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Anuta_ua [19.1K]
3 years ago
8

Answer the following question:

Chemistry
2 answers:
zhenek [66]3 years ago
8 0

poste en français s’il vous plaît

natali 33 [55]3 years ago
4 0

Answer:

Be careful, your chemistry teacher knows that you posted this question and he bookmarked this page!

Explanation:

From an online cheimstry teacher.

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Which of the following equations is balanced?
Georgia [21]

Answer:

B

Explanation:

4 0
2 years ago
How do fermentation reactions in oxygen-starved muscle cells and anaerobically grown yeast cells differ?
dedylja [7]

In oxygen- starved muscle cells in anaerobic respiration lactic acid is formed while in anaerobic respiration by yeast cells it produces ethanol and carbon dioxide.

Explanation:

Respiration occurring in absence of oxygen in muscles leads to accumulation of lactic acid and very less amount of energy. This is fermentation process as the end product formed is lactic acid.

The process of fermentation takes place in yeast bacteria and oxygen starved cells of muscles.

The yeast can ferment simple sugars like glucose and fructose into ethyl alcohol and carbon dioxide.

In general human respiration is aerobic but during strenuous exercise, oxygen does not meet the demand of working out muscle, so they respire anaerobically and produce lactic acid and 2 ATP i.e very less compared to 38 molecules of ATP in aerobic respiration.

8 0
3 years ago
What is an ion? what is a valence electron? how is an ion formed?
Anna35 [415]

Answer:

Ions are formed when atoms lose or gain electrons in order to fulfill the octet rule and have full outer valence electron shells. When they lose electrons, they become positively charged and are named cations. When they gain electrons, they are negatively charged and are named anions.

Explanation:

8 0
3 years ago
Read 2 more answers
What does Le Châtelier's principle say about upsetting a system at
never [62]

Answer:

C

Explanation:

7 0
2 years ago
A gas occupies a volume of 30.0L, a temperature of 25°C and a pressure of 0.600atm. What will be the volume of the gas at STP?​
Shalnov [3]

Answer:

=16.49 L

Explanation:

Using the equation

P1= 0.6atm V1= 30L, T1= 25+273= 298K, P2= 1atm, V2=? T2= 273

P1V1/T1= P2V2/T2

0.6×30/298= 1×V2/273

V2=16.49L

5 0
3 years ago
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