Explain how many atoms of gold are present in the coin

Assignment Help Chemistry
Reference no: EM13234635

A rare gold coin (24 karat, or 100% gold) has a mass of 25.54 g. How many atoms of gold are present in this coin

Reference no: EM13234635

Questions Cloud

What can monsanto do to alleviate stakeholder concerns : What can Monsanto do to alleviate stakeholder concerns? How could these actions be woven into the marketing strategy for the company's products?
Explain magnesium metal is used as a sacrificial anode : Magnesium metal is used as a sacrificial anode to reduce the corrosion of underground storage tanks (made of iron, or more accurately, steel which is an iron/carbon alloy). As a result the sacrificial metal corrodes instead of the iron. Explain th..
How easy or difficult would it be initiate such advantages : More generally, to what extent do specific technologies help companies gain an edge over their competitors? How easy or difficult would it be to initiate such advantages?
What is the magnitude of the average velocity of the storm : A meteorologist tracks the movement of a thunderstorm with Doppler radar, What is the direction of the average velocity of the storm
Explain how many atoms of gold are present in the coin : A rare gold coin (24 karat, or 100% gold) has a mass of 25.54 g. How many atoms of gold are present in this coin
Explain why evaluating training is important : Training and development is an important part of employee development. Explain why evaluating training is important. Be sure to discuss the relevance of Kirkpatrick's evaluation process.
Describe an industry that would meet conditions of industry : The shape of the long-run cost curve is determined by economies and diseconomies of scale. Contrast this curve with the short-run cost curve as it relates to increasing and diminishing marginal returns to labor.
Compute the enthalpy per mole of sodium hydroxide : Calculate the enthalpy per mole of sodium hydroxide for the dissolution process. Assume the specific heat of the solution is the same as that for pure water.
Write program calculates and prints the average several int : Write a program that calculates and prints the average of several integers. Assume the last value read with scanf is the sentinel 9999

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the ph of the solution made by adding water

Calculate the pH of the solution made by adding 0.50 mol of HOBr and 0.30 mol of KOBr to 1.00 L of water.

  Explain hot metal sample cooled off

Would your calculation of the atomic mass of the metal be too high or too low if your hot metal sample cooled off, unbeknownst to you, while being transferred to the calorimeter?

  How many moles of ammonia gas would be produced

If 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm. and 500 C, how many moles of ammonia gas would be produced, assuming a 15% yield?

  Determine the mass of this substance

Determine the mass of this substance should evaporate in order to freeze 190 grams of water at 25 degree Celsius initially? It is given that the heat of fusion H 2 O= 334 specific heat of H 2 O= 4.18

  Calculate q w delta u and delta h

Calculate q,w,delta U and Delta H for each segment and for the cycle in which the direction of each process is reversed. In the graph all it says is the P initial =16.6 bar and Vinitial=1.00L and P final=16.6 bar and V final =25L

  Explain nicotine is a poisonous and addictive compound

Nicotine is a poisonous, addictive compound found in tobacco. A sample of nicotine contains 6.16 mmol C, 8.56 mmol H, and 1.23 mmol N ( mmol = millimol = 10-3 mol).

  What is the formula for magnesium chlorate

If the formula for magnesium fluoride is MgF 2 and the formula for potassium chlorate is KClO 3 , then what is the formula for magnesium chlorate?

  What is the concentration of ethylene glycol

A solution is prepared by mixing 66.7 g H2O with 33.3 g HOCH2CH2OH (ethylene glycol). What is the concentration of ethylene glycol in units of molality? The molar masses of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively

  Compute the volume of 1m solution of hcl

Calculate the volume of 1M solution of HCL needed for 1 unit shift of the pH of the following solutions: A. 100 mL of 0.01 M solution weak acid (pKa = 6) and 0.05 M of its sodium salt

  State ionic and net ionic equations

Write ionic and net ionic equations to show how limestone reacts with HNO3 and H2SO4 to neutralize them. How would you be able to tell if the neutralization process was working

  How many moles of n2o3 are needed

How many moles of N2O3 are needed so that you have 2.55 x 1024 oxygen atoms.

  Explain what is the mole fraction of naphthalene

At 40°C, the vapor pressure of heptane is 92 torr. If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.

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