Answer : The final temperature is, 
Explanation :

As we know that,

.................(1)
where,
q = heat absorbed or released
= mass of water at
= 150 g
= mass of water at
= 100 g
= final temperature = ?
= temperature of lead = 
= temperature of water = 
= same (for water)
Now put all the given values in equation (1), we get
![150\times (T_{final}-363)=-[100\times (T_{final}-303)]](https://tex.z-dn.net/?f=150%5Ctimes%20%28T_%7Bfinal%7D-363%29%3D-%5B100%5Ctimes%20%28T_%7Bfinal%7D-303%29%5D)

Therefore, the final temperature is, 
<span>The molecular formula for Copper(II) Sulfate is CuSO4. 1 mole is equal to 1 moles Copper(II) Sulfate, or 159.6086 grams.I hope this is right </span>
Answer:
that we should not use harmful chemicals
and not to do pollution
1.Reduce, reuse, and recycle. Cut down on what you throw away.
2.Volunteer. Volunteer for cleanups in your community.
3.Educate.
4.Conserve water.
5.Choose sustainable.
6.Shop wisely.
7.Use long-lasting light bulbs.
8.Plant a tree.
hope this help you ✌
The substance which has mass and volume is said to be matter. Matter is classified as Pure substance (Element and Compound) and Mixture (Homogeneous and heterogeneous).
The simplest form of matter that has unique properties is known as element.
Elements can't break down into simpler units or substances by physical or chemical process. It is a pure substance which is made up of single type of atom such as hydrogen is made up of hydrogen atoms only.
Every element has unique name and symbol such as name: iron and its symbol is
.
Hence, element is defined as the simplest form of matter that has unique properties.
Having a variety is always good you never want to have too much of one thing. It helps with the food chain its basically survival of the fittest