CHEMISTRY HIGH SCHOOL

All solids have an orderly internal structure with repeating bonding patterns between atoms, ions, or molecules. a. True
b. False

Answers

Answer 1
Answer:

the answer is false cause i tried true first and got it wrong.

Answer 2
Answer:

Answer:

False

Explanation:

Not all solids have an orderly internal structure, although some do which are called crystalline solids. Some examples are metals and table salt. Solids without a orderly internal structure are called amorphous solids. Examples of this are glass, plastics, and rubber.

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Pic provided: Which part is the amine?

Answers

The part which would indicate that this compound is amine is located in the upper part attached to the second carbon atom or the middle carbon atom. It is an NH2 attached to the carbon atom. Amine is a derivative of ammonia, where one hydrogen atom of the ammonia is being replace by an alkyl or aryl group. 

Matter is anything that has what?

Answers

Matter is anything that has mass and occupies space.

Anything that has physical or real existence is matter. Everything that exists in the known universe manifests itself as matter or energy.
Matter can be liquid, solid or gaseous. Examples of raw: paper, wood, air, water, stone.

Matter is anything that has mass and occupies space.

What is matter?

In science, matter is anything that has mass and occupies space. This means that matter has volume and mass.

Matter is made up of tiny particles called atoms. Atoms are the basic building blocks of matter. They are the smallest units of matter that can exist independently.

The properties of matter are determined by the composition of the atoms that make up the matter. For example, the boiling point of a liquid is determined by the strength of the intermolecular forces between the molecules of the liquid.

Learn about matter here brainly.com/question/3998772

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Fossil fuels are made by the decay of living things. Because living things are always dying and decaying, why are fossil fuels not a renewable source of energy?A.They can only be formed by decay of reptiles.

B.They can only be formed by decay of swamp plants.

C.They take millions of years to form.

D.They can only be formed deep under the sea.

Answers

The answer is: C. They take millions of years to form.

Fossil fuel is a fuel formed by anaerobic decomposition of buried dead organisms.

If there was oxygen the organic matter would not decomposed and formed oil and gas, because there would be reaction of oxidation.

The age of the organisms and their resulting fossil fuels is typically millions of years

Fossil fuel is mixture (solution) consist of several different hydrocarbons (alkanes, alkenes...), aromatic compounds.
c. they take millions of years to form

The chemical equation below shows the photosynthesis reaction. 6CO2 + 6H2O mc010-1.jpg C6H12O6 + 6O2 The molar mass of carbon dioxide (CO2) is 44.01 g/mol. The molar mass of water (H2O) is 18.01 g/mol. A reaction uses 528 g of CO2. How many moles of water are used in this reaction?

Answers

Answer:

12 mol of water

Explanation:

6CO_2 + 6H_2O \longrightarrow C_6H_(12)O_6 + 6O_2

First we must find the moles of CO2.

We know that 1 mole of co2 has a mass of 4.01 g so how many moles will there be in 528 g.

We apply a simple rule of three

44.01 g CO_2\longrightarrow 1 mol CO_2\n 528 g CO_2\longrightarrow x\nx= 528/44.01\nx=12 molCO_2

By stoichiometry we know that for every 6 moles of carbon dioxide 6 moles of water are needed, now if we have 12 moles of carbon dioxide how many moles of water will be needed  

We apply a simple rule of three

6 molCO_2 \longrightarrow 6 mol H_2O\n 12 mol CO_2 \longrightarrow x\nx= ((12).(6))/(6)\n x= 12 mol H_2O
Given:
6CO2 + 6H2O -> C6H12O6 + 6O2
molar mass of carbon dioxide (CO2) is 44.01 g/mol
molar mass of water (H2O) is 18.01 g/mol
528 g of CO2

Required:
moles of water

Solution:

528 g of CO2/ (44.01 g/mol CO2) = 12 moles CO2

12 moles CO2 (6 moles H2O/ 6 moles CO2) = 12 moles H2O

12 moles H2O (18.01 g/mol H2O) = 216.12 grams H2O

You have two bottles of water. One bottle is left outside in the sun for two hours. The other is left in an air-conditioned room for the same amount of time. What would you expect to observe after the two hours?The bottle left outside will have lower vapor pressure than the bottle from the room.

The bottle left outside will have the same vapor pressure as the bottle inside the room because they both contain water.

The bottle left outside will have higher vapor pressure than the bottle from the room.

No change to either bottle.

Answers

You have two bottles of water. One bottle is left outside in the sun for two hours. The other is left in an air-conditioned room for the same amount oftime. After 2 hours, I would expect that the bottle left outside will have higher vapor pressure than the bottle from the room.

Why do comets have tails

Answers

Answer:

Comets are composed of ice, dust and frozen gases. The core of the comet is known as nucleus which is formed of rocks and frozen gases. Coma is the atmosphere of the comet. As the comet enters the inner solar system, the coma expands due to sublimation of frozen gases. As it nears the sun, the coma extends backwards and forms a long tail. It extends backwards due to the solar wind. The charged particles from the sun take away the evaporated material and dust of the comet backwards forming tail.

As a comet approaches the Sun, it starts to heat up. The ice transforms directly from a solid to a vapor, releasing the dust particles embedded inside. Sunlight and the stream of charged particles flowing from the Sun – the solar wind – sweeps the evaporated material and dust back in a long tail.
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