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Evgesh-ka [11]
3 years ago
12

How did fossil records support the existence of a supercontinent?

Chemistry
2 answers:
erica [24]3 years ago
7 0

Answer:

B. Similar fossils were found in different continents.

Explanation:

alexandr1967 [171]3 years ago
5 0

Answer:

B. Similar fossils were found in different continents.

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How many Hydrogen atoms are in 4HN₃?
Kazeer [188]
4 Hydrogen Atoms should be correct. Because the 4 infront of it signifies the amount of hydrogen. It would also be 4 hydrogen atoms if it were written as H4N3, because the 4 is still around the H (as long as the 4 is under scored)
6 0
1 year ago
Help meee, if u help me i give u a pizza :)
kompoz [17]
Give me 25 minutes and I’ll have the answers :)
6 0
2 years ago
PLZ HEL I WILL GIVE BRAINLIEST
NemiM [27]

Answer: A material that readily transmits energy is a conductor, while one  that resists energy transfer is called an insulator .

i hope this will help u

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8 0
2 years ago
Read 2 more answers
Select the correct answer. The gas in a sealed container has an absolute pressure of 9.25 atmospheres. If the air around the con
N76 [4]

Answer:

Explanation:

8.25 atm

7 0
3 years ago
Read 2 more answers
Mass
DiKsa [7]

The molecular formula =C₆H₁₂O₆

<h3>Further explanation</h3>

Given

6.00 g of a certain compound X

The molecular molar mass of 180. g/mol

CO₂=8.8 g

H₂O=3.6 g

Required

The molecular formula

Solution

mass C in CO₂ :

= 1.12/44 x 8.8

= 2.4 g

mass H in H₂O :

= 2.1/18 x 3.6

= 0.4 g

Mass O in compound :

= 6-(2.4+0.4)

= 3.2 g

Mol ratio C : H : O

= 2.4/12 : 0.4/1 : 3.2/16

= 0.2 : 0.4 : 0.2

= 1 : 2 : 1

The empirical formula : CH₂O

(CH₂O)n=180 g/mol

(12+2+16)n=180

(30)n=180

n=6

(CH₂O)₆=C₆H₁₂O₆

7 0
3 years ago
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