The cell in the corner had a chloroplast and a nucleus
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Chemistry, 21.06.2019 22:50, rndschopplein
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 01:30, Slycooper5959
Idon't really understand this can you me and show your work.βΊβΊ[ chemistry b] subject [ electron transfer in lonic bonds]grade( 12)
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Chemistry, 22.06.2019 14:30, CoolRahim9090
Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
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Chemistry, 23.06.2019 03:00, rayne40
The size (radius) of an oxygen molecule is about 2.0 Γ10β10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas behavior at ordinary temperatures (t= 300k ). assume that deviatons would be noticeable when volume of the gas per molecule equals the volume of the molecule itself.
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Mathematics, 31.01.2020 14:43
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