The number of boxes is calculated by dividing the
total mass of hardware boxes by 1.00 kg
<h3>What is a hardware?</h3>
A hardware is a physical component of a system that can be touched and felt.
Because hardware are physical components, they always have a given mass.
Assuming, several hardware each of mass 1.00 kg is available to be chosen from.
Also, assuming that the sum total of the mass of all the hardware is known.
The number of boxes can be calculated as follows:
- total mass of hardware/1.00 kg
Therefore, the number of boxes is obtained by dividing the sum of the mass of the boxes by 1.00 kg.
Learn more about hardware and mass at: brainly.com/question/25698914
Chemical equation:
Pb(NO3)2(aq) + 2NH4I(aq) -->PbI2(s) + 2NH4NO3(aq)
Precipitate:
PbI2 (because it's a yellow insoluble solid)
Complete Ionic Equation:
Pb(aq) + 2NO3(aq) + 2NH4(aq) + I2(aq) --> Pb(s) + I2(s) + 2NH4(aq) + 2NO3(aq)
Net ionic equation:
Pb(aq) + I2(aq) --> Pb(s) + I2(s)
Let me know if there are any errors. Goodluck :)
Answer : (C) The heat of fusion for water is the amount of energy needed for water to melt.
Explanation :
Heat of fusion : It is calculate the amount of energy required for melting of a substance to change its states from solid to liquid at constant pressure.
Fusion is a process in which phase changes from solid to liquid.
In case of water, the solid ice converted into liquid water by the process of melting.
The reaction of phase changes in water is,

Answer:
Temperature is the average kinetic energy of particles of an object. Warmer objects have faster particles and higher temperatures.
Explanation:
If two objects have the same mass, the object with the higher temperature has greater thermal energy. Temperature is measured with a thermometer.