Oxygen Molecules taken in per breath: The Athletes result will be?

Chemistry

1 answer:

Lunna [17]2 years ago

6 0

Answer:

Explanation:

the answer is higher because there is more exercise that makes it higher

hope this helps

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Which statement best describes a solution? A). a mixture consisting of minute particles suspended in a medium that start moving

makvit [3.9K]

The statement that best describes a solution is the option C: a mixture having a uniform composition where the components cannot be seen separately and all components are in the same state.<span> That is exactly what a solution is: a homogeneous mixture, the composition is uniform, but it can vary from one solution to other. The components must be in the safe phase, but it can be any phase: solid, liquid or gas. The most classical and clear example is the salt solution, NaCl. When you dissolve a spoon of NaCl in water you will not be able to distinguish nor separating the solute from the solvent, and the mixture will have uniform composition.</span>

3 0

3 years ago

Which statement explains the energy term in this reaction

lana66690 [7]

Answer:

Mass is lost due to the conversion of mass to energy

Explanation:

The question is not complete, the complete question is given as:

$^{235}_{72}U +^{1}_{0}n$ ⇒ $^{140}_{56}Ba+^{93}_{36}Kr+3^{1}_{0}n+energy$

total mass equals 236.053 u total mass equals 235.868 u

Which statement explains the energy term in this reaction? (1) Mass is gained due to the conversion of mass to energy. (2) Mass is gained due to the conversion of energy to mass. (3) Mass is lost due to the conversion of mass to energy. (4) Mass is lost due to the conversion of energy to mass.

Answer: From Einstein’s equation E = mc², when a radioisotope element undergoes fission or fusion in a nuclear reaction, it loses a tiny amount of mass.This mass lost is converted to energy.

The law of conservation of energy holds for this type of reaction (i.e the sum of mass and energy is remains the same in a nuclear reaction). Mass changes to energy, but the total amount of mass and energy combined remains the same before and after a nuclear reaction.

From the reaction above, the total decrease in mass = 236.053 - 235.868 = 0.185 u

4 0

2 years ago

Could someone help me with this? No links, will give brainliest.

Ganezh [65]

Answer: I think it represents the SiO

Explanation:

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2 years ago

3k+aici3 3kci+ai is what type of reaction

exis [7]

3K + AlCl3 --------> 3 KCl + Al
element compound compound element

This is single replacement (displacement) reaction.