Question 11 0.5 pts How long would it take to reduce 1 mole of Ca2 using...
нокти 4. One mole of H2S gas escapes from a container by effusion in 77 seconds. How long would it take one mole of NH3 gas to escape from the same container?
Question 10 10 pts How long would It take for 6.50 g of solid copper to plate out of a solution of CuSO4(aq) being electrolyzed by a constant current of 10.0 A? 32.9 min 8.22 min 164 min 50.6min 25.3 min
0/1pts rrect Question 4 What changes with temperature? Choose two (2) answers mole fraction 0.5/1 pts Partial Question 11 Match the term with the example. water nonvolatile NaCI nonvolatile 0/1 pts Question 20 rect Vapor Pressure Lowering (Raoult's Law) Link e 2 Match the color of the substance with the best term blue (smaller in size) onvolatile solute purple/red 0/1pts rrect Question 4 What changes with temperature? Choose two (2) answers mole fraction 0.5/1 pts Partial Question 11 Match the...
Question 19 2 pts The equation used to predict how long it will take to receive a package through the mail is ý=0.5 + 0.02x4 + 0.85x2 days, where xq is the distance to travel and X2 is the weight of the package. Use this equation to predict the how long it will take to receive a package that is 145 miles away and weighs 3.8 pounds. Homework Help: ZDF. Using a multiple regression equation to estimate values from independent...
29. (II) Estimate how long it would take one person to mow a football field using an ordinary home lawn mower (Fig. 1-15). (State your assumption, such as the mower moves with a 1-km/h speed, and has a 0.5-m width.) 5 0 FIGURE 1-15 Problem 29.
Question 11 1 pts A simple pendulum completes one oscillation in 1.0 second. If the length and the mass of the pendulum are both doubled, how long will it take the pendulum to make one oscillation? 0.5 s 0.71 1 s 0 1.4s 0 2s
how many Ca2+ ions are in a mole of Ca3(PO4)2? How many PO3- 4 ions 1. How many Ca-* ions are in mole of Ca3(PO4)2? How may PO4 ions? 2 Ilumaadhumat 1 c 110 mm
Question 7 1 pts How long will it take, in seconds, to transfer 2,554,311.088 J of heat through a 2.161 m2 pane of 0.976 cm thick glass (k = 0.8372 J/smºC) if the temperature differential is 5.844®C? Question 8 1 pts The heat of fusion of ice is 335 J/g. When 25.852 g of ice at OⓇC is added to 164.203 g of water at 55.510°C, what is the final temperature?
brrect Question 11 0/2 pts To a 1.00 L solution containing 1.00 x 10-3 mole each of Ca2+, Sr2+, and Ba2+, 0.0100 mole of Na2SO4 solid is added. Ksp's for CaSO4, SrSO4, and BaSO4 are 6.1 x 10-5.3.2 x 10 7 1.5 x 10 respectively. Only BaSO4 and 5:504 will precipitate No precipitation will form Only BaSO4 will precipitate Os 5-50 will precipitate
Question 9 1.5 pts Which of the following ion(s): Ga3+, Zn2+, Ge2+, and Ca2+, can have the following orbital box notation written using the normal electron filling-in order? [Ar] 11 1+ + + 11 3d Zn2+ and Ca2+ Ga** only Ca2+ and Ge2 Zn?only Ga3* and Zn2