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creativ13 [48]
2 years ago
9

What are the functions of respiratory system​

Chemistry
1 answer:
VMariaS [17]2 years ago
6 0

Answer:

Your lungs are part of the respiratory system.

Explanation:

A group of organs and tissues that work together to help you breathe.The respiratory system's main job is to move fresh air into your body while removing waste gases.

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As fuel is burned in an airplane, it seems to disappear from the tank, suggesting that matter is destroyed during the reaction.
gregori [183]

Answer:

Well we know that matter is neither created nor destroyed by chemical reactions or physical transformations. It is not destroyed it simply was converted to gas. =D

6 0
3 years ago
What is the correct formula and charge for the polyatomic ion called acetate
DedPeter [7]

Answer:

5.03 Naming Compounds that contain Polyatomic Ions

Explanation:

Trust me.

6 0
2 years ago
Chemists can use moles to calculate: A. How much of the products are needed and how much reactant will be made. B. How much prod
damaskus [11]

Answer:

c.- How much of the reactants are needed and how much product will made.

Explanation:

The moles is the matter unit used in chemistry to simplify  some calculations, instead of using grams. Also the moles are very useful because the chemical reaction can be balanced.

When a Chemical reaction is balanced, then it can be easily to calculate how many moles are necessary to add in a process to obtain a quantity of grams of a product.

5 0
3 years ago
In at least 4 sentences, explain how access to technology may have an impact to what energy sources are used? THINK- industriali
larisa [96]

Answer : attention swung away from renewable sources as the industrial revolution ... turbines have developed greatly in recent decades, solar photovoltaic technology is ... However, the variability of wind and solar power does not correspond with ... and 0.17 for solar PV, hence declared net capacity (DNC) is the figure

Explanation:

8 0
3 years ago
A sample of H2 gas (2.0 L) at 3.5 atm was combined with 1.5 L of N2 gas at 2.6 atm pressure at a constant temperature of 25 °C i
Tamiku [17]
For this system, we use Dalton's law of partial pressures where the total pressure of a gas mixture is said to be equal to the sum of the partial pressures of the gases. The partial pressure of each gas would be calculated by the product of the mole fraction and the original pressure of the gas. We do as follows:

Total pressure = x1P1 + x2P2
Total pressure = (2.0 / 7.0 )(3.5) + (1.5/7.0)(2.6)
Total pressure = 1.56 atm
4 0
3 years ago
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