The charge present on the substance(Q) = current passed through the substance * time taken by the substance in sec
Q = i * t
time taken by the substance, t = charge/current = Q/t = 200*10^-6/14.10 = 1.42 *10^-5 sec
O ELECTROCHEMISTRY Using the relationship between charge, current and time An electric current of 14.10 A...
Correct answer will get a thumbs up !!! Using the relationship between charge, current and time An electric current of 22.90 A transports 590. HC of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and the correct number of significant digits. Explanation
An electric current of 104.0 mA transports 1.00 kC of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and the correct number of significant digits. ×10
An electric current transports 900. HIC of charge in 552. milliseconds. Calculate the size of the electric current. Be sure your answer has the correct unit symbol and the correct number of significant digits. m 0. 몸
E O ELECTROCHEMISTRY Understanding concentration cells A certain metal M forms a soluble sulfate salt MSO, Suppose the left half cell of a galvanic cell apparatus is filled with a 200 mM solution of MSO, and the right half cell with a 2.00 M solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them The temperature of the apparatus is held constant at 25.0 °C. left Which electrode will...
O GASES, LIQUIDS AND SOLIDS Using heat of fusion or vaporization to find the heat needed to ... Calculate the amount of heat needed to boil 43.8 g of water (H,O), beginning from a temperature of 44.2 °C. Be sure your answer has a unit symbol and the correct number of significant digits. x10 X
O ELECTROCHEMISTRY Understanding concentration cells A certain metal M forms a soluble sulfate salt M.(SO).. Suppose the left half cell of a galvanic cell apparatus is filled with a 2.50 mM solution of M.(SO ) and the right half cell with a 2.50 M solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 40.0 °C. Which electrode will be...
O GASES, LIQUIDS AND SOLIDS Using heat of fusion or vaporization to find the heat needed to m... Calculate the amount of heat needed to boil 68.6 g of hexane (CH), beginning from a temperature of 57.5 °C. Be sure your answer has a unit symbol and the correct number of significant digits. x 6 ?
III O ELECTROCHEMISTRY Using the Nernst equation to calculate nonstandard cell voltage A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2Cr + (aq) +3Ca (s) -- 2Cr (s) +3Ca²+ (aq) 2+ Suppose the cell is prepared with 0.699 M Cr3+ in one half-cell and 6.35 M Ca? in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. 미미 X ? Check
O ELECTROCHEMISTRY Calculating standard reaction free energy from standard reducti... Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG for the following redox reaction. Round your answer to 4 significant digits. Zn (s)+2HNO, (aq) + 2H* (aq)- Zn2 (aq) + 2NO (@) +2H,O () ? X
O ELECTROCHEMISTRY Understanding concentration cells A certain metal M forms a soluble nitrate salt MNO. Suppose the left half cell of a galvanic cell apparatus is filled with a 3.50 M solution of MNO, and the right half cell with a 1.75 mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 35.0 °C. O left Which electrode will...