Answer:
TO POWER ELECTRIC GADGETS AND SAVE EARTH FROM POLLUTION
Explanation:
If the atom is neutral, then the number of electrons will ALWAYS be the same as the number of protons (which is the atomic number), so in this case the number of protons is 16, and that make the number of electrons 16
Please post a new question on this, it's very confusing.
The answer is B, the average kinetic energy increases.
Kinetic energy is energy of motion, So by making a liquid then a gas, you can see the molecules are more mobile meaning an increas in Kinetic energy :)
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Answer:
121550 J
Explanation:
Parameters given:
Mass, m = 0.34kg
Specific heat capacity, c = 14300 J/kgK
Change in temperature, ΔT = 25K
Heat gained/lost by an object is given as:
Q = mcΔT
Since ΔT is positive in this case and also because we're told that heat was transferred to the hydrogen sample, the hydrogen sample gained heat. Therefore, Q:
Q = 0.34 * 14300 * 25
Q = 121550J or 121.55 kJ