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Why is pi called a mathimatical constant?

Pi represents a number that cannot be changed, therefore its value is constant.


A symbol that represents a number?

is called a variable or a literal constant, or informally an unknown.


What is the heck is pi and who invented it?

pi is a transcendental number which represents the constant ratio between the circumference of a circle and its diameter. It is a universal constant and nobody invented it.


What is the exact value of the Avogadro constant in standard form?

The Avogadro constant is approximately 6.022 x 1023, which represents the number of atoms or molecules in one mole of a substance.


Each element has its own characteristic atom in which a. the atomic weight is constant b. the atomic number is constant c. the mass number is constant?

b. the atomic number is constant. The mass number is not constant because there are isotopes of an element that have the same number of protons but different number of neutrons. Likewise, there are isotopes of the same element with different atomic weights.


What does PVnRT stand for?

Those are the letters that appear in the ideal gas law. The equal sign is missing. The individual letters stand for Pressure, Volume, Number of moles, a proportionality constant, and Temperature.


What is Propagation constant?

The propagation constant represents the rate at which an electromagnetic wave travels in a medium. It is a complex number that includes both the phase shift and attenuation of the wave as it propagates through the medium. The real part of the propagation constant indicates the phase change, while the imaginary part represents the attenuation of the signal.


What is Avogrado's constant?

*Avogadro's Constant is 6 x 10^23, representing the number of particles (ie. atoms/ions/molecules) in one mole of any substance :)


As pressure increase what does volume do?

since PV=nRT and we assume that the number of moles and temperature remains constant, we can assume that PV=R as R the gas constant will not change, if pressure is increased, then volume must decrease to counteract the change in pressure


What is an expression of Avogadro's law (kconstant)?

An expression of Avogadro's law is V1/n1 = V2/n2, where V represents volume and n represents the number of moles of a gas. This law states that at constant temperature and pressure, the volume of a gas is directly proportional to the number of moles of the gas.


Is a mole of an ionic compound contain Avogadro's number?

Yes, a mole of an ionic compound contains Avogadro's number of formula units. Avogadro's number is a constant that represents the number of entities (atoms, ions, molecules) in one mole of a substance.


What is the algebraic expression that represents the sum of 10 and 3 times a number x?

The algebraic expression that represents the sum of 10 and 3 times a number x is 10 + 3x. This expression can be simplified by multiplying 3 with x to get 3x, and then adding 10 to it. In this expression, 3x represents three times the value of x, and 10 represents a constant value added to the product of 3 and x.