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Harman [31]
2 years ago
12

When an electron moves from one energy level to another, if the transition is to a _______ energy level, energy is absorbed, and

a photon is _______ by the atom.
Question 16 options:
higher; absorbed
lower; emitted
lower; absorbed
higher; emitted
Chemistry
1 answer:
gregori [183]2 years ago
4 0

Answer:

lower,emitted

Explanation:

when electron changes level,  it decreases energy and emits photon.

photon is emitted when it goes from higher to lower energy level

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Ripening is a _______________ and spoiling is a ______________.
Mazyrski [523]

Answer:

A

Explanation:

The answer to this question is A. Both ripening and spoiling are chemical reactions.

Spoiling is a chemical reaction because spoiled food has bad smell and taste and it changes colour too.

Ripening of fruits is a chemical change. For example the colour could change as well as the texture.

7 0
1 year ago
Read 2 more answers
In the following reaction, how many liters of o2 will produce 43.62 liters of co2 at stp? c3h8 5 o2 3 co2 4 h2o
antoniya [11.8K]
The balanced chemical reaction:

C3H8 + 5O2 = 3CO2 + 4H2O

We are given the amount of the carbon dioxide to be produced. This will be the starting point of our calculations.

<span>43.62 L CO2 ( 1 mol CO2 / 22.4 L CO2 ) (5 mol O2 / 3 mol CO2 ) ( 22.4 L O2 / 1 mol O2) = 72.7 L O2</span>



4 0
3 years ago
Read 2 more answers
ASAP PLEASEE
Lesechka [4]

Answer:

Joe Mama Formula

Explanation:

JoeMamic Acid is the answer

4 0
2 years ago
What is an amu?<br> Will give Brainliest!
pantera1 [17]

Answer: Amu is an atomic mass unit.

8 0
2 years ago
Determine the formula of chromic acid.
Katyanochek1 [597]

<u>Answer:</u> The formula of chromic acid is H_2CrO_4

<u>Explanation:</u>

We are given an ionic compound named as chromic acid. This acid is formed by the combination of hydrogen ion and chromate ion.

An acid is defined as the substance which releases hydrogen ion when dissolved in water.

Hydrogen is the 1st element of periodic table having electronic configuration of 1s^1.

This element will loose 1 electron to form H^{+} ion.

Chromate ion is a polyatomic ion having chemical formula of CrO_4^{2-}

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical formula for the given compound is H_2CrO_4

Thus, the formula of chromic acid is H_2CrO_4

8 0
3 years ago
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