Answer: 40 + 2x14 + 6x16 = 164g/mole
54.3g x [1mole / 164g] = 0.331moles
355mL x 1L / 1000mL = 0.355L
molarity = 0.331moles / 0.355L =
00
Explanation:
1) endothermic
2)exotgermic
3)exotgermic
The two reasons Democritus’ ideas about the atom were NOT accepted are atoms are indestructible and they move in infinite space.
<h3>
What is atom?</h3>
An atom is the smallest unit of ordinary matter that forms a chemical element.
<h3>
Democritus’ ideas about atom</h3>
Democritus believed that atoms were uniform, solid, hard, incompressible, and indestructible and that they moved in infinite numbers through empty space until stopped.
Differences in atomic shape and size determined the various properties of matter.
Thus, the two reasons Democritus’ ideas about the atom were NOT accepted are atoms are indestructible and they move in infinite space.
Learn more about atoms here: brainly.com/question/6258301
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Answer: 2HCO + 4O → H2 + 2CO3
Explanation: Oxomethyl + Oxygen = Dihydrogen + Carbon Trioxide
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