Evaluate the avogadro''s number

Assignment Help Chemistry
Reference no: EM13251419

A galvanic cell Zn / Zn2+ // Cu2+ / Cu generates a current of 4.00 Amperes for 1.00 hour. The cathode increases in mass by 10.0g . If charge on an electron is 1.602 x 10-19 coulombs/ electron.

Calculate the Avogadro's number using these experimental data.

How many grams the anode mass should decrease?

Reference no: EM13251419

Questions Cloud

Find mva supplied by each of remaining two transformers : Three single-phase two-winding transformers, each rated 25 MVA, 34.5/13.8 kV, are connected to form a three-phase bank. Balance positive-sequence voltages are applied the high voltage terminals, and a balanced, resistive Y load connected
What is gender discrimination : what is gender discrimination? and how does it affect organizational behaviors?
What is sexual harassment : what is sexual harassment and how does it affect organisational behaviour?
Create a scenario in which a merger be a viable strategy : Create a detailed scenario in which a merger or acquisition would be a viable strategy to implement. Consider who the merger or acquisition would involve, the market conditions making it a good choice, and the type of strategy that would make it a..
Evaluate the avogadro''s number : A galvanic cell Zn / Zn2+ // Cu2+ / Cu generates a current of 4.00 Amperes for 1.00 hour. The cathode increases in mass by 10.0g . If charge on an electron is 1.602 x 10-19 coulombs/ electron. Calculate the Avogadro's number using these experimenta..
Analyze walmarts financial performance : Analyze walmart's financial performance to determine the link between the company's strategic goals, strategy, and its financial performance.
How to modify the circuit to eliminate the hazard : Assume that the inverters have a delay of 1 ns and the other gates have a delay of 2ns. Initially A = 0 and B = C = D = 1, and C changes to 0 at time = 2ns. Draw a timing diagram and identify the transient that occurs.
State net ionic equation and half reactions : Calculate the E0 for the following reaction by using the standard reduction potentials data in your lab manual. Write net ionic equation and half reactions of Cr2O72- oxidizing Sn2+ in acidic aqueous solution. Find an calculate their E0
Determine what is the quantization interval q : The range of an analog signal is 2 Vpp, and the samples of this signal are being quantized. The quantizer-output word size is 10 bit. What is the quantization interval Q

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what makes maleic acid

What makes Maleic acid (isomer of but-2-enedoic acid), very soluble in water and only sparingly soluble in CCl4

  Define the mass of the nitrogen molecule

Estimate the uncertainty in the position of one Nitrogen molecule (N2) traveling 300 +/- 0.2 (meters per second) Assume the mass of the nitrogen molecule is 4.65x10^-23 grams

  Compute change in energy

Using the Bohr equation for the energy of any level in a hydrogen atom, calculate the energy of each level, n=1 through n=8 and n=(infinity), f. Calculate change in Energy

  Write a balanced equation for the reaction of copper

Write a balanced equation for the reaction of copper with concentrated nitric acid to form copper(II) nitrate. assume that nitric acid is reduced to No2. water is also formed.

  State a balanced thermochemical equation

When Fe(s) reacts with HCl(aq) to form FeCl2(s) and H2(g), 7.40 kJ of energy are evolved for each mole of Fe(s) that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation.

  What would the volume be

If a balloon containing 1,200 L of gas at 25C and 760 mm Hg pressure ascends to an altitude where the pressure is 380 mm Hg and the temperature is 54C, the volume will be.

  Compute the new vapor pressure of iodine

Calculate the new vapor pressure of iodine at the same temperature when 100 bar of He gas is added to the container in which the iodine is held.

  How much energy (in calories) is needed

The specific heat of fat is 0.45 cal/(g C) and the density of fat is 0.94g/cm^3 . How much energy (in calories) is needed to heat 10cm^3 of fat from room temperature (25 C) to its melting point (35 C).

  How many grams of oxygen are needed to completely burn

How many grams of oxygen are required to completely burn 5.90 grams of C3H8 in the following unbalanced equation: C3H8+02

  Explain what is the molar concentration of oh

A sodium hydroxide solution is prepared by dissolving 4.0 g NaOH in 1.00 L of solution. What is the molar concentration of OH- in this solution? What are the pOH and the pH of the solution?

  How many moles of gas are present

an unknown gas sample is collected in a 255 ml countainer at 25c and 755 mm hg. how many moles of gas are present?

  Determine the number of pounds of water in the fish tank

A fish tank holds 30.0 gal of water. Using a density of 1.0 g/mL for water, determine the number of pounds of water in the fish tank.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd