Download Adventures With Atoms and Molecules: Chemistry Experiments by Robert C. Mebane, Thomas R. Rybolt PDF

By Robert C. Mebane, Thomas R. Rybolt

Chemistry experiments for domestic or college display the houses and behaviour of assorted varieties of atoms and molecules.

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Additional resources for Adventures With Atoms and Molecules: Chemistry Experiments for Young People - Book I

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With a balloon. bottle and put it the hot water. move slower and The in Put a pan this bottle in the The of hot water. they are less cold temperature likely to cap carbonated drinks and then put them them from some the refrigerator should not get as large as the in in it in carbonated drinks. Do losing carbon dioxide gas. 15 in leave the makes the liquid. We the refrigerator to keep 6 A GAS MADE BY MIXING VINEGAR AND BAKING SODA? IS Materials Baking soda A teaspoon Vinegar A measuring cup A balloon An empty soft drink bottle Procedure Place one-half teaspoon of baking soda Add one-quarter cup in the empty soft drink bottle.

Observations Does Is the balloon Wait to each Do you see bubbles of gas the balloon get bigger? until the bottle? up with gas? the balloon stops getting bigger. Set the two bottles next other. of liquid in filling in Look each at the bottle amount of Coke in each bottle. Is the amount about the same? Discussion Coke is a carbonated carbon dioxide molecules Coke are bubbles long as the bottle When of is drink. in it. A carbonated drink is one which has The bubbles you see when you open a carbon dioxide gas that are leaving the not opened the carbon dioxide stays the carbon dioxide molecules are surrounded by water molecules.

Materials Baking soda A meter stick or yardstick Vinegar Two grocery bags A Five pieces of string large plastic pail Procedure A balance can be used measure weights. Make a balance to one shown. Tie a paper bag string in the to each end of a meter stick. Tie another string. you get the bags balanced at the the string along the stick same height from the until floor. You need to make some carbon one cup of the plastic pail with dioxide molecules. Cover the bottom Next pour two cups of of baking soda.

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