When a chemical reaction occurs,
O a phase change takes place
O the physical and chemica...
When a chemical reaction occurs,
O a phase change takes place
O the physical and chemical properties of the products are different from the reactants
O the physical and chemical properties of the reactants are the same as the properties of the products
O the compounds can be separated by physical means
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Chemistry, 22.06.2019 13:00
Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?
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Why is any chemical reaction always balanced? give reasons and explain the easiest way to solve the balancing problems in chemical equations with stoichiometric coefficients upto 20 as hit and trial doesn't always work. give full reasoning
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What are the coefficients to balance the following equation? ba+br2=babr2
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Chemistry, 23.06.2019 13:00
If volume remains the same while the mass of a substance the density of the substance
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