17,43,56 please MHCl is diluted to 2.0L. What is the final molarity? 43. A 300. mL solution of 3.0 M HCl is...
7 What is the molarity of sodium ions in 4.57 L of a 0847 MNasP solution? a 0.847 b 387 c o1ss d. 254 s When 2s0 mL of a 10 6 M HCI solution is diluted to 200.0 mL, what is the final molarity of this acidic solution? a 1.33 M b. 265 M c 398 M d. 3.53 MM 9 Which of the following is not a part of the kinetic-molecular theory ? Atoms are neither created nor...
7. A sample of oxygen gas has a volume of 545 mL at 35 degree C. The gas is heated to 151 degree C at constant pressure in a container that can contract or expand. What is the final volume of the oxygen gas? A) 750 mL B) 396 mL C) 417 mL D) 267 mL E) 126 mL 8. A 45 mL sample of nitrogen gas is cooled from 135 degree C to 15 degree C in a container...
omeone answer all the wuestions : 24.11 Equal masses of He and Ne are placed in a sealed container. What is the partial pressure of He if the sotal pressure in the (E) 5 atm (A) 1 atm (B) 2 atms (C) 3 atm 2.A pure liquid in an open vessel boils at the temperature at which the (A) molar entropy of the liquid becomes equal to that of the gas vapor pressure of the liquid becomes equal to the...
2 What is the temperature of 0.300 mole of neon in a 2.00 L vessel at 4.68 atm?3 How many moles of chlorine gas at 120. °C and 33.3 atm would occupy a vessel of 12.0 L?4 What volume would 20.0 moles of sulfur dioxide occupy at 75.3 °C with a pressure of 3.00 atm?5 What is the pressure in a 5.00 L tank with 1.50 moles of oxygen at 39.3 °C? 6 In a 4.00 L pressure cooker, water is...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water to prepare a 0.200 M solution. What is the volume of the resulting 0.200 M solution? Or asked another way, to what volume must the original solution be diluted? (3 points) 2) Lithium hydroxide, LiOH, is used in spacecraft to absorb the carbon dioxide exhaled by astronauts. Given 1.3 kg of LiOH, how many kg of CO2 can be absorbed? (10 Pts. The reaction...
24) Which of the following represent STP (Standard Temperature and Pressure) conditions? A) T -0 K and P = 1 atm B) T=0°C and P 760 atm C) T= 273 K and P = 0 atm D) T-273 K and P-1 atm E) T = 1 K and P = 1 atm 25) Which of the following is TRUE for a liquid that is placed in a sealed container? A) Condensation of the evaporated molecules in the jar can only...
1) What is the final pressure (expressed in atm) of a 3.05 L system initially at 724 mm Hg and 298 K that is compressed to a final volume of 2.51 L at 273 K? 1) 2) What is the pressure of a 1.0 L flask containing 0.60% of He at 25°C? (R-0.0821 L atm/mol K) 3) What is the volume of 28.0 g of nitrogen gas at STP? 3) 4) What is the final pressure of a system (atm)...
34) Which of the followine represent STP Standard Temperature and Pressure) conditions A) TOK and Plam BT-0"C and P760 atm CT-273 K and P-0 atm D) T-273 K and P lam ETIK and Patm 25) 23) Which of the following is TRUE for a liquid that is placed in a sealed container? A) Condensation of the evaporated molecules in the car can only occur once all of the liquid molecules are in the vapor for gaseous) state. B) A set...
Class-work ch.6 and ch. 10 Name 1) What is the final pressure (expressed in atm) of a 3.05 L system initially at 7wHg and 2 that is compressed to a final volume of 2.51 L at 273 K 1) 2) What is the pressure of a 1.0 L flask containing 0.60g of He at 25°C? (R-0.0821 L atm/mol K) 3) What is the volume of 28.0 g of nitrogen gas at STP? 3) 4) What is the final pressure of...
*SHOW YOUR WORK* (Boyle's Law): 1. What is the final volume (in mL) or argon gas is 50.0 mL at 705 torr is compressed to a pressure of 2.75 atm, at constant temperature? (Lewis Dot Structures): 2. Draw Lewis structures for the following molecules. Include partial charges, AXE designation, (example: AX2 E2), Electron-pair geometry and geometric-molecular shapes. Is it Polar or Non-Polar? CH2Cl2 SO2 3. Which of the following explains why the pressure of a gas increases when the temperature...