Answer: explained below
Explanation:
Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed.
What ozone layer do we live in?
Answer: We live in the troposphere. There are 4 ozone layers: Troposphere, Stratosphere, mesosphere and atmosphere(of course)
The troposphere is the first layer<span> above the surface and contains half of the </span>Earth's atmosphere<span>. Weather occurs in this </span><span>lay</span>
C14H18N2O5
In limiting reactions and chemical reactions.
This equation is impossible. NaSO4 is non-existent. Did you mean Na2SO4?
Answer:
6.791
Explanation:
For proper significant figures with addition, you would use the significant figures of the number with lowest decimal place. 6.298 goes to the 10⁻³ place. 0.492712 goes to the 10⁻⁶ place. You will go out to the 10⁻³ place.
6.298 + 0.492712 = 6.790712 ≈ 6.791
