This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How many half-lives are required for the concentration of reactant to decrease to 25% of its original value? (Read 33 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Nov 18, 2019

Question 1

Which of the following statements is FALSE?
◦ It is not possible to determine the rate of a reaction from its balanced equation.
◦ The average rate of a reaction decreases during a reaction.
◦ The rate of zero-order reactions is not dependent on concentration.
◦ The half-life of a first-order reaction is dependent on the initial concentration of reactant.
◦ None of the above statements is false.

Question 2

How many half-lives are required for the concentration of reactant to decrease to 25% of its original value?
◦ 2.5
◦ 1.5
◦ 1
◦ 2
◦ 3
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jrubin on Nov 18, 2019

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 55% of students answer this correctly


jrubin

  • Member
  • Posts: 552
Reply 2 on: Nov 18, 2019
Wow, this really help

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
Petrolisthes elongatus, the New Zealand half crab Petrolisthes elongatus, the New Zealand half crab
Cell Grown in 15N and 14 N: Graph of Relative DNA Concentration Vs. the Density Cell Grown in 15N and 14 N: Graph of Relative DNA Concentration Vs. the Density
Global climate change and CO2 concentration Global climate change and CO2 concentration
People with night eating syndrome may consume more than half their day's calories between 8 pm ... People with night eating syndrome may consume more than half their day's calories between 8 pm ...
What is the concentration, in mg/ml, of a solution containing 2mEq/ml of potassium chloride? What is the concentration, in mg/ml, of a solution containing 2mEq/ml of potassium chloride?
Video: Biological organic compounds

For a complete list of videos, visit our video library