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2 years ago

Which term refers to an electrochemical cell that uses a spontaneous redox reaction to produce an electric current?

Chemistry

2 answers:

Serhud [2]2 years ago

7 0

Voltaic cell because it is the right answer

umka21 [38]2 years ago

3 0

Answer:

voltaic cell

Explanation:

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7. Bananas contain potassium. Which form of potassium is most likely found in bananas or in nature? a. K atom b. K+ cation C. K-

bulgar [2K]

Answer:

B. K+cation

Explanation:

Not all that sure but hope it will help.

7 0

2 years ago

2. A sample of apple juice has a volume of 4 mL and a mass of 72 g. What is the density

tangare [24]

Mass=72g
Volume=4mL

$\\ \sf\longmapsto Density=\dfrac{Mass}{Volume}$

$\\ \sf\longmapsto Density=\dfrac{72}{4}$

$\\ \sf\longmapsto Density=18g/mL$

5 0

2 years ago

Level 1 01 Which correctly pairs the outside particles with their charge? A. Electrons: Positive B. Protons: Positive C. Neutron

DochEvi [55]

Answer:

D. Electrons: Negative.

Explanation:

Hello, happy to help you today!

In this case, by considering the Bohr's atomic model in which atom is composed by a nuclei containing both protons and neutrons which are positively and neutrally charged respectively and surrounding electrons assembled in orbits or levels of energy which are negatively charged in order to provide a balance to the atom, the correct statement is: D. Electrons: Negative. Also consider the Bohr's model on the attached picture.

My best regards to you!

4 0

2 years ago

PLEASE HELP ME ASAP PLEASE!!!!

Viefleur [7K]

Answer:

10.56L

Explanation:

The following were obtained from the question given :

P1 = 845mmHg

V1 = 4.6L

P2 = 368mmHg

V2 =?

We can calculate the new volume by using Boyle's law as follows;

P1V1 = P2V2

845 x 4.6 = 368 x V2

Divide both side by 368

V2 = (845 x 4.6) / 368

V2 = 10.56L

8 0

3 years ago

The diagram and data below represent gas and the conditions of pressure, volume, and temperature of the gas in a rigid cylinder

Sedaia [141]

Answer:

2.3 L

Explanation:

when you have this eqaution you use P1V1T2=P2V2T1.

since you are looking for volume of gas cylinder that means you are looking for V2.

so you have your given P= 1.0 atm, V=2.5L, T=298K.

They ask you to use STP or standard pressure and temperature.

STP P= 1atm, STP T=273 K

so you are looking for V2 meaning you are going to get V alone so your new equation is P1*V1*TS/ P2* T1= V2

so you now substitue so its now 1*273*2.5/ 1* 298= V

682.5/ 298= V

Lastly V= 2.2902 and you round to tenths so now you have

V= 2.3 L

5 0

2 years ago