Answer:
The atoms in the cup of coffee have more energy.
Explanation:
The difference between the hot cup of coffee and the piece of ice is their temperature. The hot cup of coffee has a higher temperature than the ice.
The relationship between the energy and temperature is a direct relationship. This means that higher temperature means higher kinetic energy and vice versa.
Since the hot cup of coffee has a higher temperature, it means it also have the highest amount of energy. The correct option is;
The atoms in the cup of coffee have more energy.
Answer:
2Fe + 3Cl2 → 2FeCl3
Explanation:
Fe + Cl2 —> FeCl3
There are 3atoms of Cl on the right side and 2 atoms on the left side. Therefore, to balance Cl put 2 in front of FeCl3 and put 3 in front of Cl2 as shown below:
Fe + 3Cl2 → 2FeCl3
Now, we see clearly that there are 2 atoms of Fe on the right side and 1 on the left side. This can be balanced by putting 2 in front of Fe as shown below:
2Fe + 3Cl2 → 2FeCl3
Now the equation is balanced.
5= Elemental hydrogen, nitrogen, oxygen, fluorine and chlorine are all gases at room temperature,
Answer:
B
Explanation:
The temperature is proportional to the kinetic energy of the system.
The kinetic energy is a measure of the movement capability of the molecules of the system. Hence, we can directly say molecules moving faster possess more average kinetic energy.
This kinetic energy is a measure of temperature. This is in the sense that the higher the temperature, the higher the degree of turbulnece . This tends to show us that the molecules are moving with greater speed.
Hence, we can conclude that there is a direct degree of proportionality between the temperature and the kinetic energy of the molecules as an increase in temperature causes a corresponding increase in the speed of the molecules
A given short peptide, SGYAL contains four peptide bonds. Any given short peptides/protein contain at least one amino group(s) (nh3 ) and one carboxyl group(s) (-coo- ).
SGYAL stands for secretaria general y asuntos legales. Sgyal is also written as Ser-Gly-Tyr-Ala-Leu . The structure of SGYAL is shown in the image attached. SGYAL contains four peptide bonds as highlighted by yellow color in the structure of SGYAL.
Peptide bond is formed by the condensation of carboxylic group of one molecule and amino group of other molecule. Any given short peptides/protein contain at least one amino group(s) () and one carboxyl group(s) ( -COO-).
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