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Zigmanuir [339]
3 years ago
14

Energy in a voltaic cell transfers from to

Chemistry
1 answer:
taurus [48]3 years ago
3 0

Answer:

In voltaic cell or a Galvanic cells, energy comes from the spontaneous chemical reactions or Chemical energy and this energy is consumed by electric cells and consumes electrical energy.

Explanation:

The chemical energy is converted into electrical energy which is used to derive non-spontaneous reaction.

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If 63.5 mol of an ideal gas is at 9.11 atm at 42.80 °C, what is the volume of the gas?
Anastaziya [24]

The volume of the gas is 180.26 L, if there are 63.5 mol of an ideal gas at 9.11 atm at 42.80 °C.

Applying the ideal gas law PV= nRT

After rearranging the aforementioned expression, the volume might then be found as: V= n R T/ P.

Consequently, V= 63.5 mol, 0.0821, 315 K, and 9.11 atm equal 180.26 L.

<h3>How is the ideal gas equation defined?</h3>

The ideal gas equation is PV = nRT. In this equation, P denotes the ideal gas's pressure, V its volume, n its total amount, expressed in moles, and R its resistance for the universal gas constant, and T for temperature.

To know more about Ideal gas, visit-

brainly.com/question/8711877

#SPJ13

3 0
2 years ago
The vapor pressure of water at 50.0 c is 12.33 kpa. What is this value in millimeters of mercury?
kramer

Answer:

  • <u>92.48 mmHg</u>

Explanation:

You need the conversion factor to convert the value of 12.33 kPa to milimiters of mercury, mmHg.

The converstion factors are looked at tables, which today you can find in internet.

Since the conversions between kPa and atm and between atm and mmHg are more widely known, I will show the conversion using those relations:

  • 1 atm = 101.325 kPa
  • 1 atm = 760 mmHg

⇒ 101.325 kPa = 760 mmHg

Then, dividing both sides by 101.325 kPa you get the conversion factor:

  • 1 = 760 mmHg / 101.325 kPa

Now, multiply 12.33 kPa by that conversion factor:

  • 12.33 kPa × 760 mmHg / 101.325 kPa = 92.48 mmHg ← answer
6 0
3 years ago
The three major groups p<br> On the periodic table are the
marin [14]
3 major groups are metals,metalloids, and the non-metals.
5 0
3 years ago
An object with a pre-weighed mass of exactly (and correctly) 0.54 g is given to 2 students. One student obtains a weight of 0.59
Alina [70]

Answer:

Both student have same percent error.

Explanation:

Given data:

Actual mass of object = 0.54 g

Measured value by one student = 0.59 g

Measured value by second student = 0.49 g

Percent error = ?

Solution:

Formula

Percent error = (measured value - actual value / actual value) × 100

Percent error of first student:

percent error = (0.59 g - 0.54 / 0.54 ) ×100

percent error =  9.3 %

Percent error of second student:

Percent error = (0.49 g - 0.54 / 0.54 ) ×100

Percent error = - 9.3 %

Both student have same percent error. The only difference is that first student measure the greater value then actual value and second student measure the less value then actual, however difference was same and gives same percent error.

3 0
4 years ago
Which best represents a reaction mechanism?
PIT_PIT [208]
A + B = Products
This is the correct mechanism.
6 0
3 years ago
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