Search: what is the density of an 84.7g sample of an unknown substance if the sample occupies 49.6cm3

a sample gas occupies 1.00 x 10 to the 6th at 575 mm Hg. if the pressure is changed to 950 mm Hg, wh... a sample of a gas occupies a volume of 1025 mL at 75 degrees Celsius and 0.75 atm. What will be the... A sample of gas occupies 4 mL at STP. At what pressure would this sample occupy 500 mL if the temp... If a sample of gas occupies 6.8 L at 325 degrees C, what will its volume be at 25 degrees C if the p... A sample of co2 occupies 6.00l at 25c and 700. MmHg. What is the volume of the gas at stp A sample of a gas occupies a volume of 1158 mL at 59ºC and 0.76 atm. What would be the new volume if... A sample of gas occupies 29 L under a pressure of 1.3 atm. What would the resulting volume be if the... A sample of O2 (g) occupies a volume of 3.0 L at 700 mmHg, calculate its volume at 375mmHg. If a sample of gas occupies a volume of 2.50 liters at 25.0 degrees C, would the volume be larger or... If a sample of gas occupies 25.0 mL at -25°C and 650 mmHg, what is the volume at 25°C and 353 mmHg?... A sample of gas occupies 24.5 L at a pressure of 1.57 atm; what is the pressure if the volume is inc... A sample of gas occupies 42L at 250 degrees celsius.Determine its volume at 400K A gas sample occupies a container of 25.0 mL with a pressure of 125.1 kPa at room temperature (25.0... A sample of NH3 gas occupies 75.0 liters at STP. How many molecules is this? If a sample of gas occupies 2.1 ml at a pressure of 896 torr, what volume (ml) will it occupy at a p... A sample of gas occupies 17 mL at -112C. What volume does the sample occupy at 70C? A sample of gas occupies 3.00 L at 760 torr. Calculate the volume it will occupy at 1.45 atm and th... A sample of N2 gas occupies a volume 180 mL at STP. What volume, in L, will it occupy at 640 mm Hg a... A sample of H2 gas occupies a volume of 565 mL at STP. What, volume, in mL, will this sample of H2ga... A sample of air occupies 3.8 L when the pressure is 1.2 atm. (a) What volume does it occupy at 7.... A sample of O2 gas occupies 1.93L at a pressure of 10.0atm at 100 degree celsius. What volume will t... A sample of Helium occupies 200 L at 30ºC under a pressure of 970 torr. What is the volume it occupi... A gas sample occupies a volume of 2000L at 40 degrees celcius .What volume will it occupy at STP? 1 ) A sample of vapor occupies a volume of 125 ml at 100 celcius and 748 torr. What is its volume un... A sample of nitrogen occupies a volume of 300ml under a pressure of 380 torr at -177C. What would be... A sample of gas occupies 100ml at 27 degree Celsius and 740mm pressure. The temperature the gas will... A sample of gas occupies a volume of 63.1 mL. As it expands, it does 130.4 J of work on its surround... A sample of gas occupies 100ml at 25 degree celsius. What volume would the gas occupy at 32 degree c... A sample of oxygen occupies 38.9L at STP. What will the pressure need to be in Torr. if the volume i... a sample of hydrogen occupies a volume of 950 mL at -15.3 degrees celcius. if the temperature increa... A gas sample occupies a volume of 155 mL at a temperature of 316 K and a pressure of 0.989 atm. Ho... A sample of Chlorine occupies 8.50 L at 80.0 C and 740 mm Hg. What volume will Chlorine occupy at ST... A sample of Oxygen has occupies 1.00x10^6mL at 575mm Hg is subjected to a pressure of 1.25atm. What... A sample of oxygen occupies 10.0 L under a pressure of 105 kPa. At what pressure will it occupy 13... a gaseous sample occupies 32.4 mL at -23 degrees C and 0.75 atm. What volume will it occupy at STP? a sample of gas occupies a volume at 73. 1 mL. As it expands, it does 135.0 J of work on its surroun... a sample of iron occupies a volume of 10.0cm3. if the density of iron is 7.9 g/cm3 what is the mass... A sample of CO2 occupies a volume of 3.50l at 125 kPa pressure,What pressure would the gas exert if... A sample of oxygen gas occupies 500.0 mL at -185°C and 75.0 cmHg. Calculate the temperature in °C if... A sample of helium gas occupies a 10 cubic meter container at STP (273 K, 1 atm). What will the appr... A sample of gas occupies a volume of 500.0mL at .906 atm and 97 C. What will the final temperature (... A sample of argon gas occupies a volume of 295ml at 36 C. What volume will the gas occupy at 55 ass... A gas sample occupies 4.2 Liters at a pressure of 101 kPa. What volume will the will it occupy if th... A sample of oxygen occupies 1.00 L. If the temperature remains constant and the pressure on oxygen i... Suppose a gas sample occupies 14.9 L at STP. What is its volume at 400 K and 0.87 atm? which equ... A sample of oxygen gas occupies a volume of 3.84 L at 269. K. What volume will the sample occupy at... A gas sample occupies a volume of 400.0ml at 298.15k at costant pressure. what is the final temperat... A sample of gas occupies a volume of 59.9 mL. As it expands, it does 126.2 J of work on its surround... a sample of gas occupies 500ml at STP. what volume will the gas occupy at 85.0 degrees Celsius A sample of argon gas occupies a volume of 950 mL at 