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Which is the most viscous substance on earth?
Pitch, a derivative of petroleum, is considered the most viscous substance on earth. It has a viscosity of billions of times that of water at room temperature.
What happens to the melting point temperature as pressure increases?
Corrected:In water, there is a small DEcrease in melting temperature of ice, as pressure increases.Added:In 'Related links' attached to this page (lower left corner) a diagram-picture of"Melting point: Temperature and Pressure" is shown asGreen line for most 'normal' solidsand ofWater-Ice: it is the Green-Dotted line.
What state of matter will this substance be in at temperature of 28 Celsius and a pressure of 0.7 ATM?
At 28°C and 0.7 ATM, the substance will most likely be in the gaseous state as it is above the boiling point of most substances at that pressure.
What substance below requires the most energy to raise its temperature by 7 degrees C?
water
Are properties affected by changes in temperature and and pressure?
Yes, properties of substances such as volume, density, and solubility can be affected by changes in temperature and pressure. For example, as temperature increases, most substances tend to expand, and as pressure increases, the volume of gases tends to decrease.
What is the only way the density of a pure substance can change?
The density of a pure substance can change by altering its temperature. As temperature increases, most substances expand and therefore decrease in density, whereas as temperature decreases, most substances contract and increase in density.
What happens when the temperature of a substance decreases significantly A. Most substances will expand. B. Most substances will gain atoms. C. Most substances will contract. D. Most substances will d?
C. Most substances will contract. When the temperature of a substance decreases significantly, its particles lose kinetic energy, causing them to move closer together. This results in a decrease in volume, known as contraction.
Why do the densities of most substances decrease with an increase in temperature?
This happens because the mass of the rod stays the same, but its volume increases. The increase in the volume of matter withincreasing temperature is called expansion. When cooled down, mostmatter decreases in volume and increases in density.
What is the density of a substance determine?
It seems that the phrase you are looking for is "physical property". Density depends on several factors, such as: is the substance a solid, liquid or gas (the same substance will have vastly different densities at different states, but density is still a physical property of that substance); what temperature is it being measured at (most substances expand and become slightly less dense when heated); among others.
What is the density of this substance?
It seems that the phrase you are looking for is "physical property". Density depends on several factors, such as: is the substance a solid, liquid or gas (the same substance will have vastly different densities at different states, but density is still a physical property of that substance); what temperature is it being measured at (most substances expand and become slightly less dense when heated); among others.
How are the density and temperature of a related?
Density and temperature are inversely related in most substances, particularly gases. As the temperature of a substance increases, its molecules move more vigorously, causing the substance to expand and its density to decrease. Conversely, when the temperature decreases, the molecules slow down, leading to contraction and an increase in density. This relationship is essential in understanding various physical processes, such as buoyancy and heat transfer.
What happen to volume of substance when placed say in a freezer?
A number of factors have to be considered, the state of the substance, solid, gas or liquid. The condensation and freezing point of the substance. The temperature inside the freezer. The pressure Most, but not all, substances reduce in volume and increase in density when cooled. Water for instance, reduces in density when frozen.
Which of the folling is the most reasonable explanation for a drop in temperature of a gas?
A decrease in pressure, a decrease in volume, or a transfer of thermal energy to the surroundings can all result in a drop in temperature of a gas.
What is the Kelvin temperature of a substance directly proportional to?
There is no simple answer to how temperature is defined at the microscopic level. However, though this is not entirely accurate, it helps to think of temperature as the average kinetic energy of the particles.
If 2 pure substances have the same density are they same substance?
Not necessarily. Two pure substances can have the same density but still be different substances. Density is an intensive property that is dependent on the substance's mass and volume, not its chemical composition.
How will the density change if the temperature increased to 125?
If the temperature increased to 125 degrees Celsius, the density of most substances would decrease. This is because as temperature goes up, the particles in the substance gain more kinetic energy and move farther apart, decreasing the density.
What is determined by the number of particles of a substance in a solution?
Heat is the speed of the particles the higher the speed the higher the heat. Density or state of matter is the distance between the particles the closer the particles the higher the density, the density of the particles determines the state of matter here they are from most dense to least dense; Solid, Liquid, Gas, and Plasma. the temperature (heat) of a substance can also determine the state of matter a substance is with higher heat at lower densities. PS the density/state list does not apply to water. PS Quantum state is not currently an official state yet, it would be the most dense and at the lowest temperature.
