This topic contains a solution. Click here to go to the answer

Author Question: In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional ... (Read 109 times)

jake

  • Hero Member
  • *****
  • Posts: 538

Question 1

A loaf of bread is removed from an oven at and cooled in a room whose temperature is .  If the bread cools to in 20 minutes, how much longer will it take the bread to cool to
◦ 24 min
◦ 17 min
◦ 5 min
◦ 4 min

Question 2

In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that , when t is measured in hours.  If there are of reactant present when t = 0, how many grams will be left after ?  Give your answer to the nearest tenth of a gram.
◦ 11 g
◦ 7.3 g
◦ 3.7 g
◦ 0.1 g


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jake on Dec 18, 2021

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
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 56% of students answer this correctly




jake

  • Member
  • Posts: 538
Reply 2 on: Dec 18, 2021
YES! Correct, THANKS for helping me on my review


Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

For a complete list of videos, visit our video library