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lianna [129]
3 years ago
5

BRAINLIESTTT ASAP!! PLEASE ANSWER :)

Chemistry
2 answers:
Verizon [17]3 years ago
7 0

Answer:

Although I won't describe the Periodic Table for Trends in my own words cuz that would be much harder to digest, I will show you a picture to demonstrate it in a more simple way:

Explanation:

The arrows indicate the direction of increase in trend by the way.

Arte-miy333 [17]3 years ago
4 0
Non-Metal
Nonmetal or non-metal is a chemical element that does not have the properties of a metal. Some are gases including: hydrogen, helium, oxygen, nitrogen, fluorine, neon, or radon and many others. An example of a solid that is a nonmetal is sulfur. ... Usually, gases or brittle solid are non metals
Metal
In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of delocalized electrons.

Read more on Brainly.com - brainly.com/question/13791940#readmore
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At the beginning of the industrial revolution in 1850, the CO2concentration was 280 ppm. Today, it is 410 ppm.
Orlov [11]

Answer:

1. 2.04 W/m²

2. 1.63°C

Explanation:

The radiative force that the Earth receives comes from the Sun. When the Sun rays come to the surface, some of them are absorbed and then it is reflected in the space. The greenhouse gases (like CO2) blocks some of these rays, and then the surface stays warm. The excessive amount of these gases makes the surface warmer, which unbalance the climate on Earth.

1. The variation of the radiative forcing can be calculated based on the concentration of the CO2 by the equation:

ΔF = 5.35*ln(C/C0)

Where C is the final concentration, and C0 is the initial concentration.

ΔF = 5.35*ln(410/280)

ΔF = 2.04 W/m²

2. The temperature change in the Earth's surface caused by the variation of the radiative forcing can be calculated by:

ΔT = 0.8*ΔF

ΔT = 0.8*2.04

ΔT = 1.63 K = 1.63°C

6 0
3 years ago
Define<br>Equivalent weight of a<br>Chemical substance​
SSSSS [86.1K]
Equivalent weight, in chemistry, the quantity of a substance that exactly reacts with, or is equal to the combining value of, an arbitrarily fixed quantity of another substance in a particular reaction. ... The equivalent weight of an element is its gram atomic weight divided by its valence (combining power).


Hope it helps!! Have a great day❤️✨
4 0
3 years ago
Help pleaseeeeeeeee just need 4 answers
larisa86 [58]

Answer:

Here, acceleration due to gravity(a) is assumed as 10m/s².We can also take it as 9.8m/s²

Explanation:Brick) Weight=m * a=1 * 10=10N\\Bag of books) Mass=f/a=25/10=2.5kg\\Bag of potatoes) Weight=m * a=10 * 10=100N\\Bag of cement) Mass=f/a=400/10=40kg

8 0
2 years ago
The energy of moving atoms is
balandron [24]

The answer is Thermal Energy :)

4 0
3 years ago
Read 2 more answers
In a desert, soil containing a mixture of sand and small rocks is exposed to wind erosion. Over time, how would the land surface
amid [387]
Sand dunes would be created due to the mixture falling on each other
x
3 0
3 years ago
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