Chemistry, 07.03.2021 14:00 angelalovelis
Guys I need ur help I might as well just ask ur smarties for help ahah n yup I’ll be brainlisting;) 1) What have been the wider effect on the community of nuclear accidents? (Chernobyl)
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Chemistry, 21.06.2019 22:10
Which form of relativism states that people rely on their own standards of right and wrong when making a decision?
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Chemistry, 21.06.2019 22:50
Achemical reaction (also known as a chemical change) produces substances that are chemically different from the starting materials. an example of a chemical reaction is the formation of water from hydrogen and oxygen gas.in a physical change, a substance changes its physical appearance but not its chemical identity. an example of physical change is the formation of liquid water from solid water, a familiar process called melting. physically, liquid water looks very different from solid water (ice) but the chemical identity, water, is the same for both. which of following changes that affect the composition of our atmosphere involve physical changes and which involve chemical reactions? oxygen gas changes to ozone during thunderstorms carbon dioxide is produced by the combustion of gasoline in an automobile engine. when coal, oil, and natural gas are decomposed in landsills they produce methane gas. freezing rain develops when a warm air mass overrides a cold air mass. fog forms from water vapor when the temperature drops below the dew point
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Chemistry, 22.06.2019 12:30
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
Guys I need ur help I might as well just ask ur smarties for help ahah n yup I’ll be brainlisting;)...
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