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Ostrovityanka [42]
2 years ago
7

A 15 kg television sits on a shelf at a height of 0.3. How much gravitational potential energy is added to the television when i

t is lifted to a shelf of height 1.0m? A. 44.1 J B. 147.0 J C. 85.2J D. 102.9J
Chemistry
1 answer:
slavikrds [6]2 years ago
7 0

Answer:

Explanation:

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Air and water are both considered to be ____.
VMariaS [17]

Answer:

Elements.

Explanation:

Modern Chemistry says these are elements.

7 0
3 years ago
Read 2 more answers
Please help me with this it’s a quiz :(
STatiana [176]

Answer:

Carbon dixoide and water combine to form glucose and oxgen.

I hope this helped! :D

Explanation:

this process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

4 0
3 years ago
A certain shade of blue has a frequency of 7.17 × 1014 hz. what is the energy of exactly one photon of this light?
-Dominant- [34]
Answer is: the energy of exactly one photon of this light is 4.75·10⁻¹⁹ J.
Photon energy equation: E = h·ν.
E - energy of one photon.
ν- frequency.
h - Planck's constant.
ν = 7.17·10¹⁴ Hz.
h = 6.63·10⁻³⁴ J·s.
E = 6.63·10⁻³⁴ J·s · 7.17·10¹⁴ Hz.
E = 4.75·10⁻¹⁹ J.
3 0
3 years ago
A gas occupies a 1.5 l container at 25 degrees
musickatia [10]
The answer is:

683.8 cm^3
7 0
3 years ago
Why are the outer-most electrons the only ones included in the electron dot<br> diagram?
kupik [55]

Answer:

Atoms with 5 or more valence electrons gain electrons forming a negative ion, or anion. why are outermost electrons only ones included in orbital filling diagram? they are the only ones involved in chemical reactions and bonding. ... 2s orbital is farther from the nucleus meaning it has more energy.

Explanation:

8 0
3 years ago
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