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Starting a titration exactly at the zero mark can introduce parallax error due to the angle at which the measurement is read. By starting slightly below or above the zero mark, you can ensure better accuracy in your measurements by being able to clearly see the change in color or other indicators.
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Is the equivalence point of a titration always zero?
No, the equivalence point of a titration is not always zero. The equivalence point is the point in a titration where the amount of titrant added is stoichiometrically equivalent to the amount of analyte present in the sample, leading to a neutralization reaction. The pH at the equivalence point depends on the nature of the reaction and the strengths of the acid and base involved.
When is the mass of an electron regarded as zero?
The mass of an electron is regarded as zero when it is at rest. The mass of an electron or any particle is calculated by using its momentum and its energy. The mass of an electron is related to its momentum which is zero when the electron is not moving. So when the electron is at rest its momentum is zero and thus its mass is zero. When an electron is moving its mass is no longer zero as its momentum is not zero. It is calculated by using the following equation: Mass = Energy / (Speed of Light)2The mass of an electron increases as its energy increases and it increases even more when it is moving at a higher speed. So when the electron is at rest and its momentum is zero its mass is also zero.
What is the change in oxidation number for the iodide ion in redox titration?
Reductant Iodide (I-) can be oxidised to other (more postive) oxidation numders by loosing electrons to the oxidant. Depending on the oxidant's strength this can change to the following numbers: 0 (zero) in I2 , and +1, +2, +3, +4 (in hypoiodite IO-, iodite IO2-, iodate IO3-, periodate IO4- respectively)
What value should theoretically be obtained for the intercept on a graph of mass vs volume HINT The intercept corresponds to zero mass and zero volume?
The intercept on a graph of mass vs. volume should be zero, as this point represents zero mass and zero volume. This makes sense because with no mass and no volume, there should be no measurements of mass either.
Which liquid has zero viscosity?
Superfluid helium is an example of a liquid with zero viscosity at temperatures close to absolute zero. This unique property allows it to flow without any resistance.
How are all paths that have a displacement of zero similar?
They all finish exactly where they start.
Why is it not necessary to adjust initial reading to the zero calibration mark when using burette?
When using a burette, the initial reading does not need to be adjusted to the zero calibration mark because the measurement is based on the change in volume from the starting point to the endpoint of the titration. The burette is designed to provide precise measurements of liquid dispensed, regardless of the initial reading, as long as the final reading is taken accurately. This allows for consistent and reliable results without the need for recalibration at the start.
Is the equivalence point of a titration always zero?
No, the equivalence point of a titration is not always zero. The equivalence point is the point in a titration where the amount of titrant added is stoichiometrically equivalent to the amount of analyte present in the sample, leading to a neutralization reaction. The pH at the equivalence point depends on the nature of the reaction and the strengths of the acid and base involved.
What is the zero reading of a vernier caliper?
The zero reading of a vernier caliper is when the jaws are closed and the main scale '0' mark aligns perfectly with the zero mark on the vernier scale. This is the reference point for taking measurements with the vernier caliper.
What is advantage of taking the lowest mark on the main scale as the zero mark over the centere- zero?
The advantage of taking the lowest mark on the main scale as the zero mark over the centre-zero is that it covers for all the errors that may happen.
What is the advantage of taking the lowest mark on the main scale as the zero mark over the center-zero?
The advantage of taking the lowest mark on the main scale as the zero mark over the centre-zero is that it covers for all the errors that may happen.
How many points for a win in darts?
zero! The goal is to reach exactly zero points to finish the game. You will start at 501 points and count down. Be faster than your opponent!
What is the french word for zero?
The French word for zero is zero, with an accent mark on the 'e'.
What actors and actresses appeared in The Mark of Zero - 1967?
The cast of The Mark of Zero - 1967 includes: Frank Buxton Len Maxwell
What resistance does a superconductor have?
An ideal superconductor has exactly zero losses, thus resistance is zero.
What is the population of sparrows in India?
exactly 0(zero)....
When two vectors sum to zero how are they related?
Their magnitudes are exactly equal, and their directions are exactly opposite.
