Chemistry

Which contains more atoms; 1mol H2O2, 1mol C2H6, or 1mol CO?
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What material would be safest to use as an insulator to cover electrical wires?A:Rubber B:TinC:Water D:Aluminum
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What does pollution mainly come from
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please help me out with this question! dont attach any files
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what element has 5 protons, 7 electrons, and 6 neutrons
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does the mercury not have fixed shape and volume at 20 degree
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Balance the following chemical equation:C2H60+02 CO2 + H2O
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Calculate the answer. Express it in scientific notation. All answers should have the correct number of significant figures.(1.632) (4.0 x 104) =
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How do i describe endothermic and exothermic changes in matter?
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What happened during the fusion reaction shown? 2H 4He neutron O A. Two H nuclei fused into one He nucleus. O B. One He nucleus split into two H nuclei. O C. The nuclei that fused lost all their neutrons. D. The nuclei that fused lost some of their protons.
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How much energy is used to heat 250 g of ice from 15C to steam at 105C? (Hint: 5 steps, all positive)
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Examine the structure of glucose and galactose which oh group determines that they both are the d isomers
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7. Given the balanced equation:As a sample of I2(s) sublimes to I2(g), the entropy of the sample
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what happens when a species is moved from its natural environment?
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Overflow during a heavy rainstorm from a wastewater treatment plant would result inA. polluted runoff into nearby ponds.B. flooding in the local aquifer.C. weakened housing foundations.D. over-treated drinking water.
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Plz help me I am timed!!
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Magnetic poles are called domains.TrueFalse
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state ay three ways of increasing solubility
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If you have 12 atoms of hydrogen before a chemical reaction, how many atoms of hydrogen will be present after the chemical reaction?
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Ozone is three oxygen atoms bonded together. It can sometimes be smelled in the air after a thunderstorm. the smell is a result of
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Which statement describes sunspots? A.Sunspots have a bright white appearance. B.Sunspots occur in the radiative zone of the sun. C.Sunspots occur in areas of extremely low magnetic fields. D.Sunspots have lower temperatures than their surroundings.
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The oxidation state/number for X in XO3- is:
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The correct name for HIO2?
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