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kipiarov [429]
2 years ago
6

A student measured the specific heat of water to be 4.29 J/gC. The literature value of the specific heat of water is 4.18J/gC. H

ey What was the students percent error?
Chemistry
1 answer:
natita [175]2 years ago
6 0

Answer:

2.44 %

Explanation:

Given that,

The calculated value of specific heat of water to be 4.29 J/g°C

The actual value of the specific heat of water is 4.18J/g°C

We need to find the percentage error of the student

\text{Percentage error}=\dfrac{|\text{actual value-calculated value}|}{\text{actual value}}\times 100\\\\\%=\dfrac{4.18-4.29}{4.49}\times 100\\\\\%=2.44

Hence, the student's percent error is 2.44 %.

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The density of liquid Z is 0.9237 g/mL. A student masses a cup
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Answer:

37.65mL

Explanation:

Given parameters:

density of liquid  Z = 0.9237g/mL

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Solution:

 Density is the mass per unit volume of a substance. It is mathematically expressed as shown below:

    Density = \frac{mass}{volume}

To find the volume of liquid Z, we know the density of the liquid but we dont know the mass yet.

Mass of liquidZ = 50.7g - mass of cup = 50.7g - 15.92g = 34.98g

Therefore:

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Titanium metal requires a photon with a minimum energy of 6.94×10⁻¹⁹J to emit electrons. What is the wavelength of this light? E
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Answer:2.86x10^-7m

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If the kinetic energy of a particle is equal to twice its rest mass, what is the velocity of the particle? Determine if relativi
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Answer:

The velocity of the particle is 2 m/s,

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Kinetic energy is defined as energy of the body due to its motion. It is given by :

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