Answer:
When Epsom salt (magnesium sulfate) dissolves, it separates into its ions: a magnesium ion (Mg2+) and a sulfate ion (SO4 2-), which results in hard water. When hard water and soap are mixed, the magnesium ion reacts with soap molecules and forms a solid material called a precipitate, which does not dissolve.
Explanation:
can i have brainlest
The density of the block will be "7.11 gm/cm³". A further explanation is provided below.
Given values are:
Density of iron,
Mass of block of metal,
Volume of block,
By using the formula,
→ ![Density = \frac{Mass}{Volume}](https://tex.z-dn.net/?f=Density%20%3D%20%5Cfrac%7BMass%7D%7BVolume%7D)
then,
→ The density of block will be:
= ![\frac{Mass}{Volume}](https://tex.z-dn.net/?f=%5Cfrac%7BMass%7D%7BVolume%7D)
= ![\frac{18.2}{2.56}](https://tex.z-dn.net/?f=%5Cfrac%7B18.2%7D%7B2.56%7D)
= ![7.11 \ gm/cm^3](https://tex.z-dn.net/?f=7.11%20%5C%20gm%2Fcm%5E3)
Learn more:
brainly.com/question/10804879
By the First Law of Thermodynamics heat will flow from the hotter body to the cooler one. The water warms the ice and in doing so the water gets colder.
Not sure but it might be A or B