# 0.222g Of A Divalent Metal Is Deposited When A Current Of 0.45 Amperes Is Passed Through A Solution Of It's Salt For 25 Minutes Using Appropriate Electrodes. Calculate The Relative Atomic Mass Of The Metal. (1 Faraday =96500c/mol)

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1. ## Math

Help po kong paano ma sasagot po eto the current I varies directly as the electromotive force E and inversely as the resistance R. If a current of 30 amperes flows through a system with 16 ohms resistance and electromotive force a 120 volts,find the

2. ## Chem

How many grams of Ni would be electroplated if a constant current of 7.2 amperes is passed through a solution of NiSO4 for 90.0 min?

3. ## CHEMISTRY HELP !!!! CHECK !!!

Al3+ is reduced to Al(s) at an electrode. If a current of 2.75 ampere is passed for 36 hours, what mass of aluminum is deposited at the electrode? Assume 100% current efficiency. a. 9.2 x 10β3 g b. 3.3 x 101 g c. 9.9 x 101 g d. 1.0 x 102 g e. 3.0 x 102 g

4. ## Chemistry

0.222g Of A Divalent Metal Is Deposited When A Current Of 0.45 Amperes Is Passed Through A Solution Of It's Salt For 25 Minutes Using Appropriate Electrodes. Calculate The Relative Atomic Mass Of The Metal. (1 Faraday =96500c/mol)

5. ## SCIENCE(CHEMISTRY)

calculate the mass of silver deposited when a current of 2.6a is passed through a solution of a silver salt for 70mins ag=108,1 faraday 96500

6. ## Chemistry

A current of 45A is pass through a solution of gold salt for 1hours 45minute. Calculate Mass of gold deposited, b) number of mole deposited c) if the same current is used find the time taken for 5.5g to be deposited

7. ## Chemistry

A current of 0.80 A was applied to an electrolytic cell containing molten CdCl2 for 2.5 hours. Calculate the mass (in grams) of cadmium metal deposited. [Enter only numbers in the blank.]

8. ## mathematics

the current (L) in im amperes varies inversely as the resistance R in ohms ,if the the current is 30 amperes when the resistance is 3 ohms,what is the current when the resistance is 6 ohms

9. ## Chemistry

0.222g of a divalent metal is deposited when a current of 0.45ampere is passed through a solution of salt for 25min. Calculate the relative atomic mass of the metal

10. ## Chem

How long must a constant current of 50.0 A be passed through an electrolytic cell containing aqueous Cu2+ ions to produce 4.00 moles of copper metal?

11. ## chemistry

A current of 45A is passing through a solution of gold salt for 1:45 minutes a)calculate the mass of AU deposited b )number of mass deposited c) if the same current is use find the time taken for 5.5 g of the AU deposited

12. ## chemistry

What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 180.0 minutes using a constant current of 10.0 amperes? (One faraday = 96,500 coulombs.)

13. ## Chemistry

When 1914.8C of electricity was passed through two electrolytic cells connected in series 0.6g of a metal M1 was deposited in one of the electrolyte, if 2.14g of another metal M2 was deposited at the other cathode and the sum of the quantity required to

14. ## Chemistry

How many hours will it take to produce 78.0 g of Al metal by the reduction of Al3+ in an electrolytic cell with a current of 2.00 Amperes? [Enter only a number for your answer.]

15. ## Chemistry

A current of 45A is passed through a solution of gold salt for 1 hour 45 minutes calculate (a) the mass of gold deposited (b) the numbers of moles of gold deposited (c) if the same current is used, find the time taken for 5.5g of gold to be deposited

16. ## Chemistry 2

How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NICl2 for 60.0 minutes. Show all work. Please help!

