Answer: D. Sends small electrical impulses to the heart, causing it to beat more
Explanation: A pacemaker is implanted in the chest and helps to treat abnormal heart rhythms especially those causing your heart to skip beats or beat too slow.
Answer:
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Answer:
Explanation:
Hello,
At first, we must consider that at the beginning, both copper and silver are solid, so we must melt both of them, thus, the following enthalpic routes are proposed in order to know each heat because coppers melting points as a value of 1356K and silver's melting point 1235K:
Now, the released heat due to the mixing process turns out into:
Finally, the total heat required is found by:
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Answer: B) The rate of reaction
Explanation: Rate of reaction describes the speed at which the reactants of the reaction are getting converted into the products with respect to time.
The equilibrium explains that how much concentration of reactant is in equilibrium with the product.
Solution concentration is the number of moles of solution divided by volume.
The catalyst is the substance which increases the rate of the reaction which bringing any change in other things.
