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fenix001 [56]
4 years ago
7

What form of energy flows through a copper wire connecting the two ends of a battery? A)heat energy B) electric energy C) chemic

al energy D) potential energy
Chemistry
1 answer:
timofeeve [1]4 years ago
6 0

Answer:

D. Potential energy

Explanation:

Chemical energy in the battery gives the electrons on the negative terminal electric potential energy.

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What replaced the early pharmacists role in the production of medicine
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Pharmaceutical compounding (done in compounding pharmacies<span>) is the creation of a particular  1 History; 2 </span>Roles<span>  These </span>ancient<span> compounders </span>produced<span> the first oils from plants and animals.  The compounding </span>pharmacist<span> often extracted these crude </span>drugs<span> using water or alcohol to form extracts,</span>
3 0
3 years ago
13 points for this, you have to show how you did it because i need to figuer out how you did it.
andrey2020 [161]
CO + 2 H2 → CH3OH 
<span> find # of mols in each reactants, </span>

<span>152500 g CO x 1 mol CO / 28.01g CO = 5444 mol CO </span>

<span>24500 g H2 x 1 mol H2 / 2.02 g H2 = 12129 mol H2 </span>

<span>mol ratio between CO and H2 is 1:2, which means each mol of production of CH3OH need 1 mol of CO and 2 mol of H. </span>

<span>H2 is enough to produce 6064 mols of CH3OH but there are only 5444mol of CO. </span>

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<span>= 174371 g = 174.4 kg</span>
4 0
3 years ago
An independent variable is....
Irina18 [472]

Answer:

B - What we change

Explanation:

Dependent Variable - What we measure

Control Variable - what stays the same

Conclusion - what we conclude

<em>Hope</em><em> </em><em>this</em><em> </em><em>can</em><em> </em><em>Help</em><em>!</em>

<em>:</em><em>D</em>

5 0
3 years ago
a gas has a volume of 45.0 mL and a pressure of 760.0 mm. If the pressure increased to 850.0 mm and the temperature remained the
tankabanditka [31]

Answer:

40 mL

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V2=P1V1/P2

You can check this by knowing that P and V at constant T have an inverse relationship. Hence, this is correct.

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4 years ago
n element has FOUR known isotopes with the following atomic masses and percentage of occurrence: 47.688 amu; 15.778% 44.000 amu;
mixer [17]
Have a gooood dayyyyy
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