Chemistry Questions

Which best explains why blood is considered to be a suspension?A)It has nutrients that cannot be dissolvedb)It contains particles that can settle out.C)It has nutrients that are dissolved in its liquid portion.D)It contains particles that mix on a molecular level.
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43 Which temperature change indicates an increase in the average kinetic energy of the molecules in a sample?(1) 15°C to 298 K (3) 305 K to 0°C(2) 37°C to 273 K (4) 355 K to 25°C
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Is Jacinth non silicate or silicate?
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Hanna hypothesizes that granite is denser than sandstone. How can Hanna test her hypothesis?
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Need help with this equation! Can anybody lay out an answer please?Use this equation; 4Fe + 3O2 -> 2Fe2O3.If 96.0 grams of oxygen react, what mass of iron was oxidized? A.) 32.0 g B.) 96.0 g C.) 167 g D.) 223 gThanks!
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The atomic mass unit (amu) isa. the mass of a single atom of carbonb. one millionth of a gramc. approximately the mass of a protond. approximately the mass of an electron
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Gases and liquids will both expand to fill their container true or faulse
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Molecular bonding cannot occur without..electrons, sunlight, protons, or neutrons?
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A chemical reaction has two elements as reactants. Which type of reaction might occur?
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How are evaporation and condensation alike
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How are mixtures compounds and elements alike?
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How does biodiversity help sustain a population in an area
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Can show some work for 4x = -12
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How does a graph with no trend differ from a graph with anomalous data points
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What are the subatomic particles of barium
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What element is added to toothpaste and city water systems to help tooth decay?
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If you were asked to convert 25 kg to the unit mg, which of the following would be the first fraction used in the conversion?
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What happens to the molecules in a gas when it condenses?
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