Achemical change is a change in the properties of matter (2 points) that does not change the identity of the substance where no new chemical bonds are formed that only changes the size where chemical bonds are broken and new bonds are formed

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Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2