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Archy [21]
3 years ago
5

I need help!!! Calculating pH, pOH, [H+] and [OH-]

Chemistry
1 answer:
Advocard [28]3 years ago
4 0
Find the hydroxide ion concentration of a solution with a pOH of 5.90. To solve this, use a scientific calculator and enter 5.90 and use the +/- button to make it negative and then press the 10x key.
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Which describes the role of carbon dioxide in photosynthesis?
jeka57 [31]

Answer:

It is a reactant, so it enters the plant.

Explanation:

Hello,

Photosynthesis is the natural process occurring when plants produce sugar and oxygen by using the visible light as the catalyst to undergo the following chemical reaction:

6CO_2+6H_2O-->C_6H_{12}O_6+6O_2

In such a way, it is seen that the carbon dioxide has the role of reactant as it is used by the plant, that is, it enters the plant to allow the photosynthesis to be carried out.

Best regards.

6 0
3 years ago
Read 2 more answers
Consider the following reversible reaction.
dmitriy555 [2]

Answer:

Keq = [CO₂]/[O₂]

Explanation:

Step 1: Write the balanced equation for the reaction at equilibrium

C(s) + O₂(g) ⇄ CO₂(g)

Step 2: Write the expression for the equilibrium constant (Keq)

The equilibrium constant is equal to the product of the concentrations of the products raised to their stoichiometric coefficients divided by the product of the concentrations of the reactants raised to their stoichiometric coefficients. It only includes gases and aqueous species. The equilibrium constant for the given system is:

Keq = [CO₂]/[O₂]

6 0
3 years ago
Read 2 more answers
Mrs. Lewis gives you a piece of iron and asks you to determine the physical and chemical properties of the metal. She wants you
Andreyy89
A. Identify the properties as either a physical or chemical property. (first 3 are chemical, last is physical)
7 0
3 years ago
B2O3(s) + 3C(s) + 3Cl2 (g) ---> 2 BCl3(g) + 3CO(g)
Svet_ta [14]
C. 51.3 mol is the answer 
8 0
3 years ago
How are weathering and erosion the same ( Science related ) A. Both move sediment form one place to another B. Both break down r
Vesnalui [34]

Answer:

B. Both break down rocks into smaller pieces.

Explanation:

Hello,

Since weathering involves no movement of materials, A and D options are discarded. In addition, these processes involve the direct breaking down effect done by the water, wind and others, that is why we don't talk about earthing but breaking down indeed, thus, answer is B.

Best regards.

7 0
3 years ago
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