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Ivenika [448]
3 years ago
13

How beryllium differs from others in its group?

Chemistry
1 answer:
geniusboy [140]3 years ago
3 0

Answer:

* Beryllium is the lightest of all the alkaline earth metals.

* It has higher melting and boiling points compared to other elements in group 2.

Explanation:

<em>I</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>></em><em>~</em><em><</em>

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Anyone want to talk? kinda bored right now
OverLord2011 [107]

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3 years ago
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How many grams are in 5.2 moles of Li2SO4
skelet666 [1.2K]

Answer:

572 g

Explanation:

Molar mass is the mass of 1 mol of an element or compound

molar mass of Li₂SO₄ is the sum of the products of the molar masses of the elements by the number of atoms in the compound

molar masses of each element making up lithium sulphate

Li - 7 g/mol

S - 32 g/mol

O - 16 g/mol

molar mass of Li₂SO₄ - (7 g/mol x 2) + ( 32 g/mol x 1) + ( 16 g/mol x 4 )

molar mass = 110 g/mol

mass of 1 mol of Li₂SO₄ is 110 g

therefore mass of 5.2 mol of Li₂SO₄ is - 110 g/mol x 5.2 mol = 572 g

mass is 572 g

7 0
3 years ago
A high concentration of water has ____________ dissolved particles than a low water concentration.
N76 [4]

A high concentration of water has <u>fewer</u> dissolved particles than a low water concentration.

Most cell membranes are not as easily permeable to many dissolved compounds as water is. There is a quick and constant flow of water. From one area with less dissolved matter to another with more, water transports NET. Or, if you want, from an area with a lot of water to one with little water. The terms isotonic, hypotonic, and hypertonic refer to the concentration of dissolved material. In a medium, such as the extracellular fluid, every distinct material has a concentration gradient that is unique from the gradients of other substances. Every substance will diffuse in line with that gradient as well.

Learn more about Concentration here-

brainly.com/question/10725862

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3 0
1 year ago
Which of the following is true about gravity? <br><br> Select all that apply.
Ivenika [448]

Answer:

its always attractive

Explanation:

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5 0
2 years ago
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Calculate the heat change in kilocalories for condensation of 6.5 kg of steam at 100 ° C
Thepotemich [5.8K]

Answer:

6,500 gm of steam require= 3,510 kilo calories (approx)

Explanation:

Every 1 gram of water at 100° C  absorb 540 calories

So,

Total water = 6.5 kg = 6,500 gram

So,

6,500 gm of steam require = 6,500 x 540

6,500 gm of steam require= 3,510 kilo calories (approx)

6 0
2 years ago
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