Chemistry, 24.10.2021 08:50 rosarioemily580
According to the law of conservation of matter, we know that the total number of atoms does not change in a chemical reaction and thus mass is conserved. The reactant in this model is hydrogen peroxide. Hydrogen peroxide decomposes to produce water and oxygen gas. How many water molecules must be added to complete this model?
Answers: 1
Chemistry, 23.06.2019 13:30
1. what is boyle’s law? • state the definition of the law in words. • what are the assumptions of boyle’s law? • write at least one mathematical equation that represents the law. • what can be calculated with boyle’s law? • using a gas-filled balloon as an example, describe what is happening to the gas molecules inside the balloon before and after you squeeze it.
Answers: 2
Chemistry, 23.06.2019 16:10
What type of reaction is shown below? check all that apply. agno3(aq) + nacl(aq) → nano3(aq) + agcl(s) i synthesis decomposition combustion i single replacement double replacement done
Answers: 2
Chemistry, 23.06.2019 22:30
What is the thermodynamic driving force for dissolving a solid in a liquid if it is an endothermic process (which reduces the entropy of the surroundings)? 1. the combustion of propane. 2. the increase of the entropy of the system. 3. increased temperature of the system and surroundings. 4. the decrease of the entropy of the system. 5. the increase or decrease of the entropy of the system?
Answers: 1
According to the law of conservation of matter, we know that the total number of atoms does not chan...
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