4. In case of an process, the temperature of the system increases b. adiabatic compression c. isothermal expansion d. isothermal compression a. adiabatic expansion 5. A 25.0 gram sample of a compound contains 6.64 grams of potassium (K, at.wt. = 39.1), 8.84 grams of chromium (Cr, at.wt. = 52.0), and 9.52 grams of oxygen (O, at.wt. = 16.0). The empirical formula of this compound is a. K₂Cr₂O7 c. K3CrO3 d. K₂Cr₂0₂ b. K₂CRO4 e. KCrO4 6. On what electrode and What mass (in gram) of chlorine gas could be released from a solution of nickel(II) chloride by a current of 0.25 amperes flowing for 10 hours? (At. Wt Cl=35.5g/mol). a. 3.311gm on cathode c. 3.311gm on anode b. 6.603gm on anode d. 6.603gm on cathode
4. In case of an process, the temperature of the system increases b. adiabatic compression c. isothermal expansion d. isothermal compression a. adiabatic expansion 5. A 25.0 gram sample of a compound contains 6.64 grams of potassium (K, at.wt. = 39.1), 8.84 grams of chromium (Cr, at.wt. = 52.0), and 9.52 grams of oxygen (O, at.wt. = 16.0). The empirical formula of this compound is a. K₂Cr₂O7 c. K3CrO3 d. K₂Cr₂0₂ b. K₂CRO4 e. KCrO4 6. On what electrode and What mass (in gram) of chlorine gas could be released from a solution of nickel(II) chloride by a current of 0.25 amperes flowing for 10 hours? (At. Wt Cl=35.5g/mol). a. 3.311gm on cathode c. 3.311gm on anode b. 6.603gm on anode d. 6.603gm on cathode
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.90E
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