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Afina-wow [57]
4 years ago
13

Please help on science!! Will mark as brainliest!!

Chemistry
1 answer:
telo118 [61]4 years ago
8 0

Answer:

6. yes  you can add more beans with the each sounding signal to the beaker because there is pattern of adding beans in the beaker and addition of double has the capacity of 20 vs 40 more beans in the beaker

7. you can add up two more lines in the table

90 vs 180

100 vs 200

8. This could not be possible . the growth of population does effect the resources like land and space and other things .

need more help let me know if you need to understand something again . Text me Thanks

Explanation:

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mamaluj [8]

\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Ionic bonds.

Since Sodium (Na) is a cation and Chlorine (Cl) is a Anion, they both form a Ionic bond called as NaCl (common salt)

So answer is, Na and Cl

3 0
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How many grams of water react to form 7.21 moles of Ca(OH)2
oksano4ka [1.4K]

You have the stoichiometric equation. This tells you unequivocally that an  

18

⋅

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mass of water, 1 mole, reacts with a  

56.07

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If you don't from where I am getting these numbers, you should know, and someone will be willing to elaborate.

Here, you have formed  

6.21

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o

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In practice, of course I would not weigh out this mass. I would just pour  

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