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When a piece of copper is heated in presence of air its weight?
When a piece of copper is heated in the presence of air, it can react with oxygen to form copper oxide. This can result in an increase in weight due to the addition of oxygen atoms from the air to the copper atoms.
Does burning copper in a naked flame increase its weight?
Copper doesn't burn in a naked flame, but will simply turn black. This is due to its reaction with the oxygen in the air forming black copper (II) oxide CuO. Therefore, as the copper has now reacted with oxygen it will weigh more than it did.
Does a person weight increase or decrease if they were to weight themselves on the moon?
It decreases
Why the size increase and weight decrease?
as you grow, your body evenly distributes the weight throughout your body
When an object is put in the water do the object increase or decrease its weight?
yes it do
Do earthly objects decrease in size on planets with greater gravity?
No. They increase in weight.
Why fibers are used in concrete?
to increase the strength of the material and decrease the weight of the material
Will the period of vibrating swing increase decrease or remain constant by addition of more weight?
the period of vibrating swing neither increase nor decrease by addition of more weight . it remains constant because it does not depends upon weight.
When you go deeper into the earth does it increase decrease or stay the same?
What do you mean increase, decrease, or stay the same? Do you mean the temperature?
Why is copper a much denser material than oxygen?
Copper has a higher atomic weight and a greater number of protons and neutrons in its nucleus compared to oxygen, making it denser. Additionally, the atomic arrangement in copper is more tightly packed than in oxygen, contributing to its higher density.
Does magnesium's weight increase when it is burnt?
If it is burnt with a gas such as oxygen then yes
If standing on a scale and you lift one foot will your weight increase?
sometimes it will do either. If you are leaning then yes it will increase, but if you stand still it will decrease!
