5. At what pressure will 7.89 g of ammonia gas, NH,, occupy 7.46 L at 20.0°C?...
5. At what pressure will 7.89 g of ammonia gas, NH, occupy 7.46 L at 20.0 c? (1.49 atm) 6. Aluminum reacts with oxygen according to the following reaction: 4Al(s)+30, (g)-2Al,0,(s) How many liters of oxygen gas at STP are required to completely react with 55.0 g of aluminum? (34.2 L) 7. Considering the same reaction as in question 6, how many grams of aluminum oxide will be produced from the complete reaction of 1.27 L of oxygen gas at...
vol of Imol at STP=02.4L Volume of aat sTe 34.aL 7. Considering the same reaction as in question 6, how many grams of aluminum oxide will be produced from the complete reaction of 1.27 L of oxygen gas at 783.0 mmHg and 30.0°C? p- 7x3.on on Hの 7oo am (3.57 g) "7 % 783 x 1.27 L χ9p31 4631 3251 oy mO 2 mol 3132351 mo
8. i) How many moles of Neon gas will occupy a container with a volume of 2.5 L at a temperature of 31.5°C and a pressure of 912 torr? ii) What is the density of the gas? 9. A tank of compressed mixed gases contains 0.40 moles of Hz (hydrogen), 1.3 moles of NO2 (nitrogen dioxide), and 0.80 moles of Ar (argon). The total pressure in the tank is 2.8 atm. What is the partial pressure of the Hz gas?...
Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s)+3O2(g)?2Al2O3(s). What volume of O2 gas, measured at 793 mmHg and 28 ?C, is required to completely react with 53.5 g of Al? Express the volume in liters to three significant figures.
QUESTION 1 What will be the pressure of 52.5 grams of oxygen gas in a glass container with a volume of 6 L at 15.4 °C? QUESTION 2 At what temperature in °C does 37.34 g of oxygen gas occupy 18.17 L at 622 mm Hg? QUESTION 3 Consider the reaction between hydrogen gas and oxygen gas to form water: 2 H2(g)O2(g)-»2 H20(g) How many grams of water could be produced by the reaction of 5.1 liters of hydrogen with...
An oxygen gas container has a volume of 20.0 L. How many grams of oxygen are in the container if the gas has a pressure of 887 mmHg at 24 ∘C? Mg metal reacts with HCl to produce hydrogen gas. Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) What volume of hydrogen at 0 ∘C and 1.00 atm (STP) is released when 9.40 g of Mg reacts? How many grams of magnesium are needed to prepare 6.90 L of H2 at 775 mmHg and 20 ∘C?
Oxygen gas reacts with powdered aluminum according to the reaction: 4Al(s)+3O2(g)→2Al2O3(s) Part A What volume of O2 gas (in L), measured at 771 mmHg and 34 ∘C, is required to completely react with 51.9 g of Al?
(a) Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s)+3O2(g)→2Al2O3(s) What volume of O2 gas, measured at 771 mmHg and 35 ∘C, is required to completely react with 54.1 g of Al? (b) Automobile air bags inflate following a serious impact. The impact triggers the following chemical reaction. 2NaN3(s)→2Na(s)+3N2(g) If an automobile air bag has a volume of 12.2 L , what mass of NaN3 (in g) is required to fully inflate the air bag upon impact?...
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)...
5. If a sample of gas occupies 6.80 L at 325°C, what will its volume be at 25°C? 6. A gas at 155 kPa and 25°C has an initial volume of 1.00 L. What will the volume be at STP? 7. A sample of neon has a volume of 345 mL at 25°C and 90 kPa. Calculate moles. 8. What volume is occupied by 0.250 g CO, at 25°C and 80.5 kPa? 9. At 46°C and 89 kPa pressure, a...