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slamgirl [31]
3 years ago
5

Which of the following is used for chemical symbols today

Chemistry
1 answer:
kap26 [50]3 years ago
4 0

Answer/Explanation:

letters are used as a sign of chemical symbols in today's time

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What observations can we make that are the result of the rotation of the earth on its axis? (How do we know that the earth is ro
Liula [17]

day and night is the main way you can tell as well as the stars moving across the sky, and we can tell it rotates by looking at the sky and seeing the sun move across the sky during the day.

8 0
3 years ago
Identifying Processes of the Carbon Cycle
Mademuasel [1]

Answer:

They break down the plants and animals they eat.

Explanation:

Consumers are the organisms which feed on plants and animals for obtaining energy. The carbon which is present in plant body in the form of glucose which is made in the process of photosynthesis. When these plants are eaten by consumers, the carbon which present in plants are transferred into the animal's body. This carbon is removed from the body of consumer in the process of cellular respiration and again goes to the atmosphere.

4 0
4 years ago
How many moles of Sulfur (S) are equal to 1.806 x 10^24 atoms Sulfur?
mezya [45]

Answer:

b) 3.000 mol S

Explanation:

using Avogadro's constant

1 mol = 6.02 × 10^23 atoms

we need to find the number of moles for 1.806 × 10^24

x = 1.806 × 10^24

putting it together we now have:

1 mol = 6.02 × 10^23 atoms

x = 1.806 × 10^24

cross multiply

6.02 × 10^23 x = 1.806 × 10^24

divide both sides by 6.02 × 10^23

x = (1.806 × 10^24) ÷ (6.02 × 10^23) = 3 mol

3 0
2 years ago
Help :L
jok3333 [9.3K]

Answer:

1.6 g/cm3

Explanation:

The formula for Density is actually D=m/v

m= 12.9g

v= 8 cm3

D= \frac{12.9}{8} =1.6125

The unit is grams per centimeters cubed or g/cm3

(If you use the formula given in the question it would be D=0.62)

5 0
3 years ago
Read 2 more answers
In two or more complete sentences, compare combination reactions to decomposition reactions.
S_A_V [24]
Combination: Joining of two different substances to form a more complex substance.

Decomposition: Breaking of a compound into two or more products.

I HOPE THIS HELPS! :3
6 0
3 years ago
Read 2 more answers
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