17. ## Chemistry

A current is passed through three electrolytic cells containing silver trixonitrate(5),coppe(2)tetraoxonitrate(6) and brine respectively.if 12.7g of copper are deposited in the second electrolytic cell.calculate(a)the mass of silver deposited in d first

18. ## Math

The current, I, in amperes, for an electric circuit is given by the formula I=4.3sin120(pi)t, where t is time, in seconds. a)At what time is the current at its max volume? How does your understanding of co terminal angles help in your solution? b)What time

19. ## Chemistry

what mass of silver is deposited when n current of 2.6A is passed through a solution of silversalt for 40 minutes? (Ag=108, F=96500C

20. ## Chemistry

How many grams of copper are deposited on the cathode of an electrolytic cell if an electric current of 2.00 A is passed through a solution of CuSO4 for a period of 19.0 min?

21. ## math

a. The power of an electric appliance is given by the formula P=I^2R, where I is the current and R is resistance. Use this information to explain how you can use radicals to determine the current if the power and the resistance is given. b. Find the

22. ## Physics

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 8A (amperes), the resistance is 15 ohms. What is the current when the resistance is 4 ohms?

23. ## Algebra

In a 120 volt electrical circuit having a resistance of 16 ohms, the available power P in watts is a function of I, the amount of current flowing in amperes. If P(I)=120I-16I^2, how many amperes will produce the maximum power in the circuit? What is the

24. ## Math

Amperes (abbreviated amp) measure the strength of electric current. An ohm is the unit of electrical resistance. In an electric circuit, the current varies inversely as the resistance. If the current is 24 amps when the resistance is 20 ohms, find the

25. ## NEED HELP! CHEMISTRY

Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are

26. ## physics

five resistors of 30 ohms each are connected in parallel across a 120 volt line. the combined resistance of the five resistors is ___ ohms. The total current in the circuit is ___ amperes. The current in each branch is ___ amperes. How do I set these up:?

27. ## calculus

The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let t denote time in seconds.

28. ## chemistry

(1) The same quantity of electricity is passed through 2voltameters connected in series, one copper voltmeter with copper electrode in a copper(ii) tetraoxosulphate(vi) solution. The other platinum electrode in a dilute solution of tetraoxosulphate (vi)

29. ## Calculus

Voltage V(volts),current I(amperes)and resistance R(ohms)of an electric circuit have equation V=IR, suppose that R increases at rate 1/2 ohm/sec. Find the rate at which the current decreases when I=2 amperes and V is kept constant at 10 volts.

30. ## Chemistry

A current of 4.00 A is passed through a solution of AgNO3 for 1.00 hr. What mass of silver is deposited at the cathode? (In grams) Use Faraday's constant F = 9.65x10^4 C/mol

31. ## Chemistry

How long must a constant current of 50.0 A be passed through an electrolytic cell containing aqueous Cu2+ ions to produce 3.00 moles of copper metal?

32. ## Algebra II

The current i in a certain circuit is given by i=6.25e^-125t (amperes) where t is the time in seconds. At what time will the current be 1.00 A?

33. ## college chemistry

A zinc-copper battery is constructed as follows: Zn | Zn+2(0.10 M) || Cu+2 (2.50 M)| Cu The mass of each electrode is 200.0 g. Each half cell contains 1.00 liter of solution. a) Calculate the cell potential when this battery is first connected. b)

34. ## Chemistry

A current of 45A is passed through a solution of gold salt for 1hour 45 minutes; Calculate (a)The mass of gold deposited (b)The number of moles of gold deposits d (c)If the same current is used, find the time taken for 5.5g of gold to be deposited (Au=197,

35. ## chemistry

Calculate the amount of silver deposited at cathod when 5 ampere of current is passed for 50 minutes through a solution of AgNO3

36. ## AP Chemistry

This questions has 5 parts but I already have the answers for a and b. I need help on the last three parts. In an electrolytic cell, a current of 0.250 ampere is passed through a solution of a chloride of iron producing Fe(s) and Cl2(g). a) write the

37. ## CHEMISTRY HELP !!!!

