User Account

All Pages

Analysis of a breath sample generates

Assignment Help Chemistry
Reference no: EM131489620

Breathalyzers determine the alcohol content in a person's breath by the following (unbalanced) redox reaction:

C2H5OH + Cr2O72- → CH3CO2H + Cr3+ (acidic solution) If analysis of a breath sample generates 7.70 x 10-4 M Cr3+ ions in 40.0 mL, how many mg of alcohol did it contain?

Reference no: EM131489620

Questions Cloud

Analyzes the role of religion in the era of globalization : Please write an essay between 500-700 words that analyzes the role of religion in the era of globalization
Reaction between strontium and magnesium : If the equilibrium constant (Keq) equals 2.62x1012 for the following reaction between strontium and magnesium:
Which is provided by a mercury battery whose net reaction : A digital watch battery draws 0.25 milliamperes of current, which is provided by a mercury battery whose net reaction is:
Identify the purpose of collective bargaining : Explain why a college degree can lead to higher wages.
Analysis of a breath sample generates : If analysis of a breath sample generates 7.70 x 10-4 M Cr3+ ions in 40.0 mL, how many mg of alcohol did it contain?
Why men and women are said to have human capital differences : List the approaches to resolving a deadlock between a union and a company's management.
Joules of heat are necessary to raise the temperature : How many joules of heat are necessary to raise the temperature of 350ml of water from 1.00 °C to 5.00 °C?
What implications did this have for superpower relations : What did Gorbachev mean by "de-ideologizing relations among states? What implications did this have for superpower relations
Identify the original intent of the minimum wage : Describe two corrective measures being taken to close the income gap between men and women workers.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain why is ch4 nonpolar whereas ch3cl is polar

The molecules CH4 and CH3Cl both have tetrahedral shapes. Why is CH4 nonpolar whereas CH3Cl is polar

  Explain h2s and h2o have similar structures

H2S and H2O have similar structures and thier central atoms belong to the same group. Yet H2S is a gas at room temperature and H2O is a liquid. Use bonding principles to explai why this is. What is the difference between H2O and H2S

  Find the pressure and temperature at the inlet to the engine

An aircraft is flying at Mach 0.95 at an altitude where the pressure is 30 kPa and the temperature is -50°C. The diffuser at the intake to the engine decreases.

  Define what is the temperature of the gas

Consider another expandable balloon is filled with nitrogen gas. The density of the gas is 1.24 g/L and the outside pressure is 1.05 atm. What is the temperature of the gas?

  What mass of carbon dioxide was produced

When 14.4g of carbon were burned in the presence of 55.1g of oxygen, 16.7g of oxygen remained unreacted. What mass of carbon dioxide was produced?

  Define what is the activation energy for the reaction

The rate constant for the production of glucose from cellulose with a newly developed catalyst was found to vary with temperature as shown by the data in teh following table. What is the activation energy for this reaction

  Explain what is the value of q for the system

Calculate the equilibrium pressures of all species. What is the value of Q for this system

  Determine how much oxygen in grams is formed

Sodium peroxide (Na2O2) reacts with water to form sodium hydroxide and oxygen gas. Write a balanced equation for the reaction and determine how much oxygen in grams

  Explain a certain reaction has an activation energy

A certain reaction has an activation energy of 70.0 kj/mol and a frequency of factor A1=7.80*10^12 M^-1 s^-1. what is the rate constant, k of this reaction at 24.0 degrees celcius.

  Evaluate the ph of a solution that contains formic acid

Calculate the pH of a solution that contains 0.050 M formic acid and 0.10 M sodium formate.

  Normal boiling point of o-xylene

At the normal boiling point of o-xylene, ΔH°vap = 36.2 kJ/mol and ΔS°vap = 86.7 J/(mol • K). What is the normal boiling point of o-xylene?

  State an irreversible isothermal expansion

Write any assumptions you make. Calculate the total work of this expansion. If this expansion were reversible, what would the value be?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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