Questions asked by dede

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• One of the sides of an equilateral triangle is 61. What is the height of the triangle?
  
• M<A = 39, AC = 11 Find the LENGTH. what is the length?
  
• How do i get the area of this sector? (can you give me the formula too?)
  
• What is the major sector? (formula as well?)
  
• What is the area of this circle?
  
• A sample of gas has a volume of 12 L and a pressure of 1.0 atm. If the pressure of gas is increased to 2.0 atm, what is the new volume of the gas? Temperature and moles are constant.
  
• The temperature of a 4.00 L sample of gas is changed from 10°C to 20°C. What will the volume of this gas be if the pressure and number of moles are constant?
  
• A 400 mL sample of oxygen is cooled from 0°C to -40°C. What is the new volume of oxygen? (Assume that the pressure and number of moles has not changed.)
  
• A rigid container of O2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K if the volume and number of moles has not changed?
  
• Determine the volume occupied by 0.285 moles of a gas at 15°C if the pressure is 81.8 kPa?
  
• Determine the total pressure of a gas mixture that contains oxygen, nitrogen, and helium if the partial pressures of the gases are as follows: #"P"_ ("O"_ 2) = "20.0 kPa"#, #P_ ("N"_ 2) = "46.7 kPa"#, and #P_ "He" = "26.7 kPa"# ?
  
• A gas at 155 kPa and 25°C occupies a container with an initial volume of 1.00 L. By changing the volume, the pressure of the gas increases to 605 kPa as the temperature is raised to 125°C. What is the new volume if the number of moles is constant?
  
• The pressure in an automobile tire is 198 kPa at 25°C. At the end of a trip on a hot sunny day, the pressure has risen to 225 kPa. What is the temperature of the air in the tire? (Assume that volume and number of moles has not changed.)
  
• What is AB?
  
• Formula, and answer?
  
• What is bc?
  
• What's the height of the triangle?
  
• What's the length of it's side?
  
• What volume of 1.50M NaCl contains 3.40 moles of NaCl?
  
• Clara has a solution of potassium iodide in 2.0 L of water. She adds a small pinch of potassium iodide to the solution, and she observes it dissolving. Which term, if any, describes the solution?
  
• A student used 25.0 mL of a stock solution of 2.00M MgSO4 to prepare a 0.200M solution. What is the final volume of the diluted solution?
  
• Find the area of the kite in cm2. Round to 2 decimal places. the area?
  
• What is <A?
  
• What is PC?
  
• What is DZ?
  
• What is angle a?
  
• What is ABCD?
  
• What is ABCD?
  
• What is OP?
  
• What is length of CD?
  
• What is the area?
  
• What are the the coordinates of ABCD?
  
• What is BC?
  
• What us the area of the triangle abcd?
  
• What is ABCD?
  
• How does this equation even work?
  
• What is the length of the diagonal square?
  
• What is the length of the side of the square?
  
• What is AD?
  
• What is EB?
  
• What is AC?
  
• What is BD?
  
• What is pt?
  
• What is PN?
  
• What is pc?
  
• What is dz?
  
• What is eb?
  
• What is XY? in meters