0
A solid substance with a mass of 200 grams is at its melting point temperature in a calorimeter While the substance changes from a solid to a liquid at the same temperature the 400-gram mass of water?
Wiki User
∙ 12y ago
(4.184 J/g*degC)(400g)(40.0*degC-80.0*degC)+(200g)
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What changes during melting?
The substance absorbs the heat of fusion. The temperature does not go up, but the form of the substance changes.
Is bromine a substance?
Yes it is a substance. A brown liquid that changes to a brown gas at less than room temperature.. It i similar to chlorine.
What is the normal melting point?
It is the temperature at which a substance, under normal atmospheric pressure changes from the solid phase to the liquid phase.
The temperature of a sample of a substance changes from 10 degree celsius to 20 degree celsius by how many kelvins does the temperature change?
changes 10 degrees C and 283 degrees K if im not mistaken which im bound to be not sure of the esential #
What is the degrees of the melting point?
Every substance has a different melting point, which means that each substance changes from solid to liquid at a different temperature called the melting point of that substance. The nmelting point of water is 0 degrees celsius.
Can Energy be measured directly with a calorimeter?
Yes energy can be measured directly with a calorimeter. The calorimeter will measure the temperature as it changes in a reaction.
What is a will insulated container used to measure temperature changes?
calorimeter
What is a calorimeter and why is it useful in scientific research?
A calorimeter comes in different forms, but it is a device that allows you to contain a substance and burn it. The released energy from the compound is then released within the calorimeter, and through changes in temperature of the calorimeter and water that usually surrounds the substance, scientists can calculate the joules of energy released by the substance which will be near equivalent except for lost energy to the total energy contained within a substance. This is how you get calorie measurements in the food you eat. A sample calorimetry test is done and applied to all the same type of food.
When a substance changes state what happens to its thermal energy?
Changes the temperature of the substance
What substance is the temperature at which it changes from a solid to a liiquid?
The temperature at which a solid changes to a liquid is the melting point.
Why the brass need to be immersed in the boiling water before place it in the calorimeter?
The brass needs to be immersed in the boiling water for a sufficient enough time that its temperature is the same as the boiling water, 100 degrees Celsius. That will be the initial temperature of the brass. After it is quickly placed in the calorimeter which will contain much cooler water, causing the brass to cool down and the water to heat up until the point where the temperature no longer changes. At that point the temperature of the brass is the same temperature as the water in the calorimeter, which is its final temperature of the brass.
What changes during melting?
The substance absorbs the heat of fusion. The temperature does not go up, but the form of the substance changes.
What is the temperature called at which a substance changes from a solid to a liquid?
It is the melting point of the substance.
What happens to a temperature of a substance while a changing of state occurs?
As a substance changes state, the temperature remains constant.
What properties of a substance does not change when the amount of the substance changes 1 mass 2 volume 3 temperature?
temperature
What is the temperature at which a solid changes to a liquid is its what point?
The temperature at which a pure solid changes to a liquid is the substance's melting point.
When a substance changes from one state of matter to another it is call?
When a substance changes from one state of matter to another it is called changing its state. Temperature changes are usually the main cause of this change.
