Chemistry, 13.01.2020 19:31 brooke0713

Freshly cut surfaces of fruits and vegetables discolor when exposed to oxygen in the air. cut three slices of a fruit (apple) or vegetable (potato). leave one unwrapped on a plate. wrap one in plastic wrap. dip the other in lemon juice.

1. what changes took place in each sample after 1-2 hours?
2. define oxidation. why did wrapping or dipping in lemon juice affect the oxidation rate?
3. define reduction. what is a redox reaction?
4. explain how antioxidants such as vitamin e, citric acid, and bht are used in the foods we eat to preserve them. what are the benefits?

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 19:20, rider1738

What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force

Answers: 1

continue

Chemistry, 22.06.2019 00:30, rscott2649

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

Answers: 1

continue

Chemistry, 22.06.2019 04:40, shanicar33500

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

Answers: 1

continue

Chemistry, 22.06.2019 05:30, deee12345

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Answers: 1

continue

You know the right answer?

Freshly cut surfaces of fruits and vegetables discolor when exposed to oxygen in the air. cut three...