Nitrogen and oxygen are the most prevalent in the atmosphere.
Answer:
1.78 × 10²⁶ Atoms
Explanation:
Relation between number of molecules and moles is,
No. of Molecules = Moles × 6.022 × 10²³ Molecules/mol
No. of Molecules = 99 mol × 6.022 × 10²³ Molecules/mol
No. of Molecules = 5.96 × 10²⁵ Molecules
Also, In CO₂ Molecule there are 3 atoms.
So,
No. of atoms = 5.96 × 10²⁵ Molecules × 3
No. of atoms = 1.78 × 10²⁶ Atoms
Answer:
Yes
Explanation:
the amino acids in proteins and the fatty acids in fat replace the amino and fatty acids in your brain to help you function and develop correctly.
<span>Heat released by the water: mass * specific heat * ΔT
Heat released by the water = 55.9 g * 1 cal / (°C g) * (99.2 - 96.9 )°C
Heat absorbed by the zinc metal = mass * specifi heat * ΔT
Heat absorbed by the zinc metal = 23.9 g * Cp * (96.9 - 21.1) °C
Heat absorbed by zinc metal = heat released by water
=> 23.9 * Cp * 75.8 = 55.9 * 1 * 2.3
=> Cp = 128.57 / 1811.62 = 0.0071 cal / (g°C)
Answer: 0.0071 cal / (g°C)
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