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3 years ago

During the daytime, we can see things because the sun is giving off

Chemistry

2 answers:

Yuliya22 [10]3 years ago

5 0

Answer:

light energy

.................

icang [17]3 years ago

3 0

Answer:

light energy

Explanation:

heat does not effect how we see

the sun does not have sound

electrical energy does not effect how we see

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How can you calculate the energy of an electron who moved from E1 to E5?

puteri [66]

Answer:

See explanation

Explanation:

If the energy of the ground state E1 is known, then we need to measure the difference in energy between the energy levels E5 .and E1. We can obtain this by measuring the frequency or wavelength of a photon that is emitted when an electron moves from energy level E5 to E1.

From Bohr's model;

ΔE = E5 - E1

Hence;

E5 = ΔE + E1

7 0

2 years ago

Which of the following is a property of matter?

lana66690 [7]

Explanation:

Matter also exhibits physical properties. Physical properties are used to observe and describe matter. Physical properties can be observed or measured without changing the composition of matter. These are properties such as mass, weight, volume, and density.

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3 years ago

How do producers and consumers get energy from the sun?

Marysya12 [62]

Answer: In photosynthesis, producers combine carbon dioxide, water, and sunlight to produce oxygen and sugar (their food). Other organisms get energy by eating producers. ... It cannot directly use the Sun's energy to make food. As a consumer, it has to eat— or, consume— other organisms for energy.

Explanation: Thats how both producers and consumers get energy

6 0

3 years ago

Which type of relationship exists between Alaskan brown bears and salmon? A. predation B. mutualism C. competition D. commensali

aksik [14]

Answer:

A. predation.

Explanation:

Predation is a type of ecological interaction in which one organism which is known as predator feeds upon another organism thereby killing it. The organism which is killed by predator is known as prey. In such interaction one organism is benefited while another one is harmed.

Brown bears of Alaska feed upon salmon. In order to so they have developed many ways which include waiting at the bottom of falls from where salmons pass by or standing at the bottom of the falls.

3 0

3 years ago

Gaseous butano (CH,(CH),CH) will react with gaseous oxygen (0) to produce gaseous carbon dioxide (CO2) and goseous woter (11,0).

slega [8]

Answer:

Firstly, We have to convert it in the Miles formula...

No. of moles = Mass given/Molar Mass

So, the final answer be come

<h3> Ans - 50.8 gm and there same % is 50.8% butane in reaction </h3>

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2 years ago