Answer:
Explanation: For example, pH 4 is ten times more acidic than pH 5 and 100 times (10 times 10) more acidic than pH 6. The same holds true for pH values above 7, each of which is ten times more alkaline (another way to say basic) than the next lower whole value.
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Answer:
B. Both body cells and sex cells are produced from a diploid.
Explanation:
i got an a on the assinment
Answer:
+2
Explanation:
All the alkaline earth metals have 2 valence electrons in their valence shell. Therefore, they lose 2 electrons to form cations with a +2 charge. For example, Mg²⁺.
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Answer:
Hydrogen accept the two electron form zinc and get reduced. Zinc loses its to electron and get oxidized.
Explanation:
The oxidation reduction reactions are called redox reaction. These reactions are take place by gaining or losing the electrons and oxidation state of elements are changed.
Oxidation:
Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.
Reduction:
Reduction involve the gain of electron and oxidation number is decreased.
Oxidizing agents:
Oxidizing agents oxidize the other elements and itself gets reduced.
Reducing agents:
Reducing agents reduced the other element are it self gets oxidized.
Chemical reaction:
Zn(s) + 2H⁺(aq) → Zn²⁺(aq) + H₂(g)
zinc is oxidized because its oxidation state increase from 0 to +2 and hydrogen is reduced because its oxidation state decreased from +2 to 0.
Hydrogen accept the two electron form zinc and get reduced. Zinc loses its to electron and get oxidized.
C
Decreasing the wavelength increases the frequency of a wave and vice versa, as long as the energy of the wave remains constant.
Explanation:
The energy of a wave is given by the formula;
E= hf
Whereby;
E = energy
h = Plank’s constant
f = frequency
Remember that f can be also represented as;
¹/ λ
Whereby;
λ = wavelength
Wavelength and frequency are therefore inversely proportional.
Decreasing the wavelength increases the frequency of a wave and vice versa, as long as the energy of the wave remains constant.
Learn More:
For more on frequency and wavelength of waves check out;
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