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 42 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

tranoy

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
Many older adults live active lives well into their eighties and beyond. Many older adults live active lives well into their eighties and beyond.
Fluidization - Concentration NaOH Chart Fluidization - Concentration NaOH Chart
In plant fossils, stomatal density is used to estimate CO2 concentration in the atmosphere In plant fossils, stomatal density is used to estimate CO2 concentration in the atmosphere
How much energy is required to form 141.8 g of Cl2, according to the reaction below? The molar ... How much energy is required to form 141.8 g of Cl2, according to the reaction below? The molar ...
Video: Brief Summary on Photosynthesis - Animation

For a complete list of videos, visit our video library