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RUDIKE [14]
3 years ago
13

Which of the following statements about the compound HCI is true?

Biology
2 answers:
sukhopar [10]3 years ago
8 0
Answer.
The answers is A; The physical and chemical properties of HCl are different from those of H2 and Cl2.

Explanation; 
Hydrogen chloride is a gas, which is a molecule made up of a hydrogen and a chlorine atom bonded by a single bond. 
The chemical and physical properties of HCl differs from those of hydrogen and chlorine. For example; they have different molecular weight; HCl is colorless, while chlorine is greenish yellow and hydrogen is colorless
never [62]3 years ago
8 0
The answer should be a. The physical and chemical properties of HCl are different from those of H2 and Cl2. Although H2 and Cl2 can react to form HCl, they are different compounds so will have different properties both physical and chemical.
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What is the starch indicator, and how does it change?
kow [346]

Answer:

<h3><em>Starch is a indicator in the iodometric titration and it turns deep dark blue when iodine is present in a solution. The starch under warming condition forms amylose and amylo pectins which combine with iodine to produce dark blue color.In absence of iodide ion starch indicator is colorless.</em></h3>

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8 0
3 years ago
The total amount of ATP that a cell gains for each glucose molecule that enters glycolysis depends on the presence of carbon dio
liraira [26]
<h2>Glycolysis  Process</h2>

Explanation:

  • <u>True is right Answer</u>
  1. The procedure of glycolysis creates a net increase of two pyruvate atoms, <em>two ATP particles, and two NADH atoms for the cell to use for vitality.  </em>
  2. Cell breath produces 36 absolute ATP for every atom of <em>glucose across three stages.The first stage, glycolysis, happens in the cytosol and nets 2 ATP while parting the six carbon glucose into two three-carbon pieces. Breaking the bonds between carbons in the glucose atom discharges vitality.  </em>
  3. ATP yield during oxygen consuming breath isn't 36–38, however just around 30–32 ATP particles/1 atom of glucose .
  4. The TCA cycle and  beta oxidation are utilized by the mitochondrial electron transport chain to create ATP.It formed FADH2 and NADH.  
  5. Complete oxidation of one palmitate particle (unsaturated fat containing 16 carbons) produces 129 ATP atoms.  
  6. The procedure can be abridged as glucose + oxygen → carbon dioxide + water. During this procedure, the vitality put away in glucose is moved to ATP. Vitality is put away in the bonds between the phosphate gatherings (PO4-) of the ATP particle.
6 0
3 years ago
Photosynthesis and cellular respiration, look at the picture
Anika [276]

Mike discovered that the  product of cellular respiration are the raw materials  of Photosynthesis while the products of photosynthesis  served as the raw materials for cellular respiration.

He also discovered that respiration is a catabolic process while photosynthesis is an anabolic process.

Another interesting fact seen by Mike is, the respiration releases energy while photosynthesis takes in energy.

Explanation:

  • In the equation of cellular respiration , we can see that glucose and oxygen are utilized in the mitochondrion to produce  carbon dioxide , water and chemical energy in the form of ATP.
  • Glucose breaks down during cellular respiration .
  • Again if we look at the chemical equation for photosynthesis in the chloroplast, we find that Carbon dioxide,which was produced during respiration is utilized along with water in presence of light energy to give out oxygen and Sugar (glucose)

8 0
3 years ago
How would you define sustainability in 2 sentances with your words?
otez555 [7]

Answer:

1: sustainability is an avoidance of the depletion of natural resources in order to maintain an ecological balance.

2: Sustainability means meeting our own needs without compromising the ability of future generations to meet their own needs.

Explanation:

hope it helps you!

3 0
3 years ago
Through the various biogeochemical cycles, such as the water cycle, the carbon cycle, and the nitrogen cycle, elements and molec
cestrela7 [59]

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6 0
3 years ago
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