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Basic Chemistry
- 320 29. Determine what happens to each variable below (increases, decreases, no change) under the stated conditions. Assume that all other variables not specifically mentioned are constant values. (10.4) (a) What happens to the pressure when the volume decreases? (b) What happens to the volume when the temperature increases? (c) What happens to the pressure when the temperature decreases? (d) What happens to the pressure when the amount of gas decreases? 30. Determine what happens to each variable below (increases, decreases, no change) under the stated conditions. Assume that all other variables not specifically mentioned are constant values. (10.4) (a) What happens to the volume if the amount of gas doubles? (b) What happens to the temperature when the pressure decreases? (c) What happens to the temperature when the volume increases? 34. Calculate the missing variables in each experiment below using Boyle's law. (10.5) (a) P, = 1.67 atm, V1 = 3.77 L, P2 = 0.229 atm, V2 = ? (b) P1 =…arrow_forward(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_forward9:29 Question 18 of 25 Submit How many liters of hydrogen gas would be produced by the complete reaction of 2.93 g of Al at STP according to the following reaction? Remember mol of an ideal gas has a volume of 22.4 L at STP Al (s) + HCI (aq) → AICI3 (aq) + H2 (g) х STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 2.93 3.65 g H2 me 22.4 1.62 mol H2 2.02 7.30 L H2 g/m 26.98 g/mol H2 6.022 x 1023 0.329 g Al 2. 3.arrow_forward
- 9.3 The balanced equation below represents the chemical reaction, where 3 moles of sodium react with chlorine. 2Na + Cl2 → 2NaCt 9.3.1 Calculate the mass of sodium chloride formed. 9.3.2 Calculate the volume of chlorine at STP if it reacts with 3,5 moles of sodium.arrow_forwardFill in the blanks: (3.8) What volume (in mL) will 10.0 g of CO2 (g) Occupy at 27 °C and 2.00 atm? Atomic mass: C 12.01 O 16.00 Analysis (Given): T (CO2) = | K n mol (CO2) = %3D moL (3 sig fig) Answer: V (CO2) = mL %3D (3 sig fig)arrow_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
- Fill 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_forward5.) If 2.45 liters of benzene are consumed in this reaction at 1.1 atm and 25 C, how many liters of water are formed? 2 C6H6(g) + 15 02(g) --> 12 CO2(g) + 6 H20(g) * O 0.110 Liters O 0.330 Liters O 5.3 Liters O 7.34 Liters O 22.4 Litersarrow_forwardThe raté of effusion of a certain gas. was measured in a laboratory Pure oxygen in the same 9. apparatus and found to be 10:0 ml/sec. apparatus at the same temperature and pressure effused at a rate of Calculate the molecular weight of the gas. (63.6) 14.1 ml/sec. ortantarrow_forward
- 4.00 mol CO2 is placed in a 6.00 L container at a temperature where 12.3% of it decomposes. What is the value of Kc for the following at this temperature? CO2(g) 2 CO(g) + O2(g)arrow_forward4.00 mol CO₂ is placed in a 6.00 L container at a temperature where 12.3% of it decomposes. What is the value of Kc for the following at this temperature? 2 CO₂(g) = 2 CO(g) + O₂(g) X Kc = 4.0✔ 4.76e-4arrow_forward7.78 18) How many grams of zinc metal are required to produce 2.00 liters of hydrogen gas at STP 24.5 Zn(s) + 2 HCl(aq) A) 0. 171 g according to the chemical equation shown below? → ZnCl2(aq) + H2(g) C) 5.83 g B) 131 g D) 11.7 g any to raise the temperature of 53.8 g benzene byarrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning