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

Author Question: A refrigerator delays the spoilage of food by A) killing microorganisms. B) slowing down the ... (Read 214 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
on: Jul 29, 2018
A refrigerator delays the spoilage of food by
 
  A) killing microorganisms.
  B) slowing down the rate of chemical reactions within microorganisms.
  C) expanding the water found within microorganisms.
  D) diminishing the supply of oxygen to microorganisms.

Question 2

Why might increasing the concentration of a set of reactants increase the rate of reaction?
 
  A) You have increased the chances that any two reactant molecules will collide and react.
  B) You have increased the ratio of reactants to products.
  C) The concentration of reactants is unrelated to the rate of reaction.
  D) The rate of reaction depends only on the mass of the atoms and therefore increases as you increase the mass of the reactants.
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joewallace

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


bio_gurl

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


joewallace

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Campylobacter bacteria are found in most chicken meat. If chicken meat is not well cooked or raw mea Campylobacter bacteria are found in most chicken meat. If chicken meat is not well cooked or raw mea
Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another. Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
Prairie food web Prairie food web
Mexican Food Mexican Food
As the world’s population continues to grow, demands on limited resources for food production As the world’s population continues to grow, demands on limited resources for food production
Food Insecurity among Us—and How You Can Help! Food Insecurity among Us—and How You Can Help!
Video: Acids and bases - definition

For a complete list of videos, visit our video library