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Sauron [17]
3 years ago
13

How is energy useful

Chemistry
1 answer:
wel3 years ago
7 0
Energy is extremely useful
As humans have always used energy, in the ancient times it was really only thermal, from burning wood for warmth and preparing food, then people learned to use animal's energy, and things moved on from there, getting into more complex stuff like we have today.

Life without energy from various sources is unimaginable today
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How many grams of silver are in 4.2 moles of silver?
Phantasy [73]

Answer:

Solution: Since the atomic mass of silver (Ag) is 107.87 amu, one mole of silver has a mass o f 107.87 grams. Therefore, there is one mole of Ag per 107.87 grams of Ag

Explanation:

8 0
3 years ago
Calculate the mass of aluminum bromide that can be produced from 4.4 mil of bromide
Aloiza [94]

Answer:

197 grams

Explanation:

Without taking into account the number of sig figs you have for your values, you can say that the answer will once again be

197 g of aluminium bromide.

(I hope this is right)

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3 years ago
Mendeleev's periodic table of elements was created in 1901.<br> O A. True<br> O B. False
LiRa [457]
B. False
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4 years ago
The polarity of the HCL molecule is due to the
slega [8]

Answer:Explanation: Polarity in a molecule arises due to unequal sharing of electrons. Hydrogen atom has one electron whereas chlorine atom has 17 electrons. Thus, in order to complete their octet both H and Cl will share an electron with each other.

Explanation:

7 0
4 years ago
Lab: Plate Boundaries and Movement Lab Report.
Nastasia [14]

A Plate Boundaries and Movement Lab Report is a report that shows the records of all the data relating to the movement of Plate Boundaries and their movements.

<h3>What are Plates in this context?</h3>

A tectonic plate is also described or referred to as a Lithosperic Plate. In Geography, it is described as a slab of rock that is not shaped regularly.

In most cases, it comprises continental and oceanic lithosphere.

<h3>Why is it crucial to record the movement of plates and their boundaries?</h3>

Plate Boundaries and their movement are largely linked to volcanic activities and earthquakes. This means that they can be used to predict when any of the above-mentioned events may happen.

Learn more about plate boundaries at:
brainly.com/question/21668651

#SPJ1

8 0
2 years ago
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