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drek231 [11]
3 years ago
10

What is an atom? Is it stable? Give reasons to support your answer.

Chemistry
1 answer:
Alex3 years ago
3 0
A stable atom is an atom that has enough binding energy to hold the nucleus together permanently. An unstable atom does not have enough binding energy to hold the nucleus together permanently and is called a radioactive atom.
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Chemical changes can affect physical and chemical properties whereas physical changes can affect
Nataly_w [17]
Physical changes can affect physical properties.

Hoped this helped.

~Bob Ross®

5 0
4 years ago
Which of the following is NOT a possible end-product of a fermentation process?- glucose- carbon dioxide- lactic acid- ethanol
MArishka [77]

Answer:

glucose

Explanation:

There are two types of respiration:

1. Aerobic respiration  

2. Anaerobic respiration

Aerobic respiration:

It is the breakdown of glucose molecule in the presence of oxygen to yield large amount of energy. Water and carbon dioxide are also produced as a byproduct.

Glucose + oxygen → carbon dioxide + water + 38ATP

Anaerobic Respiration:

It is the breakdown of glucose molecule in the absence of oxygen and produce small amount of energy. Alcohol or lactic acid and carbon dioxide are also produced as byproducts.  

Glucose→ lactic acid/alcohol + 2ATP + carbon dioxide

This process use respiratory electron transport chain as electron acceptor instead of oxygen. It is mostly occur in prokaryotes. Its main advantage is that it produce energy (ATP) very quickly as compared to aerobic respiration.  

Steps involve in anaerobic respiration are:

Glycolysis:

Glycolysis is the first step of both aerobic and anaerobic respiration. It involve the breakdown of one glucose molecule into pyruvate and 2ATP.

Fermentation:

The second step of anaerobic respiration is fermentation. It involve the fermentation of pyruvate into lactic acid or alcohol depending upon the organism in which it is taking place. There is no ATP produced in this step, however carbon dioxide is released.

4 0
4 years ago
PLS FAST WILL GIVE BRAINLIEST!! Examine the statement.
tatiyna

Answer:

I agree

Explanation:

For scientists working in classified areas, collaboration with university programs and researchers provides opportunities to expand and strengthen their science through the conduct of peer-reviewed, open literature research.

4 0
3 years ago
A beaker contains 0.50 mol of potassium bromide in 600 ml of water. an additional 600 ml of water is added. the number of moles
abruzzese [7]
The answer is 0.50 mol. The number of moles of potassium bromide in the beaker will not change since there is no additional potassium bromide introduced to the solution. The molarity of potassium bromide, the number of moles of water, the volume of the water solvent and the volume of the solution will all change if water is added.
5 0
3 years ago
How many moles of water can be produced from the reaction of 28g of C3H8
Montano1993 [528]
2.55 moles H20 will be produced
7 0
3 years ago
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