Answer:
D) 0.450 M
Explanation:
Given data
- Initial volume (V₁): 6.00 mL
- Initial concentration (C₁): 0.750 M
- Volume of water (VH₂O): 4.00 mL
- Final volume (V₂): V₁ + VH₂O = 6.00 mL + 4.00 mL = 10.0 mL
- Final concentration (C₂): ?
We can determine the final concentration using the dilution rule.
C₁ × V₁ = C₂ × V₂
C₂ = C₁ × V₁/V₂
C₂ = 0.750 M × 6.00 mL/10.0 mL
C₂ = 0.450 M
The plant that should be moved here to protect from malnourishment is plant 3. The correct option is C.
<h3>What is visible spectrum?</h3>
The visible light spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye. Simply put, this range of wavelengths is known as visible light.
The visible spectrum, also known as the optical spectrum, is the portion of the electromagnetic spectrum whose radiation consists of photons capable of sensitizing a normal person's human eye. The corresponding visible light radiation range is identified.
That being said, plant 3 is situated in front of a green stained glass window.
Plants have chlorophyll pigment that reflects back green light, making green light less effective for photosynthesis and causing them to die as quickly as if they were kept in the dark.
Thus, the correct option is C.
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There are two forms of chemical equations
Ion equation: written in ion form (as separated ions) which forms the net ionic equation after removing an ion spectator
Molecular equation: written in molecular form
2AgNO₃(aq) + H₂S(aq) ⇒ Ag₂S(s) + 2HNO₃(aq)
The above reaction can be included in a double replacement reaction⇒ an ion exchange between two ion compounds in the reactant to form two new ion compounds in the product
It can be shown the existence of the precipitation reaction, which is the formation of insoluble Ag₂S (not dissolve)
Answer: C. 6
Explanation:
According to the Law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
The balanced chemical reaction for photosynthesis is :
![C_6H_{12}O_6+6O_2\rightarrow 6CO_2+6H_2O+energy](https://tex.z-dn.net/?f=C_6H_%7B12%7DO_6%2B6O_2%5Crightarrow%206CO_2%2B6H_2O%2Benergy)
Thus the coefficient of water is 6.
<span>the study of matter and the changes that matter undergoes</span>