What tendency is the standard reduction potential of an element based on?

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Answer 1
Answer: The tendency of the standard reduction potential of an element is to be reduced and is based on the measurement of volts at standard conditions. The more positive the standard potential of an element, the more it is reduced

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The factor that affects how easily an electron can be removed from an atom is the.

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Atomic radius aka distance from the nucleus to the outermost energy level. The greater this distance, the less electrostatic attraction between these oppositely charged particles.

It has been proposed that North America is moving west at about 2 cm per year. How many kilometers would it move in 5,000 years? (Note: 2 cm is a measurement so your final answer should have significant figure rules applied.)

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Answer: 0.1 km

Explanation:

1) Multiply the rate (speed) by the time: 2 cm / year × 5,000 year = 10,000 cm

2) Convert cm to km, using these well know conversion factors:

1 km = 1,000 m

1 m = 100 cm

⇒ 10,000 cm × [1 m / 100 cm] × [1 km / 1,000 m] = 0.1 km

Well it would move 10,000cm so converting that into km would be it would move 0.1km 

What would the pressure be if the can were heated to 1270∘C?

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According to Gay -Lussac's law, the pressure of the can if it is heated to 1270°C is 4295.53 mm Hg.

What is  the Gay-Lussac's law?

It is defined as a gas law which states that the pressure which is exerted by the gas directly varies with its temperature and at a constant volume.The law was proposed by Joseph Gay-Lussac in the year 1808.

The pressure of the gas at constant volume reduces constantly as it is cooled till it undergoes condensation .If a graph of pressure versus temperature is plotted it is a straight line which passes through the origin .

The equation is given as, P₁/T₁=P₂/T₂

On substitution of values as ,P₁=760 mm Hg,T₁=273 K,T₂=1543 K

P₂=1543×760/273=4295.53 mm Hg.

Thus, the pressure of gas is 4295.53 mm Hg if it is heated up to 1270°C.

Learn more about Gay-Lussac's  law,here:

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P1/T1=P2/T2
760/303=P2/1428 
P2= 760*1428/303
P2=3,582mmHg

Which question would be scientifically reasonable for a student to ask about the layers of the Earth? A. Why does the temperature decrease as you move from the crust to the core?
B. Why does density increase as you move from the crust to the core?
C. Why does density decrease as you move from the crust to the core?
D. Why is the inner core liquid iron and the outer core solid iron?

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Answer:

The answer is C

Explanation:

This is the metric unit for measuring volume

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Cubic metre is the metric unit for measuring volume. The cubic centimetre has a particular nomenclature called a millilitre.

The 3-dimensional space that is occupied by matter or surrounded by a surface is measured in volume, which is expressed in cubic units. A derived unit called the cubic metre serves as the SI unit of volume.

A unique designation for the cubic decimeter is the litre. To reduce the chance of confusion between the lowercase letter "ell" (l) and the number one (1), the symbol for the litre is an uppercase letter "ell". The litre cannot be represented by the script letter l (l).

To learn more about metric unit , click here.

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What is the volume of a tank of nitrogen if it contains 17 moles of nitrogen at 34 C under 12,000 Pa?

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Answer: 3571 L

Explanation:

According to the ideal gas equation:'

PV=nRT

P = Pressure of the gas = 12000 Pa = 0.12 atm    1Pa=9.9* 10^(-6)atm

V= Volume of the gas = volume of tank = ?

T= Temperature of the gas = 34°C = 307 K    0^0C=273K  

R= Gas constant = 0.0821 atmL/K mol

n=  moles of gas= 17

V=(nRT)/(P)=(17* 0.0821* 307)/(0.12)=3571 L

Therefore Volume of tank is 3571 Liters.