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Laplace law defines that when a reaction is done ,the enthalpy change remains same to the enthalpy change when done in the reverse direction but the change in ebthalpy have opposite signs.
H2 + 1/2 O2 ----> H2O ....dH=-285.1j
H2O -----> H2 + 1/2 O2 .....dH.... +285.1j
The Lavoisier-Laplace law states that the pressure and temperature of a gas in a sealed container are directly proportional when other factors are constant. Hess's law, on the other hand, states that the enthalpy change for a chemical reaction is the same regardless of the number of steps taken to achieve the reaction, making it independent of the pathway.
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How does the rate of temperature change depend on the temperature difference between the two beakers?
The rate of temperature change typically depends on the temperature difference between the two beakers according to Newton's Law of Cooling. The greater the temperature difference, the faster the rate of temperature change between the two beakers.
Why does Ohm's Law hold true only at a constant temperature?
Ohm's Law holds true only at a constant temperature because it assumes a linear relationship between voltage, current, and resistance, which is only valid when temperature remains constant. Changes in temperature can alter the resistance of a material, leading to deviations from Ohm's Law.
What law explains relationships between different chemical compounds that contain only the elements carbon and oxygen?
The law that explains relationships between different chemical compounds containing only carbon and oxygen is the law of multiple proportions. This law states that when elements combine to form more than one compound, the mass ratios of one element to the other will be a simple whole number ratio.
What is the difference between a balanced and unbalanced equation?
A balanced equation has the same number of each type of atom on both sides of the reaction arrow, obeying the law of conservation of mass. An unbalanced equation does not have the same number of atoms on both sides and thus does not accurately represent the chemical reaction.
The relationship between the pressure and volume of gases is given by what law?
The relationship between the pressure and volume of gases is given by Boyle's Law. This law states that at constant temperature, the pressure of a gas is inversely proportional to its volume. In other words, as the volume of a gas decreases, its pressure increases, and vice versa.
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