CHEMISTRY MIDDLE SCHOOL

Which is an example of a mixture?A. water
B. trail mix
C. hydrogen
D. carbon dioxide

Answers

Answer 1
Answer:

Answer: Trail mix

Explanation: Because its mixed together with different nuts to make it
Answer 2
Answer:

Answer:

Trail mix

Explanation:

Trail mix is an example of heterogeneous mixture.

Hydrogen is a compound, same with carbon dioxide.

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Consider the following reaction.CO2(g) + Hz(9) —CO(g) + H2O(1)
What is being oxidized?
carbon
carbon dioxide
oxygen
hydrogen
o

Answers

Answer:

Hydrogen

Explanation:

Oxidation and reduction are two types of chemical reactions known as redox reactions. (Red - reduction; ox - oxidation).

A substance is oxidized when it receives an oxygen atom from an oxidizing agent. The substance that receives oxygen is known as a reducing agent.

A substance  is reduced when it donates an oxygen atom to another atom. Thus, the substance is known as an oxidizing agent - it supplies oxygen.

In the reaction:

CO2(g) + Hz(9) —CO(g) + H2O(1)

CO₂ loses oxygen to become CO and H₂ gains oxygen to become H₂O. Thus, CO₂ is an oxidizing agent and H₂ is a reducing agent.
Your hydrogen is being oxidized and your carbon dioxide is being reduced.

A filament at which temperature would have the most light absorbed by a piece of yellow glass?

Answers

soft light (answer) is the filament between (2700k-3000k). 
 The higher the kelvin number the whiter the light.

3500k-4100k is bright white/cool white

5000k-6500k is daylight 

\and those are the three primary colors of color temperature

2 or more components - Substance is two or more diltermore different types of source material.
Chemically combined​

Answers

Answer:

A compound

Explanation:

A compound is a substance made up of two or more components that are chemically combined together.

The substances that combines to form a compound is called elements.

The properties of compounds are distinct and different from the elements that combines to make them.

A wide array of compounds are known and they arise from different arrangements of atoms of elements.

Why must living things rely on thousands of catalysts for chemical reactions necessary for life?

Answers

It affects only one chemical reaction
it effect only chemical reaction

PLS HELP QUICK WORTH 30 POINTS!!!!!!!!Complete the sentence. When a base is added to water, hydrogen ions __________. increase decrease stay the same disappear

Answers

A base is a substance that has the tendency to release OH- ions. These ions then attract protons to form water.

For example:

NaOH is a strong base which dissociates into Na+ and OH- ions.

NaOH → Na+ + OH-

The OH- ions can then grab the H+ ions from water, thereby reducing the hydrogen ion concentration and increasing the pH

Ans :

When a base is added to water, hydrogen ions decrease.

The answer is decrease.

What is one biotic factor that limits the carrying capacity of any habitat

Answers

Biotic components are the living components of an ecosystem. The biotic factor that limits the carrying capacity of any habitat is activity of decomposers, i.e., option B.

What are decomposers?

The organisms that usually feed on dead and decaying organisms and whose digestion is external one are called as decomposers.

The bioticfactor that limits the carryingcapacity of any habitat is activity of decomposers.

Thus, the correct option is B.

For more details regarding decomposers, visit:

brainly.com/question/896544

#SPJ2
Availability of water.
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