Chemistry

A high viscosity liquid will
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what is mass tbh pls he;p
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what substance changes directly solid to gas3 examples
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describe an experiment that would show that intramolecular forces (attractions between atoms within molecules) are stronger than intermolecular forces (attractions between molecules).
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How many molecules are there in an ideal gas with a volume of 7.27 L at STP?number of molecules:
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Which phenomena does wind cause?A)tides and wavesB)deep currents and tidesC)waves and surface currentsD)surface currents and deep currentsHELP PLEASE ILL GIVE OUT BRAINLIEST
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1. 4Na + 02 2Na20find the reaction
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The bacteria are known to be prokaryotes. Prokaryote meansAorganisms whose cells have no nucleusBorganisms who are made of many cellsCorganisms who make their own foodDorganisms whose cells have a nucleus
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When drawing an atom, we draw the same number of electrons asprotonsSelect one:TrueFalse
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In lab a student is asked to mix solutions of copper (II) sulfate and potassium phosphate. Thestudent wants to produce exactly 3.75 grams of precipitate. Based on the desired outcomedetermine the volume of 1.25M copper (Il) sulfate and 0.75 M potassium phosphate required.
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Can someone give me an example of a Hypothesis?
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Pls help I will give u points pls
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A candle is placed between a concave mirror and its focal point.Which two of the following best describe the image?O A. EnlargedB. VirtualC. ReducedD. Real
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The modern-day quantum model of the atom is better than John Daltons model because itA. has set electron orbits.B. has positive and negative particles in the nucleus.C. can be represented in one dimension.D. answers many questions about atoms.
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Someone please help with number 9.
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A student mixes 20.0gof white KCl crystals with distilled water in a beaker. After the mixture was stirred, no crystals are visible and the solution is clear. After several days, all of the water evaporates and white crystals are found in the beaker. Which of following pieces of experimental evidence would best help the student to confirm that a new compound had not been made and that only a physical change occurred?a- The solution does not change color after stirring.b- The KCl crystals are no longer visible after mixing with water.c- There is a temperature change in the solution during the dissolving process.d- After the water has evaporated, the white crystals in the beaker have a mass of 20.0g
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Which statement correctly describes the relationship between molecular structure, the strength of electrostatic forces betweenmolecules, and the boiling point of a substance? (1 point)The boiling point of a substance affects the strength of electrostatic forces, which can affect the molecularstructureThe boiling point of a substance affects its molecular structure, which can affect the the strength ofelectrostatic forces.Molecular structure affects the strength of electrostatic forces, which can affect the boiling point of asubstanceStronger electrostatic forces cause a stronger molecular structure and lower boiling points
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If the vapor pressure of water at 20.0 o C is 17.535 torr, and the atmospheric pressure measured by a barometer was 757.3 torr, what is the partial pressure of H2 in the gas mixture in a buret
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1: How can you divide Pepper & Sand to make a solution?
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Can someone help please
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The most recent model of an atom is the_____.Points: 67
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Please answer!!No links.Picture is included!
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why brain remembers picture better than words?
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A reaction that had two compounds as reactants and two compounds as products is most likely a
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