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Questions in chemistry
📝 Answered - What are the components of clean air?
📝 Answered - What reactions are involved in making plastic bags, and what are the molecules that make up a plastic bag like?
📝 Answered - What two particles account for almost all of the mass of an atom?
📝 Answered - How many liters of a 4M solution can be made using 100 grams of lithium bromide?
📝 Answered - A golf ball and a bowling ball are moving and both have the same kinetic energy. Which one is moving faster? If they move at the same speed, which one has more kinetic energy?
📝 Answered - How do you decide whether an observed property of matter is a physical or a chemical property?
📝 Answered - How does one recognize the highest occupied energy level?
📝 Answered - A solution is either an acid or a base and it doesn't react with metal. Is its pH more likely to be 4 or 9? Explain your answer.
📝 Answered - Do all substances have the same melting point and boiling point as water? (Consider using the particle theory to answer this question.)
📝 Answered - Does it react with air? Is this a physical or chemical property?
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