Answer:
instrumental music is used in festivals, rituals, etc.
Explanation:
Option A: Electrons flow from nickel fork to silver rod, which is a cathode.
In a cell, an electrode with lower standard reduction potential will undergo oxidation and act as an anode and the one with higher standard reduction potential will undergo reduction and act as a cathode. The movement of electrons always takes place from anode to cathode.
In the given cell, silver rod and nickel fork are taken as metal electrodes. The reduction half reaction of silver and nickel are as follows:
Here, the standard electrode reduction potential of silver and nickel is 0.80 V and -0.26 V. Since, the electrode potential of silver is more than that of nickel thus, silver rod will undergo reduction and it will be cathode. Nickel fork will be anode as it undergoes oxidation.
Since, electrons flow from anode to cathode thus, it flows from Ni electrode to Ag electrode.
It satisfies the statement A, electrons flow from nickel fork to silver rod, which is a cathode. Therefore, correct option is A.
Answer:
3. is an endothermic process.
Explanation:
Generally, reactions can be classified into two. Depending on whether they absorb heat -energy or release energy.
Endothermic Reactions are those reactions in which the reaction absorb heat form the surroundings.
Exothermic reactions are those reactions that release heat to the surroundings.
This means the correct option is;
3. is an endothermic process.
Answer:
Because of the difficulties of measuring the atmosphere's properties above the earth's reachable surface
Explanation:
Hello,
In this case, meteorology is the branch of science studying the atmosphere in its weather processes and forecasting and it had a late development because of the difficulties of measuring the atmosphere's properties above the earth's reachable surface. We cannot forget that even nowadays, it is very difficult to predict upcoming weathers with the 100 % assurance and with many days in advance.
Best regards.
Answer:
any atom that contains six protons is the element carbon and has the atomic number 6, regardless of how many neutrons or electrons it may have.
Explanation: