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Pie
3 years ago
5

In the past when a commodity has been identified as a new source of biofuel in addition to its usual food uses, that commodity h

as seen a spike in prices
True or False
Chemistry
1 answer:
stiks02 [169]3 years ago
5 0
I think that the answers is true
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What is the name given to the electrons in the highest occupied energy level of an atom
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The electrons in the highest occupied energy level of an atom are called valence electrons.
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4 years ago
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Why is it important to use fine adjustment when focusing with the high power on a microscope?
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Coarse and fine adjustment The coarse adjustment knob should only be used with the lowest power objective lens. Once it is in focus, you will only need to use the fine focus. Using the coarse focus with higher lenses may result in crashing the lens into the slide.

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3 years ago
4 moles of monoatomic ideal gas is compressed adiabatically causing the temperature to increase from 300 K to 400 K. Calculate t
yawa3891 [41]

Answer:

the work done on the gas is 4,988.7 J.

Explanation:

Given;

number of moles of the monoatomic gas, n = 4 moles

initial temperature of the gas, T₁ = 300 K

final temperature of the gas, T₂ = 400 K

The work done on the gas is calculated as;

W = \Delta U = nC_v(T_2 -T_1)

For monoatomic ideal gas: C_v = \frac{3}{2} R

W = \frac{3}{2} R \times n(T_2-T_1)

Where;

R is ideal gas constant = 8.3145 J/K.mol

W = \frac{3}{2} R \times n(T_2-T_1) \\\\W = \frac{3}{2} (8.3145) \times 4(400-300) \\\\W =  \frac{3}{2} (8.3145) \times 4(100)\\\\W = 4,988.7 \ J

Therefore, the work done on the gas is 4,988.7 J.

4 0
3 years ago
Atoms have _______ different subatomic particles.
valkas [14]

Answer:

C. 3

Explanation:

I hope my answer will be useful

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3 years ago
Define Titanium and what it is used for
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Chemical element of atomic number 22, a hard silver-gray metal of the transition series, used in strong, light, corrosion-resistant alloys.<span>These alloys are mainly </span>used<span> in aircraft, spacecraft and missiles because of their low density and ability to withstand extremes of temperature.</span>
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3 years ago
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