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Arisa [49]
2 years ago
14

Do you think potassium is more or less reactive then sodium?

Physics
2 answers:
Anna35 [415]2 years ago
3 0

Answer:

Potassium is more reactive

Explanation:

Artist 52 [7]2 years ago
3 0

Answer:

more reactive

Explanation:

In potassium, the outermost electron is better shielded from the attractive force of the nucleus. 

So potassium can be converted to ionic form more readily than sodium. Hence, potassium is more reactive than sodium.

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Hypothesis testing is basically testing the results of a experiment to see weather your results are valid or not.
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the force exerted by gravity,electricity,and magnetism act at a distance with no physical connection. for this reason, they are
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Its called the electric force
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A 45.0-kg sample of ice is at 0.00°C. How much heat is needed to melt it? For water, Lf=334 kJ/kg and Lv=2257 kJ/kg 
Aleonysh [2.5K]

Heat required to change the phase of ice is given by

Q = m* L

here

m = mass of ice

L = latent heat of fusion

now we have

m = 45 kg

L = 334 KJ/kg

now by using above formula

Q = 45 * 334 * 10^3

Q = 1.5 * 10^7 J

In KJ we can convert this as

Q = 1.5 * 10^4 kJ

so the correct answer is D option

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2 years ago
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When the current is the same through all of the resistors and the batteries of a circuit, you have resistors in __.
dedylja [7]
I think it is B. I'm not sure though
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2 years ago
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A charge of 12 c passes through an electroplating apparatus in 2. 0 min. what is the average current?
Studentka2010 [4]

A charge of 12 c passes through an electroplating apparatus in 2.0 min, then the average current is 0.1 ampere.

<h3>What is an electric charge?</h3>

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge.

Electric current is defined as the charge per unit of time.

The mathematical relation between current and the electric charge

I =Q/T

where I is the current flowing

Q is the total electric charge

T is the time period for which the current is flowing

As given in the problem A charge of 12 c passes through an electroplating apparatus in 2.0 min

Let us first convert the time period of minutes into seconds

1 min = 60 seconds

2 min = 2*60 seconds

         =120 seconds

By using the above relation between electric current and electric charge

and by substituting the respective values of the charge and the time period

I =Q/T

I = 12c/120 seconds

I = 0.1 Ampere

Thus, the average current flowing through the apparatus would be 0.1 Ampere.

Learn more about an electric charge from here

brainly.com/question/8163163

#SPJ4

5 0
1 year ago
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