An object with a mass of 421 g is added to 50.0 mL of water. The water level rises to a volume of 76.0 mL. What is the density of the object
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a nugget of gold with a mass of 281 g is added to 50.0 ml of water. the water level rises to a volume of 77.0ml what is the density of the gold
1.2 biomL 4. A 50.0 g silver object is added to 72.8 mL of water contained in a gradu What would be the ne dded to 72.8 mL of water contained in a graduated cylinder. d be the new water level, in milliliters (density of silver = 10.5 g/mL; 8 points)? ml - 72.8 mL 50. Og silver d = 10.5g/mL 5. A physician has ordered 1.0 g of tetracycline to be given every six hours to a patient. If...
In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH), was added to 50.0 mL of 0.680 M HCI. The reaction caused the temperature of the solution to rise from 22.91 °C to 27.54 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184J/g • °C,) respectively), what is AH for this reaction (per mole H,O produced)? Assume that the total volume is the sum of the individual volumes.
In a constant pressure calorimeter 50.0 mL of 0.310 M Ba(OH)2 was added to 50.0 mL of 0.620 M HCl. the reactions caused the temperature of the solution to rise from 23.77 c to 27.99 c if the solution has the same density and same specific heat as water (1.00 g/mL and 4.184 j/g c ) what is triangle H for this reaction (per mole of H2O produced) assume that the total volume is the sum of the individual volumes
In a constant-pressure calorimeter, 50.0 mL of 0.350 M Ba(OH)2 was added to 50.0 mL of 0.700 M HCl. The reaction caused the temperature of the solution to rise from 24.49 C to 29.26 C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184 J/g• C) respectively), what is ?H for this reaction (per mole H2O produced)? Assume and the total volume is the sum of the individual volumes. ?H= _______ kJ/mol H2O
a powder has a mass of 40.0 g. when the powder is added to 30.0 ml of water the total volume is 45.0 ml. what is the density of the powder?
In a constant-pressure calorimeter, 50.0 mL of 0.320 M Ba(OH), was added to 50.0 mL of 0.640 M HCI. The reaction caused the temperature of the solution to rise from 21.35 'C to 25.71 'C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184J/g • °C) respectively), what is AH for this reaction (per mole H,0 produced)? Assume that the total volume is the sum of the individual volumes. AH = kJ/mol H,0
An empty graduated cylinder has a mass of 31.760 g. 50.0 mL of an unknown liquid are added and the mass increases to 71.810 g. What is the density of the unknown liquid?
An empty graduated cylinder has a mass of 31.760 g. 50.0 mL of an unknown liquid are added and the mass increases to 71.810 g. What is the density of the unknown liquid? -_-lo... Le This is the Mcns for
In a constant-pressure calorimeter, 50.0 mL of 0.310 M Ba(OH)2 was added to 50.0 mL of 0.620 M HCI The reaction caused the temperature of the solution to rise from 23.56 ? to 27.78 ?, what is ?? for this reaction (KJ released per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes and that the density and heat capacity are equal to that of water Number kJ/ mol H,O