3 years ago

Which of the following describes a spontaneous reaction?

1 answer:

5 0

Explanation:

A spontaneous process is the time-evolution of a system in which it releases free energy and it moves to a lower, more thermodynamically stable energy state.[1][2] The sign convention for free energy change follows the general convention for thermodynamic measurements, in which a release of free energy from the system corresponds to a negative change in the free energy of the system and a positive change in the free energy of the surroundings.

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How many atoms of oxygen does the chemical formula show? Al(HSO4)3

galina1969 [7]

Answer:

This formula contains 12 oxygen atoms.

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2 years ago

After studying weather, Beto bought a simple weather station and put it up in his yard. He was especially interested in wind and

Alex73 [517]

Incomplete question. The remaining part reads;

Choose the correct words or phrases to complete the sentences.

Global winds occur due to

1. Choose...

a. solar currents

b. convection currents

c. sea breezes

d. uneven heating

over a large area and this forms

2. Choose...

a. solar currents

b. convection currents

c. sea breezes

d. uneven heating

caused by cool and warm air.

Answer:

1. d. uneven heating

2. b. convection currents

Explanation:

1. What Beto should know is that as the earth moves and rotates around the sun, some parts of the Earth receive more sunlight and others less, which then leads to uneven heating over a large area of the earth.

2. This uneven heat then forms a convection current containing varying patterns of air spreading to various parts of the globe.

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3 years ago

How many electrons are orbit the nucleus of an atom with an atomic number of 60?

Sergio039 [100]

Neodymium is a chemical element with symbol Nd and atomic number 60.

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2 years ago

Which equation represents a correctly balanced chemical equation?

solmaris [256]

Yep ur right it’s b as it is balanced

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