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• calculate δgrxn for this equation, rounding your answer to the nearest whole number. caco3(s) → cao(s) + co2(g) δgf,caco3 = −1,128.76 kj/mol δgf,cao = −604.17 kj/mol δgf,co2 = −394.4 kj/mol δgrxn = kj
  
• kara is building a sandbox shaped like a kite for her nephew. the top two sides of the sandbox are 29 inches long. the bottom two sides are 25 inches long. the diagonal db has a length of 40 inches. what is the length of the diagonal ac?
  
• assume that sweeten company uses cost-plus pricing (and a markup percentage of 80% of total manufacturing cost) to establish selling prices for all of its jobs. if job p includes 20 units and job q includes 30 units, what selling price would the company establish for jobs p and q? what are the selling prices for both jobs when stated on a per unit basis?
  
• i had shut the door to. then i turned around and there he was. i used to be scared of him all the time, . . . i reckoned i was scared now, too; but in a minute i see i was mistaken—that is, after the first jolt, as you may say, when my breath sort of hitched, he being so unexpected; but right away after i see i wasn't scared of him worth bothering about. based on the excerpt, which is the most reasonable plot prediction? huck will once again start fearing his father. huck will confidently face his father. huck will refuse to speak to his father. huck will be forced to make a choice about his father.
  
• the formula s = startroot startfraction s a over 6 endfraction endroot gives the length of the side, s, of a cube with a surface area, sa. how much longer is the side of a cube with a surface area of 480 square meters than a cube with the surface area of 270 square meters? startroot 5 endroot m startroot 35 endroot m startroot 210 endroot m 7 startroot 5 endroot m
  
• periods of depression that do not affect our daily lives are called adjustment disorders. please select the best answer from the choices provided. t f
  
• a client is being treated for osteoporosis with alendronate, and the nurse has completed discharge teaching regarding medication administration. which morning schedule would indicate to the nurse that the client teaching has been effective?
  
• valves in veins have an anatomic structure similar to ______ valves of the heart.
  
• the diagram shows the field lines near the poles, x and y, of two magnets.at left a rectangular box with the long horizontal side labeled x. at right a rectangular box with the long horizontal side labeled y. there is a gap between the boxes. curved lines with arrowheads emerge from the right end of x and the left end of y and point up and down.based on the field lines, what are the poles of the magnets?x: northy: southx: southy: northx: northy: northx: southy: south
  
• read the excerpt from a short story. the young docent welcomed the class to the museum, explaining that the east wing was under construction and he’d be leading them to the first exhibit. his fingers leapt to his name tag as he nervously introduced himself as “liam, a student of the arts.” then he bade the group follow him. they traversed a vaulted hall lined with hulking objects, each one obscured by a faded tarpaulin. some of the items stretched across the floor, others cast long shadows on the museum walls. what technique does the author use to build suspense in the excerpt?