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lubasha [3.4K]
2 years ago
14

There was an airplane crash, every single person on board died, but yet two people survived. How is this possible?

Chemistry
1 answer:
musickatia [10]2 years ago
3 0
They were married so they didn't die! :D hope this helps!
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What is the wavelength of light that has a frequency of 3.7 x 1014 Hz? Show all work!!!
kramer

Answer:

Explanation:

f=\frac{c}{\lambda}=>\lambda=\frac{c}{f}=\frac{300x10^8\frac{m}{s}}{3.7*10^{14}\frac{1}{s}}=810.8108*10^{-9}m

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2 years ago
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Naturally occurring boron has an atomic mass of 10.810 amu consists of two isotopes. One of those isotopes is 10B with an isotop
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boron has an atomic mass of 10.810 amu consists of two isotopes.

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3 years ago
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Hydrochloric acid reacts faster with powdered zinc than with an equal mass of zinc strips because the greater the surface area o
inysia [295]

Answer:

increases the frequency of particle collisions

Explanation:

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According to the collision theory, reactions occur when reactant particles having the required (activation) energy collide with each other, this collision is inelastic. However, collision of particles having energies less than the activation energy results in elastic collisions and no chemical reaction.

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7 0
3 years ago
Which one of the following is not a fossil fuel?
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Is material that has a density of 0.2g/ml good for building a bridge or for making couch cushions
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