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Energy can neither be created nor destroyed, only transformed. ΔU=q+w
The repetition of properties of elements after regular intervals when arranged in increasing order of atomic number.
It is impossible to simultaneously determine the exact position and momentum of a particle. Mathematically: Δx⋅Δp≥h/4π
Molar mass of CO₂ = 12 + 2×16 = 44 g/mol Moles = 88 / 44 = 2 moles
· Mole: Amount of substance that contains as many entities as there are atoms in 12 g of carbon-12. · Avogadro's number (NA): 6.022×10236.022 \times 10^{23}6.022×1023 particles/mole.
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