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ch4aika [34]
3 years ago
8

Which describes interactions between substances and stomata during photosynthesis?

Chemistry
1 answer:
Mariulka [41]3 years ago
8 0
The interaction between the substances and stomata is a chemical reaction, light energy strikes at the chlorophyll molecules, whose electrons gets excited to a state of higher energy, and they come back to their state of lower energy by emission of energy, which is accepted by a chain of acceptors, and energy is generated. 
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Regular table salt is sodium chloride, NaCl. It is a bonding of an Na+ ion and a Cl- ion. Which of these ions is bigger?
fenix001 [56]

Answer:

in the periodic table we can see that the ions of Cl is greater than the ions in Na

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How many neutrons are in an atom of molybdenum-96 (Mo-96)?
Sergio [31]
There are 54 neutrons in molybdenum -96
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PLS HELP! If I have 17 moles of gas at a temperature of 67°C, and a pressure of 5.34 atmospheres, what is the volume of the gas?
sveta [45]

Answer: If I have 17 moles of gas at a temperature of 67°C, and a pressure of 5.34 atmospheres, what is the volume of the gas? write down all the givens of the problem

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Write a net ionic equation for the reaction that occurs when aqueous solutions of nitric acid and sodium hydroxide are combined.
Veronika [31]

Answer:

H^+(aq) +  OH^-(aq) -------> H2O(l)

Explanation:

We must first write the molecular reaction equation as follows;

HNO3(aq) + NaOH(aq) ------>NaNO3(aq) + H2O(l)

The complete ionic equation is;

H^+(aq) + NO3^-(aq) + Na^+(aq) + OH^-(aq) -------> Na^+(aq) + NO3^-(aq) + H2O(l)

The net ionic equation therefore is;

H^+(aq) +  OH^-(aq) -------> H2O(l)

5 0
3 years ago
The Ksp for Cu(OH)2 is 4.8 × 10-20. Determine the molar solubility of Cu(OH)2 in a buffer solution with a pH of 10.1.
Papessa [141]

Answer:

E) 3.0x10⁻¹²

Explanation:

Ksp of Cu(OH)₂ is defined as:

Cu(OH)₂(s) ⇄ Cu²⁺(aq) + 2 OH⁻(aq)

Ksp = [Cu²⁺] [OH⁻]²

When pH is 10.1,  [OH⁻] is:

pOH = 14 - pH

pOH = 3.9

pOH = -log [OH⁻]

<em>[OH⁻] = 1.26x10⁻⁴M</em>

<em />

Replacing in ksp formula:

4.8x10⁻²⁰= [Cu²⁺] [1.26x10⁻⁴]²

<em>3.0x10⁻¹² = [Cu²⁺] </em>

That means the maximum amount of Cu²⁺ that can be in solution is 3.0x10⁻¹²M, thus, molar solubility of Cu(OH)₂ is

<em>E) 3.0x10⁻¹²</em>

3 0
3 years ago
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