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Phantasy [73]
2 years ago
15

List three ways that energy could be lost between water and food

Chemistry
1 answer:
larisa [96]2 years ago
5 0

Work allows energy to be transferred from one object to another. To do work, an agent must exert a force on an object over a long distance.

When work is done, energy is transferred from the agent to the object, resulting in a change in the motion of the object (more specifically, a change in the object's kinetic energy).

What is energy?

Energy is essential to human society and has numerous health benefits. However, each energy source poses some health risks. This article examines the health consequences of each major source of energy, focusing on those with the greatest global impact on disease burden. The harvesting and burning of solid fuels, coal, and biomass have the greatest health consequences, primarily in the form of occupational health risks and household and general ambient air pollution. In the world's poorest households, a lack of access to clean fuels and electricity poses a particularly serious health risk. Although energy efficiency has many advantages, energy use is essential to human society and has numerous health benefits.

To learn more about energy from the given link:

brainly.com/question/1932868

#SPJ9

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S8 + 12 O2 —> 8 SO3 what volume of oxygen would be required to completely react with 45.7g of S8
ahrayia [7]

Answer:

47.9L of oxygen would be required

Explanation:

<em>Assuming oxygen gas is at STP</em>

Based on the reaction:

S₈ + 12 O₂ → 8SO₃

1 mole of S₈ (Molar mass: 256.52g/mol) reacts with 12 moles of oxygen.

To solve this question we must find the moles of S₈ added. With the reaction we can find the moles of O₂ and using PV = nRT we can find the volume of oxygen required:

<em>Moles S₈:</em>

45.7g * (1mol / 256.52g) = 0.178 moles S₈

<em>Moles O₂:</em>

0.178 moles S₈ * (12 moles O₂ / 1mol S₈) = 2.138 moles O₂

<em>Volume O₂:</em>

PV = nRT

V = nRT / P

<em>Where V is volume</em>

<em>n are moles = 2.138 moles</em>

<em>R is gas constant 0.082atmL/molK</em>

<em>T is absolute temperature = 273.15K at sTP</em>

<em>P is pressure = 1 atm at STP</em>

<em />

V = 2.138mol*0.082atmL/molK*273.15K / 1atm

V = 47.9L of oxygen would be required

4 0
3 years ago
In the balanced equation 4Fe + 3O2 = 2Fe2O3 how many atoms of iron (Fe) are reacting with every three molecules of oxygen (O2)?
Y_Kistochka [10]
This balanced equation shows us the ratios of reactants and products, so for every 3 oxygen molecules, we see that 4 iron atoms react as well. The answer is 4.
5 0
4 years ago
How do protons determine element identity
Butoxors [25]

Answer:

The number of protons also determines the identity of the element. ... Since the atom is electrically neutral, the number of electrons must equal the number of protons.

4 0
3 years ago
Which of these is the best explanation for why two negatively charged balloons can repel each other without ever touching ?
Finger [1]
C - electric charges have electric fields. imagine a magnet - charge is distributed in space in the same way magnetic field is. if you can imagine how two magnets of the same sign (++/--) repel each other, you can apply that concept to electric charge/field.
6 0
3 years ago
Read 2 more answers
What does Etching , Stratches and sample size impact hardness results of metals
Zarrin [17]

Answer:

Etching is used to reveal the microstructure of the metal through selective chemical attack. It also removes the thin, highly deformed layer introduced during grinding and polishing. ... The specimen is etched using a reagent.

Explanation:

hope it was helpful.....

3 0
3 years ago
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