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Is turning a penny gold a chemical or physical reaction?
Turning a penny gold is a physical reaction rather than a chemical reaction. This process involves coating the penny with a layer of gold, which changes its appearance but does not alter the chemical composition of the penny itself.
Is dissolution of a copper penny in nitric acid a chemical reaction?
Yes. Dissolution of a copper penny would indeed be a chemical reaction.
Is putting a penny in lemon juice a physical or chemical change?
Putting a penny in lemon juice would cause a chemical change because the lemon juice reacts with the copper in the penny to create copper oxide, which changes the chemical composition of the penny.
Is salt and vinegar removing tarnish from a penny physical or a chemical change?
Removing tarnish from a penny with salt and vinegar is a chemical change. The reaction between the salt, vinegar, and tarnish on the penny results in the formation of new substances that remove the tarnish.
What kind of soda changes the color of a penny?
Coke or sprite will change the color of a penny.
Is turning a penny gold a chemical or physical reaction?
Turning a penny gold is a physical reaction rather than a chemical reaction. This process involves coating the penny with a layer of gold, which changes its appearance but does not alter the chemical composition of the penny itself.
Is dissolution of a copper penny in nitric acid a chemical reaction?
Yes. Dissolution of a copper penny would indeed be a chemical reaction.
Is cleaning a penny with vinegar and salt a physical or chemical change?
Cleaning a penny with vinegar and salt is a chemical change. The vinegar (acetic acid) reacts with the salt (sodium chloride) to form a chemical compound that removes the tarnish on the copper surface of the penny. This reaction changes the composition of the penny's surface, making it appear shiny and clean.
Is putting a penny in lemon juice a physical or chemical change?
Putting a penny in lemon juice would cause a chemical change because the lemon juice reacts with the copper in the penny to create copper oxide, which changes the chemical composition of the penny.
Is salt and vinegar removing tarnish from a penny physical or a chemical change?
Removing tarnish from a penny with salt and vinegar is a chemical change. The reaction between the salt, vinegar, and tarnish on the penny results in the formation of new substances that remove the tarnish.
How is putting ketchup on a penny a chemical reaction?
it's not. tell whoever told you that to go back to pre-school.
Is false or true that a penny is about 3 kg?
False. A penny weighs approximately 2.5 grams, not 3 kg.
Who invented how to clean a penny with vinegar?
The process of using vinegar to clean a penny is a common science experiment that demonstrates the chemical reaction between the acid in vinegar and the tarnish on the surface of the penny. There is no specific person who can be credited with "inventing" this method, as it is a simple and well-known technique in the realm of science education.
What kind of soda changes the color of a penny?
Coke or sprite will change the color of a penny.
Why does a penny turn green in water?
A penny turns green in water due to a chemical reaction between the copper in the penny and the oxygen in the water. This reaction forms a layer of copper oxide on the surface of the penny, giving it a greenish tint.
What is the Reaction when penny mix with carbonated beverages?
most people would say it will clean the penny or desolve it but it's totaly false I've tryed it many times and it's never worked so it basikly won't do anything but give you a sticky penny
What causes vinegar to rust a penny?
Pennies are made of zinc plated with copper. Copper reacts with oxygen and water to form copper oxide. This is the tarnish you see on pennies that have been in damp conditions. The only U.S. coins that can truly rust are the 1943 zinc coated steel cents.
