Chemistry, 23.10.2020 15:20 TabbyKun00
You are asked to study the effect of temperature on a balloon. You design an experiment where you put some room temperature balloons into liquid nitrogen (a very cold substance). (a) What observations do you notice when you put the balloons into the cold liquid nitrogen? (b) What is the independent variable? (c) The dependent variable? (d) What could you hold constant to better observe the change? (e) What would be a good example of a control you could setup to make sure another variable isn't messing up your observations?
Answers: 3
Chemistry, 22.06.2019 10:00
Why is the structure of molecule important to its function?
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Chemistry, 22.06.2019 18:30
You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas
Answers: 1
You are asked to study the effect of temperature on a balloon. You design an experiment where you pu...
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