in moist air. The following chemical equation represents the reaction: 4Fe + 3O2 → 2Fe2O3. Water is necessary for the oxidation reaction to occur and to facilitate transport of the electrons.

4 0
3 years ago
The equation for density, d, is
Zanzabum
Mass (g) / Volume (cm^3) = Density (g/cm^3)

60.4g/ 11.3 cm^3 = 5.35 g/cm^3

d= 5.35 g/cm^3
7 0
3 years ago
Draw the structures of two stereoisomeric alkenes that would give 3-hexanol as the only major product of hydroboration
larisa [96]

Answer:

Cis- and trans-3-hexene are symmetric hydrocarons that give only one major product i.e 3-hexanol upon hydroboration.

Explanation:

During hydroboration of 3-hexene, borane (BH3) is added to the double bond of hexene,  that transfers the hydrogen atoms to that carbon which becomes is bonded to the boron. The process of hydroboration is created in two steps that leads to the formation of 3-hexanol and boric acid. (please see figure)

Now, the two stereoisomers, Cis- and trans-3-hexene both will give off the 3-hexanol upon hydroboration and the structure of these are illustrated in the figure.



4 0
3 years ago
Read 2 more answers
The _energy of the baseball is the sum of the kinetic energy and _energy of the particles that make up the baseball
Gennadij [26K]

Answer:

Mechanical energy

Kinetic energy

Explanation:

The mechanical energy is the sum of the kinetic and potential energy of the particles that make up the baseball.

Mechanical energy is made up of kinetic energy and potential energy. When the baseball is in motion, the particles make use of the kinetic energy, also known as motion energy and when the ball is not in motion the particles make use of the potential energy, also known as stored energy.

6 0
3 years ago
QUICK PLEASE HELP!!!during a combustion reaction, 5.00 grams of oxygen reacted with 5.00 grams of CH4.
stealth61 [152]
The balanced chemical reaction is:

CH4 + 2O2 —> CO2 + 2H2O

You need to convert mass to moles (divide by molar mass):

CH4 moles = 5 / 16 = 0.31 mol
O2 moles = 5 / 32 = 0.16 mol

To figure out which reactant is limiting, divide the actual moles by the corresponding coefficient in the reaction:

CH4: 0.31 / 1 = 0.31
O2: 0.16 / 2 = 0.08

O2 is the lower number, so it is the limiting reactant. From the reaction we know it takes 2 moles of O2 to react with each mole of CH4. Therefore, for however many moles of O2 we actually have, half as many moles of CH4 will react. Since we have 0.16 mol of O2, only 0.08 mol of CH4 will react, leaving behind 0.31 - 0.08 = 0.23 mol of CH4.

Now convert back to mass (multiply by molar mass) to find the mass of CH4 remaining:

0.23 x 16 = 3.68g

The closest answer is B.
6 0
3 years ago
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