How long (in seconds) will it take to plate .300g of platinum( 195.1g/mol) from a solution of Pt2+ ions, if you have a 25 amp power supply
How long (in seconds) will it take to plate .300g of platinum( 195.1g/mol) from a solution...
Nickel can be plated from aqueous solution according to the following half reaction. How long would it take in seconds) to plate 3.2 g of nickel at 50.0 Amps ? A.W.NI - 58.7 g/mol Ni 2+(aq) + 2 e-- NI(S) a. 2100 seconds b. 21.0 seconds C 1.1 x 104 seconds d. 210 seconds e. 105 seconds
Question 11 An antique spoon is to be silver-plated. How long will it take to plate 21.4 g of Ag (atomic mass=107.9 g/mol) from a solution of AgNO3 using a current of 10.0 amp? a. 63.8 min b. 31.9 min O c. 161 min Od 1.15 x 105 min O e. 80.4 min Moving to another question will save this response. Question 12 A 25.0 ml sample of 0.20 M Formic Acid (HCO2H, aq) is titrated with 0.10 M KOH(aq)....
A solution containing Pt44 is electrolyzed with a current of 3.60 A. How long will it take to plate out 99% of the platinum in 0.20 L of a 0.025-M solution of Pt4? Time =
How long (in seconds) would it take for the concentration of A
to decrease from 0.680 M to 0.200 M?
How many grams of chromium metal will be deposited from a solution that contains Cr^3+ ions if a current of 1.01 A is applied for 40.2 minutes. Answer in______________ grams? How many grams of cobalt metal will be deposited from a solution that contains Co^2+ ions if a current of 0.517 A is applied for 40.5 minutes. Answer in_____________ grams? How many grams of cobalt metal will be deposited from a solution that contains Co^2+ ions if a current of...
a) how long is seconds does it take Andrew to reach the
store?
b) in seconds, how long does the whole trip take?
c) how long does the trip take in minutes?
d) how much distance, in kilometers, did andrew travel during
the whole trip?
e) what is the magnitude of andrews displacement, in km, for
the entire trip?
f) what is the direction of andrew’s displacement for the
entire trip?
(13%) Problem 1: Andrew needs to get produce from...
26. For the following second order reaction, how long will it take for a 80% solution of A to decompose to a 20% solution if the rte constant is 0.248 Lmol*s at 25°C? 3A2D a. -15 seconds b. .93 seconds c. 15 seconds d. -93 seconds 27. For the following first order reaction, what is the half life if the rate constant is 2.49 s and the original concentration of A is 2.56 M? a. 0.278 seconds b. 3.59 seconds...
How many seconds would it take to deposit 17.3 g of Ag (atomic mass = 107.87) from a solution of AgNO3 using a current of 10.00 amp? a) 3.09 x 103 s b) 7.74 x 102 s c) 4.64 x 103 s d) 1.55 x 103 s e) 5.16 x 102 s
A sample of N2O effuses from a container in 49 seconds. How long would it take the same amount of gaseous I2 to effuse from the same container under identical conditions?
A sample of N2O effuses from a container in 42 seconds. How long would it take the same amount of gaseous I2 to effuse from the same container under identical conditions?