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Eddi Din [679]
2 years ago
12

The end product of the weathering of gabbros or basalt rocks is a solution of dissolved material that Mose likely would contains

high amounts of
Chemistry
1 answer:
vesna_86 [32]2 years ago
7 0
The correct answer is Iron and magnesium

~ hope this helps! ❤️
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Pick the correct model
frutty [35]

Answer:

A and B is the answer as there structure change

3 0
3 years ago
Calcium is a group 2 element. Chlorine is a group 7 element. They form an ionic compound called
kondaur [170]

Answer:

CaCl2

Explanation:

For every calcium there's 2 chlorine

7 0
2 years ago
If 72.5 grams of calcium metal (Ca) react with 65.0 grams of oxygen gas (O2) in a synthesis reaction, how many grams of the exce
Natali5045456 [20]
2Ca + O2 = 2CaO
First, determine which is the excess reactant
72.5 g Ca (1 mol) =1.8089725036
(40.078 g)

65 g O2 (1 mol) =2.0313769611
(15.999g × 2)
Since the ratio of to O2 is 2:1 in the balanced reaction, divide Ca's molar mass by 2 to get 0.9044862518. this isn't necessary because Ca is already obviously the limiting reactant. therefore, O2 is the excess reactant.

Now do the stoichiometry
72.5 g Ca (1 mol Ca) (1 mol O2)
(40.078 g Ca)(2 mol Ca)(31.998g O2)

=0.0282669621 g of O2 left over
5 0
3 years ago
Which statements describe functions of the backbone? Check all that apply.
Ronch [10]

Answer:

A and E

Explanation:

Backbone is the part of skeletal system and is made of 26  vertebrae in total. The backbone and bones of lower limbs together serve to support the body's weight. Backbone surrounds and protects the spinal cord. Since the vertebrae of backbone are joints together by synovial joints, it allows the flexibility and movement of organisms.

4 0
3 years ago
Read 2 more answers
Explain, in terms of electrons, why the radius of a calcium ion is smaller than the radius of a calcium atom.
Lilit [14]
Because the calcium ion donates two electrons to achieve the stable state. So the layer of electrons decrease form 4 layers(2,8,8,2) to 3 layers(2,8,8). Thus, the radius of a calcium ion is smaller than a calcium atom.
4 0
3 years ago
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