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4 years ago

The reaction of a metal with oxygen to form rust is called

Chemistry

1 answer:

azamat4 years ago

3 0

The reaction of a metal with oxygen to form rust is called as redox reaction.

Explanation:

The process during which the surface of metal reacts with the oxygen ions present in air, it has tendency to get oxidized that is formation of an oxide layer on the surface of the metal. Generally, it occurs when metals like iron comes in contact with moisture or water. So the oxygen in moisture reacts with iron giving its electron and getting oxidized and reducing the surface of metal by forming metal oxide. So the complete process of formation of rust is termed as redox reaction. As here both oxidation and reduction is taking place.

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A pipe leaks water at a rate of 1.24 mL/s. What is the rate of the water leak in L/hr?

Umnica [9.8K]

Answer:

b)4.46 L/hr

Explanation:

To solve this question we need to convert the mL to liters (Using the conversion of 1000mL = 1L) and convert the time from seconds to hours (3600s = 1hr)

mL to L:

1.24mL/s * (1L / 1000mL) = 0.00124L/s

seconds to hours:

0.00124L/s * (3600s / 1hr) = 4.46L/hr

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3 years ago

Which of the following statements is true about rain falling from clouds?*

enot [183]

Answer:

Clouds are not made of liquid water but they hold liquid water, and when the pool of liquid water that fills the inside of clouds gets too large for the cloud to hold, the cloud releases the water as rain. ... Rain does not fall from clouds.

Explanation:

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3 years ago

A chemist is looking for an element that reacts similarly to the element lithium (LI). Which would be the best choice?

MatroZZZ [7]

Letter d, because they are both alkali metals (group one)

8 0

3 years ago

Read 2 more answers

Prokaryotes and Eukaryotes both fall in the category of living things. True False

WITCHER [35]

Answer:

False

Explanation:

Prokaryotes are a single-celled organism that has not specialized organelles. This consists of bacteria and cyanobacteria.

Eukaryotes are a cell or cells in which the genetic material of DNA is in the form of chromosomes. This includes all living things other than eubacteria and archaebacteria.

Hope this helps!

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5 0

3 years ago

What is the mole fraction of ethanol in a solution of 3.00 moles of ethanol and 5.00 moles of water?

Rus_ich [418]

If theres a mixture of components we can calculate the mole fraction
mole fraction can be calculated as follows
mole fraction of component = $\frac{number of moles of component}{total number of moles of all components }$
number of moles of ethanol - 3.00 mol
total number of moles in mixture - 3.00 + 5.00 = 8.00 mol

mole fraction of ethanol = $\frac{3.00 mol}{8.00 mol }$
mole fraction of ethanol is 0.375

6 0

4 years ago