Al3+ is reduced to Al(s) at an electrode. If a current of 2.75 ampere is passed for 36 hours, what mass of aluminum is deposited at the electrode? Assume 100% current efficiency. a. 9.2 x 10β3 g b. 3.3 x 101 g c. 9.9 x 101 g d. 1.0 x 102 g e. 3.0 x 102 g

38. ## chemistry

1. A current of 3.0A deposited 2.0g of a metal in 20 minutes. (a) calculate the mass of the metal deposited by 1 faraday. (b) determine the atomic mas of the metals given that it is trivalent. [1 faraday =96500c] 2. A quantity of 3.35g of a certain group

39. ## chemistry

Calculate the weight of metal deposited when a current of 15 A with 75% current efficiency is passed through the cell for 2 hours. (Given : Z = 0.0004)

40. ## Calculus

A. In a circuit with resistance 10 ohms, power π (measured in watts) is equal to 10πΌ^2 , where πΌ is the current measured in amperes. When πΌ=6 amperes, what is the rate of change of π with respect to πΌ ? B. If we additionally know that

41. ## AP Chemistry

An unknown metal M forms a soluble compound, M(NO3)2. A solution of M(NO3)2 is electrolyzed. When a constant current of 2.5 amperes is applied for 35 minutes, 3.06 grams of the metal M is deposited. Calculate the molar mass of M and identify the metal.

42. ## Chemistry

0.45g of metal was deposited when a current of 1.8A is passed through a solution of its salt of 12.5m using appropriate electrode?

43. ## Physical Chemistry

Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are

44. ## Chemistry

For how long must a current of 1.5 ampares be passed through an aqueous solution of a copper salt .during electrolysis in order to deposited 2.50g of copper (cu 63.5)?

45. ## chemistry

calculate the mass of copper deposited when a current of 0.5 amphere was passed through a solution of copper (ii) chloride for 45 minutes in an electrolytic cell (eu=63.IF=96500C)

46. ## beginning algebra

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 8A (amperes), the resistance is 15 ohms. What is the current when the resistance is 4 ohms?

47. ## Algebra

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that the current is 23 A (amperes) the resistance is 10 ohms. What is the current when the resistance is 46 ohms?

48. ## Mathematics

0.222g of a divalent metal is deposited when a current of 0.45A is passed through a solution of its sent for 25mins. Calc the relative atomic mass of the metal (If accuracy =96500 coulombs)

49. ## Chemistry

0.3975 g of an oxide of divalent metal on reduction with hydrogen gives 0.090 g of water. The atomic weight of metal is: a) 63.5 b) 24 c) 55.5 d) 40

50. ## Chemistry

A current of 4.5A passed through a gold salt for 1h45min,(a) calculate the mass of gold deposited,(b) calculate the number of mole of gold deposited

51. ## Pre Calculus

The electricity in your house is alternating current because the current varies sinusoidally with time. The frequency of sinusoid is 60 cycles per second. Suppose at Time = 0 seconds the current is at its max of 5 amperes. Write an equation expressing

52. ## math

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 2A (amperes), the resistance is 115ohms. What is the resistance when the current is 5A ?

53. ## math

The current I in an electrical conductor varies inversely as the resistance r of the conductor. The current is 6 amperes when the resistance is 920 0hms , what is the current when the resistance is 560 ohms

54. ## math

A balanced 3-phase load draws 120 amperes line current at 230V line to line, 0.848 pf lagging current. Solve for real power. *

55. ## magnets

metal spring can be used as a solenoid. The spring is stretched slightly, and a current is passed through it.what will happen to the spring in the resulting magnetic field will cause the spring

56. ## chemistry..

