CHEMISTRY HIGH SCHOOL

In a heterogeneous mixture the materials are mixed together anda. can not be separated.
b. will be easily separated.
c. lose their own properties.

Answers

Answer 1
Answer: In a heterogeneous mixture the materials are mixed together and will be easily separated. The correct option among all the options that are given in the question is the second option or option "b". An example of a heterogeneous mixture is a bowl of colored candies. I hope the answer helps you.

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Quantitative was to measure light intensity

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One candela per steradian is termed a lumen, which is the measure of light intensity people are most familiar with One foot candle is equivalent to one lumen per square foot
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A student had two dilute, colorless solutions, HCl(aq) and NaOH(aq), which were at the same temperature. The student combined the solutions, and the reaction represented above occurred. Which of the following results would be evidence that a chemical reaction took place

Answers

Answer:

The reaction of an aqueous hydrochloric acid solution with an aqueous sodium hydroxide solution is represented by the neutralization chemical equation:

HCl(aq) + NaOH(aq) --> NaCl(aq) + H2O(l) + Energy

Explanation:

This is called a neutralization reaction, which is a reaction in which an acid and a base react to form water and a salt. This reaction involves the combination of H+ ions and OH- ions to generate water. pH equal to 7 is a neutralization of a strong acid and strong base. The neutralization of a strong acid and weak base will have a pH of less than 7, and conversely, the resulting pH when a strong base neutralizes a weak acid will be greater than 7.

When a solution is neutralized, it means that salts are formed from equal weights of acid and base. The amount of acid needed is the amount that would give one mole of protons (H+) and the amount of base needed is the amount that would give one mole of (OH-).

The production of sodium chloride and water is the indication that reaction took place.

  • The formation of sodium chloride and water would be evidence that a chemical reaction took place because new substances are formed from the reaction hydrochloric acid (HCl) and sodium hydroxide (NaOH).
  • When  hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH), the sodium of NaOH combine with chlorine of HCl produces sodium chloride (NaCl).
  • Whereas the hydrogen of HCl combine with hydroxide of NaOH so we can conclude that production of sodium chloride and water is the indication that reaction took place.

Learn more: brainly.com/question/14446597

What are 5 examples of gases found at home?

Answers

Examples of gases that can be found at home include carbon monoxide, chlorine, ammonia, hydrogen, nitrogen, and sulfur oxides.

  • Gas is one of the three states of matter that we've. A gas simply means a substance that doesn't have a fixed shape and fixed volume.

  • It should also be noted that gases have lower density when compared to solid or liquid. There are different gases such as oxygen, nitrogen, helium, carbon monoxide, etc.

  • Examples of gases found at home include carbon monoxide, chlorine, ammonia, hydrogen, nitrogen, and sulfur oxides.

In conclusion, carbon monoxide is gotten when we burn wood, charcoal, fuel, etc.

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HELP DUE TOMMOROW! FAILING CLASS!!! When it would be appropriate to use Radiocarbon dating, Rubidium-Strontium dating, Uranium-Lead dating, and Potassium-Argon dating. Include if the types of dating are used for organic or inorganic things and the time range they are useful for.

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Answer:

Uhm if you're failing the class why are you still using brainly to get answers... Where's your momma boy?

Explanation:

It izzz what it izzz

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Answers

Introduction | Effects of wind erosion | Factors influencing wind erosion ... The Dust Bowl crisis prompted prairie agriculture to seek ways to control and prevent wind erosion. ... herbicides and other crop inputs have helped farmers reduce wind erosion. .... Special measures are needed to prevent wind erosion on these fields.

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In the field of science, usually, the product of an experiment iscomputed ahead to understand if it reached a specific objective. It would reachgreater than 100% of percent yield if the factors include faster reaction rates;proper handling of the reactants, no outside contaminants, and the procedure ofthe experiment is followed smoothly. It would reach lesser than 100% percent yieldif the experiment is not followed, external factors such as contamination fromthe environment (wind, moisture, etc). 
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