Answer: m = 0.961 g
CITIUMVV <Ch 10 HW Exercise 10.78 Review Const A sample of fluorine gas occupies 945 mL at 740 mmHg and 170 °C P...
Review Constant A sample of unknown gas weighs 2.45 g and occupies 930 mL at 740 mmHg and 70 °C Part A What is the molar mass of the unknown gas? Express your answer to two significant figures and include the appropriate units.
Chapter 11 HW Assignment <Chapter 11 HW Assignment Exercise 11.69 An experiment shows that a 262 ml gas sample has a mass of 0 425 g at a pressure of 750 mm Hg and a temperature of 38 °C Part A What is the molar mass of the gas? VAX* * O ? Molar Masse 41 g/mol Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Provide Feedback • Previous
Chapter 13 HW Assignment ( 21 0121 <Chapter 13 HW Assignment Exercise 13.109 Review Constants Periodic Table A 145 ml sample of an 89 M NaCl solution is diluted to 30L Part A What volume of the diluted solution contains 11.8 g of NaCl? (Hint Figure out the concentration of the diluted solution forst) Express your answer using two significant figures. AED - O ? 469 Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Next 4/7...
<CH 32-2 HW Problem 32.39 3 of 11 > Review A series RLC circuit with a 140 2 resistor dissipates 78 W when attached to a 120 V/60 Hz power line. Part A What is the power factor? Express your answer using two significant figures ? cos 919 Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining
Answer is not 780 C Review Part A 40 g of oxygen gas, starting at 780° C, follow the process 1 → 2 shown in (Figure 1) What is temperature T, (n°C? Express your answer using two significant figures. Figure < 1of1 > Submit Pi Incorrect; Try Again; 4 attempts remaining P2 Provide Feedback 0 0 V
PHYS 2426 Univer: <Ch 22 HW Exercise 22.22 - Enhanced - with Feedback A point charge of -3.00 uC is located in the center of a spherical cavity of radius 6.90 cm inside an insulating spherical charged solid. The charge density in the solid is 7.35 x 10-4C/m3. Review Constant Paita Calculate the magnitude of the electric field inside the solid at a distance of 9.50 cm fror the center of the cavity. Express your answer with the appropriate units....
ourse Home <CH19 HW Problem 19.42 Two point charges lie on the z axis. A charge of + 2.30 pC is at the origin, and a charge of -4.60 pC is at z--12.0 cm. PartA What third charge should be placed at +20 em so that the total electric ield at Express your answer to three significant figures and include appropriate units +10.0 m is zero? 田因. 1.15 pC Submit incorrect; Try Again; 5 attempts remaining Provide Feedback
Question 10 of 22 A 4.05 g sample of an unknown gas at 35 °C and 1.05 atm is stored in a 2.15 L flask. What is the density of the gas? density: 1.88372 g/L What is the molar mass of the gas? molar mass: g/mol Incorrect Question 14 of 22 A gas mixture is made by combining 6.7 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 15.14 L. What...
L College Physics <CH09 HW-9 Problem 9.31 An air-track cart with mass m1 = 0.34 kg and initial speed vo = 0.95 m/s collides with and sticks to a second cart that is at rest initially. Part A If the mass of the second cart is m2 0.50 kg, how much kinetic energy is lost as a result of the collision? Express your answer to two significant figures and include appropriate units. HA ? Value Units Previous Answers Submit Request...
2019-fall-PHYS-201-012 <HW-34_ch-12 Problem 12.55 A projectile is launched vertically from the surface of the Moon with an initial speed of 1160 m/s. At what altitude is the projectile's speed one-half its initial value? Express your answer using two significant figures. 90 AEC O ? 310 Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining Provide Feedback