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SVETLANKA909090 [29]
3 years ago
7

Can someone help me with that question

Chemistry
1 answer:
Katen [24]3 years ago
6 0

Answer:

Gene - determines the trait (phenotype)

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"the substances that are formed by a chemical change are called the" "the state of matter in which a material has a definite vol
Triss [41]

The substances that are formed by a chemical change are called the product.

While the state of matter in which a material has a definite volume and a definite shape is the solid.

In a chemical reaction, the reactant on the left hand side undergoes a chemical change and gives product.

While in a solid state, a material has a definite volume and a definite shape is the solid.

7 0
4 years ago
A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode c
Andre45 [30]

<u>Answer:</u> The standard potential of the cell is 0.77 V

<u>Explanation:</u>

We know that:

E^o_{Ni^{2+}/Ni}=-0.25V\\E^o_{Cu^{+}/Cu}=0.52V

The substance having highest positive E^o reduction potential will always get reduced and will undergo reduction reaction.

The half reaction follows:

<u>Oxidation half reaction:</u> Ni(s)\rightarrow Ni^{2+}(aq)+2e^-

<u>Reduction half reaction:</u> Cu^{+}(aq)+e^-\rightarrow Cu(s)       ( × 2)

To calculate the E^o_{cell} of the reaction, we use the equation:

E^o_{cell}=E^o_{cathode}-E^o_{anode}

Substance getting oxidized always act as anode and the one getting reduced always act as cathode.

Putting values in above equation follows:

E^o_{cell}=0.52-(-0.25)=0.77V

Hence, the standard potential of the cell is 0.77 V

5 0
3 years ago
How many Oxygen atoms are in 2NA(OH)3
Dmitry [639]

Answer:

3 oxygen atom

hope it helps.

4 0
3 years ago
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I'm not a 100% sure but I feel strong about is
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