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Step2247 [10]
3 years ago
9

How easy can water pass through granite?

Chemistry
1 answer:
Margarita [4]3 years ago
7 0
Immposibile because water cannot pass through granite
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14. Would you expect each of the following atoms to gain or lose electrons when forming ions ? what ion is the most likely in ea
yanalaym [24]

Answer:

The answer to your question is below

Explanation:

Metals lose electrons and Nonmetals gain them.

a. Ra is in group IIA it will lose electrons, the ion will be Ra⁺²

b. Br is in group VIIA it will gain electrons, the ion will be Br⁻¹

c. In is in group IIIA it will lose electrons, the ion will be In⁺³

d. Te is in group VIA it will gain electrons, the ion will be Te⁻²

e. Ca is in group IIA it will lose electrons, the ion will be Ca⁺²

f. As is in group VA it will gain electrons, the ion will be As⁻³

g. Al is in group IIlA it will lose electrons, the ion will be Al⁺³

h. Rb is in group IA it will lose electrons, the ion will be Rb⁺¹

7 0
2 years ago
Which of the following samples will have the greatest volume at STP?
Tamiku [17]

Answer:

Option b. 22 g of He will have the greatest volume at STP

Explanation:

In order to determine the volume, we apply the Ideal Gases Law equation:

P . V = n . R . T

V = n . R . T / P

R, T and P are the same in all the situation we must define n (number of moles).

The one that has the greatest number of moles will have the greatest volume at STP

22 g of Ne . 1mol / 20.1 g = 1.09 moles of Ne

22g of He . 1mol / 4 g = 5.5 moles of He

22 g of O₂ . 1mol / 32g = 0.68 moles of O₂

22 g of Cl₂ . 1mol / 70.9 g = 0.31 moles of Cl₂

4 0
2 years ago
5 of 10
Roman55 [17]

Answer:

Peer review is a quality control measure for medical research. It

is a process in which professionals review each other's work to

make sure that it is accurate, relevant, and significant. Scientific

researchers aim to improve medical knowledge and find better

ways to treat disease.

if I am right mark the answer as brainliest

6 0
1 year ago
Read 2 more answers
Can i get some help with this
aliya0001 [1]

Answer:

Velocity

Explanation:

Velocity is a vector quantity that mentions the direction of the object(north, south, etc..) speed is not a vector quantity.

I think this is the answer, I hope this helps!

3 0
2 years ago
When rolling a die, find the probability of rolling an even number or rolling a
frozen [14]
<h3><em><u>ᎪꪀsωꫀᏒ</u></em></h3>

even no = 3/6 = 1/2

no. less than 5 = 4/6 = 2/3

3 0
2 years ago
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