Explanation:
proton number and neutron number sums up to form the mass number
<h3>
<u>Two </u><u>device</u><u> </u><u>that </u><u>are </u><u>using</u><u> </u><u>spinning</u></h3>
→ <u>Takli</u>
- Takli is a small support style spindle. Takli is a perfect tool for spinning cotton, and this are used too to spin fibers, cotton, cashmere, and silk etc. Takli is known as handspindle. And it is the simplest device for spinning.
→ <u>Charkha</u>
- Charkha is a device for spinning thread or yarn from fibers etc. This are known as spinning wheel.
<h2>HAVE A NICE DAY!</h2>
As in like, the action or the history?
The enthalpy of formation has a negative sign, which means that the reaction is exothermic. In other words, when ethanol is formed, heat is released to the surroundings as a by-product. The reaction for the formation of ethanol is written below:
<em>C₂H₄ + H₂O → C₂H₅OH</em>
