1 A sample of nitrogen occupies a volume of 250ml at 25

Last updated: 5/17/2023

1 A sample of nitrogen occupies a volume of 250ml at 25 degrees Celsius What volume will It occupy at 95 degrees Celsius Which law would you use to solve this problem Boyle s Law b Charles Law c Gay Lussacs Law d B and C a 2 A gas has a pressure of 0 370 atm at 50 0 C What is the pressure at standard temperature b Boyle s Law b Charles Law c Gay Lussacs Law d B and C 3 Calculate the decrease in temperature when 6 00 L at 20 0 C is compressed to 4 00 L a 195 3 Kelvin b 195 6 Kelvin c 195 8 Kelvin d 194 3 Kelvin 4 A 40 0 L tank of ammonia has a pressure of 12 7 kPa Calculate the volume of the ammonia if its changed to 8 4 kPa while its temperature remains constant a 62 0 liters b 63 0 liters c 60 5 liters d 62 5 liters 5 A sample of Oxygen gas occupies a volume of 250 ml at 740 torr pressure What volume will it c pressure Which law would you use to solve this problem C Boyle s Law b Charles Law c Gay Lussacs Law d B and C 6 How many neutrons does Radon have a 222 b 86 c 136 7 How many electrons does Radon have a 222 b 86 C 136 8 How many protons does Radon have a 222 b 86 c 136 d 308 d 308 9 How many energy levels does Radon have a 2 b 4 c 6 d 8 d 308 10 The vertical direction up and down on a periodic table is referred to as a periods b columns c lines d towers 13 The most stable group of elements is the a halogens 11 The horizontal direction side to side on a periodic table is referred to as a periods b columns c lines d towers 12 Which of the following elements can be found in group 2 period 7 c Radium a Radon b Francium d Krypton b metalloids c alkaline earth metals d noble gasses 14 The mass in grams of one mole of a substance is best defined as the Percent of mole b Molar mass c molar balance d None of these a 15 Which answer best defines the molar mass of sodium carbonate Na2CO3 a 108 2 g mole b 106 0 g mole c 160 0 g mole d 106 3 g mol