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Assoli18 [71]
3 years ago
9

Explain how the crystals of an igneous rock are used to help classify it?

Chemistry
1 answer:
Hatshy [7]3 years ago
6 0
Classify what. explain more
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1. Which statement describes the properties of both elements that have just one valence electron and elements that have seven va
FromTheMoon [43]
Q1. They are highly reactive. Q2. High reactivity, nonmetallic. Q3. Oxygen has an ion charge of -2. Q4. LiCl I believe. Q5. How electrons are shared. Q6 1. Q7. Share 2 valence electrons, I believe.
3 0
2 years ago
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A student is shown a simple model of particles that make up a liquid, as shown
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bit.^{}ly/3a8Nt8n

7 0
2 years ago
How many moles of lithium oxide will form if 1.68 mol of lithium react?
levacccp [35]
Based on the chemical equation, 4 moles of lithium reacts with 1 mole of oxygen to produce 2 moles of lithium oxide.
First of all you need to find 1 mole of Lithium by diving 1.68 mol by 4 and the answer should be 0.42 mol. To calculate the no. of moles of lithium oxide, you've to multiply 0.42 mol by 2. Hence the answer, 0.84 mol.

3 0
2 years ago
A sample of a gas at 25°C has a volume of 150 mL when its pressure is 0.947 atm. What will the temperature of the gas be at a pr
dezoksy [38]

Answer:

25°C

Explanation:

Combined Gas Law (P₁V₁)/T₁ = (P₂V₂)/T₂

(0.947 atm)(150 mL)/25°C = (0.987 atm)(144mL)/T₂

5.682 = 142.128/T₂

T₂ = 142.128/5.682

T₂ = 25.0137272756°C = 25°C

6 0
2 years ago
2CO + O2  2CO2
murzikaleks [220]

Answer:

75 L Co2

37.5 L o2

Explanation:

welcome.

3 0
3 years ago
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