(1) The same quantity of electricity is passed through 2voltameters connected in series, one copper voltmeter with copper electrode in a copper(ii) tetraoxosulphate(vi) solution. The other platinum electrode in a dilute solution of tetraoxosulphate (vi)

57. ## Chemistry

A solution of H2SO4 was electrolyzed using the inert platinum electrodes. A) Write the balanced half-reactions for the anode and cathode in this cell. B) How many coulombs passed through the cell in 90 minutes at 8.0 amperes? C) How many moles of electrons

58. ## chemistry

What amount of current, in amperes, would be required to deposit 19.7 g of Au metal in 1.00 hour from a solution of Au(NO3)3?

59. ## Physics

If 3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge

60. ## Physics

If 3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge

61. ## chemistry

A current of 5A was passed through a solution of nickel (1)(1))salt.find the time taken for 6g of nickel to be deposited

62. ## chemistry

what mass of copper is deposited from copper sulfate when a current of 0.22 A is passed through the solution for 15 minute

63. ## Physics

Calculate the amount of copper deposited in a zinc/Copper electrode of electrolytic cell when 2.5A of electric current is passed in 10 minutes?

64. ## Chemistry

Calculate the mass of a silver deposited when a current of 1.5A passed through a solution of a silver salt for 70 minutes (Ag=108,line Friday=96500c

65. ## math

The equation P=240I-8I^2 represents the power, P, (in watts) of a 240 volt circuit with a resistance of 8 ohms when a current of I amperes is passing through the circuit. (a)Find the maximum power (in watts)that can be delivered in this circuit. (Find the

66. ## nwfsc

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 20 A (amperes), the resistance is 7 ohms. What is the resistance when the current is 14 A ?

67. ## math

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 2A (amperes), the resistance is 115ohms. What is the resistance when the current is 5A ?

68. ## Gen Chem

A current is passed through two cells connected in series. The half-reactions occurring at the cathode of each cell are TcO4-(aq) + 8 H+(aq) + 7 e- ===> Tc(s) + 4 H2O(l) and Cu2+(aq) + 2 e- ===> Cu(s). If 4.40 g of copper are deposited in the second cell,

69. ## chemistry

Calculate the current that must be passed into a solution of copper(ii)salt for 70sec in order to deposit 29gram of copper metal which atomic mass of copper is for 64

70. ## ALG WORD PROBLEM

The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 9 amperes when the resistance is 940 ohms. What is the current when the resistance is 580 ohms? Thank you yet again. Almost through with this

71. ## Chemistry HELP URGENT PLEASE!!!

what current (in amperes) is required to plate out 2.85 g of Cr from a Cr^3+ solution in a period of 2.50 hr?

72. ## chemistry

0.222g of a divalent metal is deposited when a current of 0.45ampere is passed through a solution of its salt for 25min using appropriate electrodes calculate the relative atomic mass of the metal

73. ## Chemistry

Please Help me solve this question If 0.22grams of a divalent metal is deposited when a current of 0.45ampere is passed through a solution of a salt for 25 minutes. Using appropriate electrodes, calculate the relative atomic mass of the metal.

74. ## Chem

What equation can I use to solve this kind of problem? A metal undergoes electrolytic reduction according to ne- + Mn+ ===> M. What current (in AmpΓ¨res) must be provided to deposit the metal at a rate of 1.914 mol/hr if n = 3?

75. ## Chemistry

A current of 2 Amperes is past for 30minutes. Calculate the mass of sodium and the mass of copper deposited.

76. ## chemistry

for how long must a current of 1.5 amperes be passed through an aqueous solution of a copper salt during electrolysis in order to deposit 2.50g of copper (cu=63.5)

77. ## Physics

If 3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge

78. ## Chemistry physics

3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge

79. ## Calculus

In a circuit with resistance 10 ohms, power π (measured in watts) is equal to 10πΌ2 , where πΌ is the current measured in amperes. When πΌ=6 amperes, what is the rate of change of π with respect to πΌ ?

