• A steel cylinder with a volume of 15.0 L is filled with 84.9 g of nitrogen gas at 25°C. Calculate the pressure (in atm) of the N2 gas in the cylinder.
A steel tank has a volume of 438 L and is filled with 0.885 kg of O2. Calculate the pressure of Oz at 69.8 °F. Note: R = 0.0821 atm.Lomol-1.K-1 Give your answer to the correct significant figures and units.
1. A steel cylinder has a volume of 15.0 L. It is filled with 50.0 g of N2 gas at 25 0C. What is the pressure of N2 gas in the cylinder.? R = 0.0821 L-atm/mol-K; 1 mole N2 gas = 28.0 g N2 gas 2. T/F Carbon dioxide gas formation when CaCO3 reacts with acid is one evidence of chemical change. 3. T/F In a reaction equation the arrowhead always points to the products.
a) A helium-filled weather balloon has a volume of 521 L at 17.9°C and 758 mmHg. It is released and rises to an altitude of 5.22 km, where the pressure is 472 mmHg and the temperature is –14.1°C. The volume of the balloon at this altitude is ______L b) A sample of krypton gas occupies a volume of 6.19 L at 56.0°C and 382 torr. If the volume of the gas sample is decreased to 4.90 L, while its temperature...
A helium-filled weather balloon has a volume of 883 L at 21.9°C and 753 mmHg. It is released and rises to an altitude of 8.50 km, where the pressure is 291 mmHg and the temperature is –33.1°C. The volume of the balloon at this altitude is _______ L. What volume of hydrogen gas is produced when 66.8 g of iron reacts completely according to the following reaction at 25 °C and 1 atm? iron (s) + hydrochloric acid(aq)iron(II) chloride (aq)...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...