Chemistry Middle School

9. Mixing baking soda and vinegar leaves behind water and salt. This is an example of mixing ________ and __________. Is it a chemical or physical reaction?

Answers

Answer 1

Answer:

Mixing baking soda and vinegar is a chemical reaction. I’m not so sure about the fill in the blanks.

Explanation:

It is a chemical change due to the formation of gas and the change in temp.

Answer 2
It is a chemical reaction

Related Questions

What do cuticles do for land plants that were not necessary for ancestors that lived in the water?

Cuticles allow them to grow bigger and taller.
Cuticles help them transport water.
Cuticles help prevent water loss.
Cuticles allow the performance of photosynthesis.
HELP PLS AND THX

Answers

Answer:prevention of water loss would be unnecessary

Explanation:

edge 2021

Cuticles are protective lining in the epidermal layer of plants. Cuticles helps to reduce water loss and protect the plants from environmental stresses.

What is cuticles?

Cuticle is an organism's external layer or area that makes touch with the environment. The epidermis secretes the dead, noncellular cuticle in many invertebrate species. In humans, the cuticle is the epidermis, and this layer may include colours and chitin, similar to arthropods.

The cuticle is a protective coating that protects the epidermal cells of leaves and other organs while preventing water loss in some higher plants.

It is made up of cutin, a waxy, water-repellent compound related to suberin that is present in the corky tissue's cell walls. Hence, option c is correct.

Find more on cuticles:

https://brainly.com/question/28578072

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⚠️An irregular piece of iron has a mass of 78.7 grams. When placed in a graduated cylinder with 30 mL of water, the water rises to the 35 mL ​⚠️

Answers

Answer:

The density of the iron is: 15.74g/cm3

Explanation:

-To determine the density of something, you have to divide the mass and the vol.

-mass/volume = density or, m/v = d

-The mass of the iron is: 78.7 grams

-The volume of the iron is 5mL

In order to find the density, you have to divide:

m/v = d

78.7g ÷ 5mL = 15.74

Hope This Helps (:

The density of the iron is 15.74 g/cm3
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