
QUESTION 1 A gas system has an initial volume of 12400 mL with the temperature unknown....
A gas system has an initial volume of 820 mL with the temperature unknown. When the volume changes to 7080 mL the temperature is found to be 2460 K. What was the initial temperature in K? Use three significant figures in your answer and do not enter units... numbers only!
A gas system has initial volume and temperature of 14.5 L and 168 °C If the volume changes to 3580 mL, what will the resultant temperature be in K? Use three significant figures in your answer and do not enter units... numbers only!
A gas system has an initial volume of 4.65 L with the pressure unknown. When the volume changes to 0.816 L the pressure is found to be 8.43 atm What was the initial pressure in atm? Three Significant figures. Enter numbers only.. no units!
A gas system has pressure , volume and temperature of 1.308 atm, 6399 mL and 517.3 oC, respectively. How many moles of gas are present? Use three significant figures in your answer and do not include units... numbers only!
QUESTION 4 A gas system has pressure, volume and moles of 1.705 atm, 2933 mL and 0.196 moles, respectively. What is the temperature in C? Use three significant figures in your answer and do not include units... numbers only!
A gas system has volume, moles and temperature of 5.532 L, 0.102 moles and 667.9 K, respectively. What is the pressure in mm Hg? Use three significant figures in your answer and do not include units... numbers only! QUESTION 19
A gas system has pressure, volume and temperature of 0.9972 atm, 9.527 L and -39.70 °C, respectively. How many moles of gas are present? Use three significant figures in your answer and do not include units... numbers only!
A gas system has pressure, volume and moles of 1053 atm, 8484 mLand 0.474 moles, respectively. What is the temperature in C? Use three significant figures in your answer and do not include units... numbers only!
1.A sample of gas has a mass of 38.6 mg. Its volume is 228 mL at a temperature of 54 ∘C∘C and a pressure of 842 torr. Find the molar mass of the gas. Express your answer in grams per mole to three significant figures. 2.What is the pressure in a 12.0-LL cylinder filled with 39.5 g of oxygen gas at a temperature of 328 K? Express your answer to three significant figures with the appropriate units.
an unknown hydrocarbon gas sample has a volume of 500.0 mL and a mass of .3569 g at STP. What is the molecular weight of the gas in units of g/mol. use appropriate significant figures.