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Answers by ThePumpkinMaster

Answers by ThePumpkinMaster
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Many scientists say, “There is no such thing as a closed system in the universe.” For example, even an unopened can of soda is an open system. example explains why an unopened can of soda is an open system?
answered Apr 17, 2018
6 votes
117k views
1. Is an egg being cooked a psychical or chemical change? 2. Is water boiling a physical or chemical change? 3. Is zinc chloride and Hydrogen gas put together a physical or chemical change? 4. Is Sodium
answered Jan 18, 2018
5 votes
190k views
Simplify 11(2x + 3). 11x + 5 22x + 3 22x + 33
answered Jan 14, 2018
5 votes
43.8k views
What caused the rise of the feudal system in Japan? In your answer, explain what a feudal system is.
answered Dec 31, 2017
1 vote
164k views
Identify the mixture of powdered chalk and powdered table salt and suggest a technique for separating their components. 1. homogeneous; dissolving followed by filtration and distillation 2. homogeneous;
answered May 29, 2017
4 votes
182k views
When is the president of the Senate allowed to vote on legislative matters? to end debate on the floor to bring bills to the floor for debate to register the position of the executive branch to break a
answered Jul 15, 2016
2 votes
208k views
How did most people cook and heat their houses in the 1890s
answered Apr 27, 2015
5 votes
158k views
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