80. ## Science

Find the mass of silver deposited when a current of 4.6A is passed through a solution of silver salt for 85min

81. ## chemistry

calculate the mass of silver deposited when a current of 3ampere is passed through a solution of a silver salt for 7minutes

82. ## Physics

Consider a simple alternating current generator such as Hippolyte Pixii's dynamo. The current generated by such dynamo can be described as simple oscillating cosine signal. Assuming for simplicity that the max current generated each time a pole of Pixii's

83. ## Science

What are fuses and why do they come in different sizes? Fuses are devices placed in electrical circuits as protection for those circuits. They consist of small pieces of wire, sometime as ribbons, and are placed in series with the circuit so that the

84. ## Chemistry

A synthesis yielded 222g of phosphoric acid. How many moles of phosphoric acid were produced? I keep dividing 222g/98g (molar mass) which gives me 2.265. Every time I put the answer in, it tells me I am wrong.

85. ## math

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 2A (amperes), the resistance is 115ohms. What is the resistance when the current is 5A ?

86. ## Physical Science

I am working on PS and I have a couple of questions. 1) If 24 amperes of current flows through an appliance connected to a 120-volt circuit what is the resistance of the appliance. A).22 ohms b)5 ohms c)50 ohms d)2880 ohms I am not sure how to go about

87. ## science

solution for the equation 0.222g of a divalent metal is deposited when a current of 0.45 ampere is passed through a solution of it salt for 25 minutes using appropriate electrode calculate the relative atomic mass of the metal (if 96500c)

88. ## chemistry

0.222g of a divalents metal is deposited when a current of 0.45a is passed through a solution of it salts for 25mins calculate the relative atomic mass of the metal (1faraday =96500c)

89. ## physics

During electrolysis, 2.0 g of a metal is deposited using a current of 0.4A in 6 hours. The mass of the same metal which can be deposited using a current of 1.5A in 2 hour is?

90. ## science (circuits)

A students finds a resistance in a transistor radio. When the resistance is connected to a battery of 1.5 volts, the current is 0.0025 amperes. When the resistance is connected to four batteries with a voltage of 1.5 volts, the current measures to be 0.1

91. ## chemistry

Molten Al2O3 is reduced by electrolysis at low potentials and high currents. If 1.5 x 10^4 amperes of current is passed through molten Al2O3 for 8.0 hours, what mass of Al is produced? Assume 100% current efficiency? Mdep = ([1.5 x 10^ x 28800s ]/ 96500) x

92. ## chemistry

A current of 4.5A passed through a gold salt for 1h45min,(a) calculate the mass of gold deposited(b) calculate the number of mole of gold deposited

93. ## Chemistry

An excess of a divalent metal M

94. ## chemistry

what mass of silver is deposited when an current of 2.6A is passed through a solution of silversalt for 40 minutes? (AG =108,F=96500C)

95. ## Chemistry

A current of 96.5 amperes is passed for 18 minutes between nickel electrodes in 500 ml solution of 0.2M nickel nitrate.the molarity of solution after electrolysis is

96. ## Science

Calculate the mass of silver deposited when a current of 2.6 A ls passed through a solution of silver salt for 70 minutes. (Ag=108; 1 faraday=96 500 c)

97. ## biology

Chemistry Calculate the mass of silver deposited when a current of 2.6A is passed through a solution of a silver salt for 70minutes. (Ag=108;1faraday=96500C)

98. ## magnetis

A metal spring can be used as a solenoid. The spring is stretched slightly, and a current is passed through it. The resulting magnetic field will cause the spring to a. collapse (shorten) b. stretch (lengthen) c. not change (nothing happens) d. ranslate

99. ## Physics II

In resistance welding, a pair of electrodes presses two sheets of metal together. Heat from the passege of current melts the metal sheets where they are in contact between the electrodes to form a weld. What potential difference is needed to produce a

100. ## Physics

The maximum current in an AC circuit is 3.0 Amperes. What is the rms value of the current in the AC circuit? 0.5 A 2.1 A 3.0 A 4.2 A My answer is 2.1A.