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amm1812
3 years ago
14

1. From your best fit equation, calculate the pressure of the air inside the test tube if it were

Chemistry
1 answer:
neonofarm [45]3 years ago
3 0
13235 the gahhh ya fly if ftcvjfjdjdhhdhdgdbdhhffhdhhdhfhfhfhhrvrhdbdbbdndnbdbfbbfbfhhfjfnfj
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A patient in need of treatment for the correction of a malocclusion would visit a/an
wariber [46]
A malocclusion is the t<span>he unusual alignment of the upper and lower teeth. The patient should visit an ORTHODONTIST to get his teeth corrected.</span>
4 0
3 years ago
1. Classify each of the following as a homogeneous or heterogeneous substance.
Olegator [25]

a. iron ore  - heterogeneous substance

(it contains a mixture of iron oxides)

b. quartz  - homogeneous substance

(it is the crystalline silicon dioxide SiO₂, which is a very pure form of SiO₂)

c. granite  - heterogeneous substance

(it as mixture of different oxides, mainly aluminium and silicon oxides)

d. energy drink  - heterogeneous substance

(a mixture of water, sugar, carbon dioxide and different substances that may boost concentration, like caffeine)

e. oil-and-vinegar salad dressing  - heterogeneous substance

(this salad dressing of oil and vinegar is composed of unsaturated triglycerides, acetic acid and water)

f. salt  - homogeneous substance

(sodium chloride NaCl)

g. rainwater  - homogeneous substance

(assuming the the atmosphere is clean, it is just pure water H₂O)

h. nitrogen - homogeneous substance

(it is the main component of air and it is a diatomic molecule N₂)

7 0
3 years ago
Read 2 more answers
Plant cells have a large central vacuole, which animal cells lack. What function does this organelle perform?
Lapatulllka [165]
The central vacuole stores materials, wastes, and helps give the plant structure and support.

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5 0
4 years ago
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PLEASE HURRY!!!
bekas [8.4K]

Answer:

high ph -basic,low pH -acidic

Explanation:

hi I'm from India nice to meet you

5 0
3 years ago
Which statements describe the six elements found in all living things? Check all that apply.
vovangra [49]

Answer:

Carbon is the basis of all living things

Nitrogen is found in certain foods

Oxygen and hydrogen combine with each other to form water

Carbon, oxygen, hydrogen, nitrogen, phosphorus and sulfur are found in organic compounds

Explanation:

We are all made up of mainly three elements, Carbon, Hydrogen, and Oxygen. These three elements are found in every living organism on our planet, and along with a few trace elements, they make up all the nutrients we take in and use to build our bodies and survive.

Nitrogen is primarily found in meats, and this is because nitrogen is a key element in amino acids (which are used to build proteins), however we cannot directly assimilate nitrogen from the air, so we have to assimilate it through amino acids already synthesized in plants, or in proteins found in meat.

The chemical formula for water is H₂O. Seeing the chemical formula, it is obvious that hydrogen and oxygen are the only elements in the water molecule.

In our bodies, we use phosphorus to form our skeleton and help maintain it, sulfur and nitrogen can be found in some amino acids, and carbon, hydrogen and oxygen can be found in carbohydrates, lipids and proteins.

3 0
3 years ago
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