25.0C. What volume will the gas occupy at 50.... a sample of freon-12 occupies 25.5 litters at 28 celsius find its volume at 15 degree celcius when t... A sample of gas occupies 17mL at -112 degrees Celsius. Assuming the pressure is held constant, what... A sample of oxygen occupies 38.9L at STP. What will the pressure need to be in Torr. if the volume i... A sample of a gas occupies 4164 milliliters at 20.0◦C and 5644 torr. What volume would it occupy at... A sample of nitrogen occupies 11.2 liters under a pressure of 580 torr at 32◦C. What volume would it... a sample of gas occupies 1910ml at -22.8 degrees C and 740 torr. what volume would it occupy at the... A sample of helium occupies 1521 mL at 719 mmHg. Assume that the temperature is held constant and de... 100-g sample of substance is heated to 100˚C and placed into calorimeter cup containing 150 g of wat... A 2.35 g sample of a substance suspected of being pure gold is warmed to 72.2 ∘C and submerged into... A 215 g sample of a substance is heated to 330 degrees C and then plunged into a 105 g aluminum calo... A 0.821 sample of a substance composed of diatomic molecules has a mass of 131.3g. Identify this mol... A sample of a substance (containing only C, H, and N) is burned in oxygen. 7.961 g of CO2, 1.164 g... An impure sample of substance X melts at about 113 degress. Which of the substances could be X and s... a sample of gaseous substance at 25 degrees Celsius and 0.862atm has a density of 2.6g/l. what is th... If a 300g sample of a substance has a half-life of 5 days, how much of the substance will decay afte... A 320g sample of a substance called Iodine-131 is stored in a laboratory for 40 days. At the end of... If a 300g sample of a substance has a half-life of 5 days, how much of the substance will decay afte... A 0.12 g sample of unknown was placed in a flask and dissolved in 125 mL of deionized water. A solut... A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene; the freezing point of t... A 18.2 g sample of an unknown compound contains 0.7 g of oxygen. What is the percent by mass of oxyg... A sample of unknown ore was analyzed and fgound to contain 12.7% Al, 19.7% N,and 67.6% O. What is th... A 13.0 mL sample of an unknown HClO4 solution requires titration with 25.2 mL of 0.180 M to reach th... A 2.80 -g sample of an unknown chlorofluorocarbon is decomposed and produces 557mL of chlorine gas... A sample contains an unknown amount of tartaric acid, H2C4H4O6. If 0.3888 g of the sample requires... A 15.0 ml sample of unknown HCL04 solution requires titration with 25.3 ml of 1.200 M NaOH to reach... A .288 g sample of an unknown monoprotic organic acid is dissolved in water and titrated with a .115... A 0.750 g sample of an unknown solid is dissolved in 100 mL of water and acidfied with 25 mL of 3 M... A 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid’s temperatur... A 0.115-L sample of an unknown HNO3 solution required 31.1 mL of 0.100 M Ba(OH)2 for complete neutra... a 20.94-g sample of an unknown metal is heated to 99.4 degrees Celsius in a hot water bath until the... A 327- ML sample of unknown HCI solution reacts completely with Na2CO3 to form 20.1 g CO2 What was... a 9.85 g sample of an unknown metal M is burned in the presence of excess oxygen, producing the oxid... A 15.0 g sample of an unknown compound is dissolved in 100.0 g of benzene. The boiling point is ra... a 225.0 g sample of an unknown, silver, pure metal was heated to 95.5 degrees celsius then put into... a 225.0g sample of an unknown, silver, pure metal was heated to 95.5 degrees Celsius and then put in... A 1.325 g sample of an unknown vapor occupies 386 mL at 114 celsius and 946 mmHg. The simplest formu... A 27.00 mL sample of an unknown H3PO4 solution is titrated with a 0.110 M NaOH solution. The equival... a 2.55g sample of an unknown has a volume of 3.73 cm. what is the density of the unknown A 0.446 g- sample of an unknown monoprotic acid was titrated with 0.105 M KOH. the molar mass is 120... For an unknown sample of the experiment, students measure 1602 counts when they first receive their... A 71.1 g sample of an unknown compound contains 10.1 g of hydrogen. What is the percent by mass of h... A 0.750 g sample of an unknown substance is dissolved in 20.0 g of benzene, C6H6. The freezing point... A 15.0 ml sample of an unknown HClO4 solution requires 50.3 ml if 0.101 M NaOH for complete neutrali... A 23.0-g sample of an unknown metal is heated to 91.5°C and is placed in a perfectly insulated conta... A 5 mL sample of an unknown liquid is placed into a 250 mL flask that has had all of the air removed... A 11.0-mL sample of an unknown H3PO4 solution requires 116mL of 0.140 KOH to completely react with t... A 0.167-g sample of an unknown compound contains 0.00278 mol of the compound. Elemental analysis of... A 75.00-g sample of an unknown metal is heated to 52.00°C. It is then placed in a coffee cup calorim... A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The init... A 0.160-g sample of unknown metal (X) reacts with hydrochloric acid to produce 66.5 mL of "wet" gas...