Answer:
6.02 x 1023 number of atoms in one mole.
Explanation:
i cant show work because i dont want to be loud in 3 in the moring
A) <span>Particles need to collide in order to react</span>
Changes in phase from solid to liquid (melting) and from liquid to gas (boiling) require energy. When solid ice melts and becomes a liquid, the particles of the substance move farther apart and heat energy is gained. When water boils, if forms steam (a gas).
Answer:
e. 4.847 x 10-19 J
Explanation:
From the given information:
The equation connecting the photon energy and the wavelength is:
where;
= 6.626 * 10 ^{-34} J.s
= 3.00 * 10^8 m/s
wavelength 
To determine the photon energy of violet light
= 4.847 × 10⁻¹⁹ J
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