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Hydrogen gas can be produced in the laboratory through the reaction of magnesium metal with hydrochloric acid. When 12.0 g of Mg reacts, what volume, in liters, of
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Chapter 11 Solutions
EBK BASIC CHEMISTRY
- (7.50ml) Charles' Law 1. Several balloons are inflated with helium to a volume of 0.75 L at 27°C. One of the balloons was found several hours later, the temperature had dropped to 22°C. What would be the volume of the balloon when found, if no helium has escaped? (0.74L) Sign out V 8 12 DELL %23 %24 & 4 6 [O e r t y u d. f m alt ctri ofarrow_forward3. A fixed quantity of gas at 23.0°C exhibits a pressure of 748 torr and occupies a volume of 10.3 L. Calculate the volume the gas will occupy if the temperature is increased to 145°C while the pressure is held constant. (14.5L) Sign out DELL 5 alt ctriarrow_forward5.56 A 2.50-L flask was used to collect a 5.65-g sample of propane gas, C3Hg. After the sample was collected, the gas pressure was found to be 741 mmHg. What was the tempera- fure of the propane in the flask?arrow_forward
- Iron reacts with hydrochloric acid to produce iron (II) chloride and hydrogen gas: Fes) + HCl(ag) ---> FeCl2 + H2 (3) The H2 gas from the reaction of 300.0 g of iron with 300.0 g hydrochloric acid is collected in a 2000.mL flask at 20.00°C. What is the pressure of H2 gas in this flask in bars? (1 atm = 1.01325 bars) A) 49.48 bars B 50.14 bars 64.61 bars D 65.46 barsarrow_forwardFill in the blanks: (6.5) The volume of a sample of gas at 50 °C is 2.50 L. Assume that the pressure is held constant. (a) What is the volume (in L) of the gas at -10. °C? (b). At what temperature (in °C) would the volume be 1.25 L? (c). At what temperature (in °C) would the volume be 2.75 L? Answer: (a) Volume at -10. °C = L (3 sig fig) (b) Temperature = °C (3 sig fig) (c) Temperature = °C (3 sig fig)arrow_forwardAt 1.00 atm and 0 ∘C, a 5.04 L mixture of methane (CH4) and propane (C3H8) was burned, producing 15.7 g CO2. What was the mole fraction of each gas in the mixture? Assume complete combustion. Xmethane= Xpropane=arrow_forward
- (6.9: Similar to Example 6.15 & For Practice 6.15) Find the ratio of effusion rates of argon gas and chlorine gas. O 0.751 O 1.33 O 3.15 O 0.317arrow_forwardButane gas, C4H10, is sold to campers as bottled fuel. Its density at 258C and 1.00 atm is 2.38 g/L. What volume of butane gas at 258C and 1.00 atm is required to heat one gallon of water (d 5 1.00 g/mL) from 258C to 988C? The reaction for the combustion of butane (DHf 8 5 2125.6 kJ/mol) is C H (g)113O (g)9:4CO (g)15H O(g)arrow_forwardQ1. If 3.50 g sample of acetylene (C2H2) is burned in excess oxygen, how many liters of CO2(g) can be produced at 0 oC and 1.00 atm? (R: 0.08206 L.atm/mol.K; Mw of C2H2: 26.04 g/mol) 2C2H2 (g) + 5O2 (g) → 4CO2 (g) + 2H2O (l) please quickarrow_forward
- The reaction below is used in the commercial production of ammonia. N2(9) + 3 H2(g) - 2 NH3(g) 4.5 How many liters of hydrogen are required to produce exactly 3.0 liters of ammonia? (All measurements are made at STP.) 1.5 6.0 2.0arrow_forwardThree 9−L flasks, fixed with pressure gauges and small valves, each contain 8 g of gas at 275 K. Flask A contains CH4, flask B contains H2, and flask C contains He. Rank the flask contents in terms of: (i) total kinetic energy of the molecules. A>B>C A>C>B B>C>A B>A>C C>B>A C>A>B A=B=C (ii)density A>B>C A>C>B B>C>A B>A>C C>B>A C>A>B A=B=C (iii)Collision frequency A>B>C A>C>B B>C>A B>A>C C>B>A C>A>B A=B=Carrow_forwardWhich list below is an allowable set of quantum numbers for an electron? m a 1 1 +1/2 b -1 -1 -1/2 2 3 -2 +1/2 3 2 -2 -1/2 e 4 4 -3 +1/2arrow_forward
- Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
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