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• a gas sample enclosed in a rigid metal container at room temperature (20.0 ?c ) has an absolute pressure p1 . the container is immersed in hot water until it warms to 40.0 ?c . what is the new absolute pressure p2 ? express your answer in terms of p1 .
  
• which is a characteristic of the polar water molecule?a tetrahedral electron domain geometry with covalently bonded atomsa tetrahedral electron domain geometry with ionically bonded atomsa linear shape with polar covalent bondsa linear shape with polar ionic bonds
  
• how were the rebellions in poland and hungary different? check all that apply. the hungarian rebellion was successful, but the polish one was crushed by the soviets. hungary demanded political reforms, but poland wanted economic ones. hungary won concessions from the soviets, but poland did not. hungary failed to win reforms, but poland won some economic concessions. khrushchev supported the hungarian rebellion, but he opposed the polish one.
  
• according to christaller’s central place model, which of the following would most likely have the smallest range?
  
• a convex, $11$-sided polygon can have at most how many obtuse interior angles? note: convex means that each interior angle measure is less than $180^\circ$.
  
• to which office in the federal government would the national rifle association submit its brief in support of super pacs in citizens united v. federal election commission?
  
• public schools’ revenue comes mainly from local and federal funding. state and local funding. federal and state funding. state funding.
  
• which part of the electromagnetic spectrum is necessary for the sense of sight in humans? radio waves gamma rays infrared light visible light
  
• given: ab = 12 ac = 6 prove: c is the midpoint of ab. proof: we are given that ab = 12 and ac = 6. applying the segment addition property, we get ac + cb = ab. applying the substitution property, we get 6 + cb = 12. the subtraction property can be used to find cb = 6. the symmetric property shows that 6 = ac. since cb = 6 and 6 = ac, ac = cb by the property. so, ac ≅ cb by the definition of congruent segments. finally, c is the midpoint of ab because it divides ab into two congruent segments.
  
• the arctic tundra is located in the northern hemisphere. please select the best answer from the choices provided t f