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Why do you think that a jar will break when it is taken out from a fridge and boiling water is poured onto it?
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What should be done with any unused or used chemical once it has been taken from the original container?
An unused portion of a chemical taken out of its container should be properly disposed of. The original container has identification information and warnings. Chemical that been poured out may become contaminated so should not be poured back.
Does the volume of water affect the time taken for the water to reach it's boiling point Why?
No
What do you notice about its temperature during boiling?
When a liquid is boiling the temperature stays constant. This is because the heat energy you are adding is being taken away with the vapour being produced.
When a liquid sample is taken from sea level to a higher elevation what happens to the external pressure on the liquid and the boiling point of the liquid?
atmospheric pressure is lower and the boiling point is less
How does pure water increase the boiling point?
Pure water does not increase - or in any other way affect - the boiling teperature of water becasue the latter is normally taken to be that for pure water!The question does not make sense. What type of water is it whose boiling temperature is meant to be increased by pure water? Impure water?In any case, pure water does not increase the boiling point of water but lowers it.
What might happened to the thermometer if you put in boiling water after taken out of freezer?
There will be a sudden change in temperature and it is likely that the thermometer may even break.
How a normal kettle works?
A normal kettle is a semi-closed metal container (with lid and spout) of water. When placed on a flame, the water inside the kettle heats up until it reaches boiling point. It is then ready to be taken off the flame and the boiling water poured into a teapot, or some other beverage, etc.
Where does the energy come from which makes the pipes at the back of a fridge warm?
The energy comes from the heat taken from the heat/energy inside of the refrigerator/fridge. A fridge takes heat energy from inside the fridge and dumps it outside the fridge into the the pipes on the back of the fridge and into the room.
Is the amount of heat taken from the contents of refrigerator greater than it gives out?
Due to the laws of thermodynamics, the heat produced (at the back of a fridge) is invariably greater than the amount of heat taken away (inside the fridge).
How could you see a bottle taken from the fridge show that there is water vapour?
clouds
How does he amount of energy change during boiling?
During boiling the temperatre of the boiling liquid does not go up. The energy input into the boiling liquid is taken away as the latent heat of evaporation by the escaping gaseous phase.
What process of going from a gas to a liquid?
When something changes state from a liquid to a gas, evaporation or boiling has taken place. The difference might be that in evaporation, atoms or molecules of the substance "break free" of the liquid and become a gas. In boiling, there is enough heat present that the change is rapid.
Why does ice cubes sticky when they are taken out from fridge?
Why do ice cubes become sticky when they are taken out from the fridge? Well, the ice melts and turns into liquid water which has a higher attraction towards other substances due to higher quantities of correctly arranged electrons (which attract).
What should be done with any used it unused chemical once it has been taken from the original container?
An unused portion of a chemical taken out of its container should be properly disposed of. The original container has identification information and warnings. Chemical that been poured out may become contaminated so should not be poured back.
What should be done with any unused or used chemical once it has been taken from the original container?
An unused portion of a chemical taken out of its container should be properly disposed of. The original container has identification information and warnings. Chemical that been poured out may become contaminated so should not be poured back.
What is the internet refrigerator used for?
as items are taken out the fridge monitors the bar codes and creates a shopping list.
Does the volume of water affect the time taken for the water to reach it's boiling point Why?
No
