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Anna71 [15]
3 years ago
14

Gasoline is a product of crude oil, compressed organic matter formed from accumulations of algae millions of years ago. Some pla

ces are now substituting ethanol in place of gasoline. Ethanol is formed by fermenting certain foods like corn with yeast, then extracting the alcohol that is given off. Which of these energy sources is nonrenewable?
Chemistry
1 answer:
timofeeve [1]3 years ago
7 0

Answer:

Gasoline/oil is not renewable

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Classify the following materials as solid, liquid, or gas at room temperature: milk, helium, granite, oxygen, steel, and gasolin
Sati [7]
Im not sure but milk is liquid, helium is gas, granite is solid, oxygen is gas, steel is solid, and gasiloine is liquid.
3 0
3 years ago
What is the mass of 0.46 mol of MgCl2
Ronch [10]

Answer:

43.7

Explanation:

mole is equal mass concentration/ moler mass of MgCl²

8 0
3 years ago
How many grams is 4.2X10^24 atoms of sulfur?
ipn [44]
First find the number of moles of sulfur using dimensional analysis with avogadro’s number as the conversion factor. 4.2*10^24 atoms * (1 mol/6.022*10^23 atoms) = 7.0 mol sulfur. The molar mass of sulfur is 32.06 g/mol, which is found on the periodic table as sulfur’s (S) atomic weight. Use dimensional analysis again with the molar mass of sulfur as the conversion factor. 7.0 mol * 32.06 g/mol = 224.42 g sulfur. Since the problems gives us two significant figures, round the mass of sulfur to 220 grams, or 2.2 * 10^2 g.
7 0
3 years ago
When chromium loses two electrons, its configuration changes to
damaskus [11]

Electronic configuration of cromium is  

Cr-[Ar]4s¹3d⁵  

When cromium loses two electrons it becomes Cr⁺².  

So its electronic configuration becomes,  

Cr⁺²-[Ar]3d⁴  

One electron will go from 4s orbital and one electron will go from 3d orbital.

So the answer here is D. [Ar]3d⁴ -because after losing 2 electrons electronic configuration of cromium becomes  [Ar] 3d⁴.


3 0
3 years ago
A chemical is said to be stable if it is difficult to get it to react. This property of a chemical is a __________ property.
ivann1987 [24]

Answer:

physical

Explanation:

<h2><u>Fill in the blanks </u></h2>

A chemical is said to be stable if it is difficult to get it to react. This property of a chemical is a <u>physical</u>  property

4 0
3 years ago
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