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NARA [144]
3 years ago
9

A mineral must be_______ rather than organic. Organic materials are formed from_______ things. Minerals must be made from materi

als that were non-living things.
Chemistry
1 answer:
rosijanka [135]3 years ago
8 0
The second blank is living. I'm not sure what the first one is.
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What is the wavelength of light with 2.89 x 10-19 J of energy? (The speed of
Alika [10]

Let's see

\\ \rm\rightarrowtail E=hv

\\ \rm\rightarrowtail E=\dfrac{hc}{\lambda}

  • lambda is wavelength
  • h is Planck constant
  • c is velocity of sound in air
  • E in energy

\\ \rm\rightarrowtail \lambda=\dfrac{hc}{E}

\\ \rm\rightarrowtail \lambda=\dfrac{6.626\times 10^{-34}\times 3\times 10^8}{2.89\times 10^{-19}}

\\ \rm\rightarrowtail \lambda=6.878\times 10^{-7}m

\\ \rm\rightarrowtail \lambda=68.8\mu m

3 0
2 years ago
What type of bond would occur between carbon (C) and nitrogen (N)
FrozenT [24]

Answer:

covalent

Explanation:

The carbon and the nitrogen very often form bonds in nature, carbon-nitrogen bonds, which are covalent types of bonds. In fact, the bonds between the carbon and nitrogen are one of the most abundant in the biochemistry and the organic chemistry. The bonds between these two can be double bonds, as well as triple bonds. The carbon-nitrogen bonds have the tendency to be strongly polarized toward the nitrogen.

8 0
3 years ago
Write a reflection about your learning in this unit. Your reflection should be at least 3 sentences. Use the following sentence
Vera_Pavlovna [14]

Answer:

This unit has encouraged a deeper understanding of the world and it's guiding principles. While it was initially challenging for me to determine if a change was physical or chemical, this unit provided me with the information necessary to determine the type. With this knowledge, I can now interrelate with other properties and believe that this new ability will assist in future units as well. Thank you!

Explanation:

5 0
2 years ago
What is the correct formula for sodium carbonate?
frosja888 [35]

Answer:

na2 co3

Explanation:

sodium carbonate formula

4 0
3 years ago
Read 2 more answers
What physical property makes metal pots good for cooking?
jeka94
Metal pots are good for cooking because they have heat conductivity.
4 0
3 years ago
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