Questions asked by abby

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• What would be the final pressure of a system if a 175 ml sample of gas at 28°C and 98.9 kPa was cooled to 5°C and maintained a final volume of 125ml?
  
• A gas expands from 35 ml to 70ml. if the temperature was at 22 Celsius, what will the final temperature be?
  
• Solve: 3In x = In216 Having trouble with base e ? "?????
  
• If 24500 J is applied to 125g of water at 35 C, what will the final temperature of the water be?
  
• What would be the final volume of a diluted solutions that was made by diluting 250 mL a 4.5M solutions of H2SO4 to make a 3.5M solution? How much water would have to be added to reach the final volume?
  
• Determine the volume occupied by 2.50 g of hydrogen gas at a pressure of 828 mm of mercury and a temperature of 35.0 C ?
  
• How many grams of iron would be produced if 2 moles of Fe2O3 reacted with 3 moles of CO?
  
• Im having trouble understanding what the question is asking?
  
• At a corner gas station, the revenue R varies directly with the number g of gallons of gasoline sold. If the revenue is 19.50 when the number of gallons sold is 5, find a linear equation that relates revenue R to the number g of gallons of gasoline?
  
• How many terms must added in an arithmetic sequence whose first term is 6 and whose common difference is 5 to obtain a sum of 5220?
  
• The Dury Lane Theater has 15 seats in the first row and 40 rows in all. Each successive row contains one addition seat. How many seats are in the theater?
  
• Find the nth term an of the geometric sequence described below, where r is the common ratio? Help please I'm use too when the problem gives at least 5 sets?
  
• Suppose that you have been hired at annual salary of $24000 and expert to receive annual increases of 5%. What will your salary be when you being your ninth year?
  
• Find the nth term An of the geometric sequence described below where r is the common ratio. Kind of confused on what to do?
  
• I know this is a converges but i'm having trouble finding the sum?
  
• How do cells transport things in and out as needed by the cell?
  
• Wolves will either have gray coats (G) or black coats (g), brown eyes (B) or blue eyes (b). If a male wolf with a black coat and blues eyes breeds with a female wolf heterozygous for coat and eye color??
  
• Luke found a box of photos labeled 1970-1995.Each photo shows his entire extended family.No dates appear on the photos.Luke knows that his grandmother died in 1985 and his uncle was born in 1975.Luke's sister was born in 1990?