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adelina 88 [10]
3 years ago
5

You work for a company focused on environmental cleanup. Your job is to collect soil samples in the field and bring

Chemistry
1 answer:
Harman [31]3 years ago
8 0

Answer:

Environmental chemistry and analytical chemistry

Explanation:

Environmental chemistry is a scientific study of chemical species in the environment as well as the cycle of materials in nature. Broadly speaking, environmental chemistry involves the study of the sources, reactions, transport, and fates of chemical species in the environment.

Analytical chemistry is a branch of chemistry that deals with the development and use of tools and methods to carry out investigation into the nature and composition of chemical substances.

Both environmental chemistry and analytical chemistry are involved when you collect soil samples for the purpose of analysis. A work focused on environmental clean up must first be concerned with the fate of species in the environment (environmental chemistry) as well as the identification of various contaminants in the environment (analytical chemistry). Hence the answer.

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The book procedure calls for 2,5-dimethylhexane-2,5-diol and concentrated hydrochloric acid to be shaken in a reaction vial. Whi
san4es73 [151]

Answer:

E) All of the above.

Explanation:

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Since the acidic nature of the HCl implies its corrosiveness, when it is in contact with the skin and eyes the burning starts immediately, so gloves and goggles must be worn. Next, the fuming hydrochloric acid (37% by mass) is volatile so it gives off even when dissolved into water, so it must be used in the fume hood. Then, since vapors are produced during the chemical reaction, an overpressure could be attained, that's why we must keep the glass sash of the fume hood between us and the vial. As a common risk, the vial could be dropped causing the hydrochloric acid to splash, so we must keep the vial well inside the hood.

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3 years ago
Identify the type of energy involved in each step:
Agata [3.3K]
Radiant energy or electrical energy
6 0
3 years ago
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Answer:

yes, because evidence from scientifically research studies, is important because it lets us make decisions based on what works with studies of science we can know if this is right or not  

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4 0
3 years ago
Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation: ()zn
Bingel [31]

Based on the chemical equation, to balance the equation we use 2 as a coefficients of HCl on left hand side of reaction.

<h3>What is balanced equation?</h3>

Balanced chemical equations are those equation in which each entities are present in same amount on left side as well as on the right side of the chemical reaction.

Given chemical reaction is:

Zn + HCl → ZnCl₂ + H₂

Above reaction is not balanced equation as number of chlorine and hydrogen atoms are not same, so balanced equation will be:

Zn + 2HCl → ZnCl₂ + H₂

Hence we add 2 as a coefficient of HCl to balance the equation.

To know more about balance equation, visit the below link:
brainly.com/question/26694427

8 0
2 years ago
Help me with this question?!!​
olya-2409 [2.1K]

Answer:

500 mL

Explanation:

Step 1: Find conversions

1 mL = 0.0338 oz

Step 2: Use Dimensional Analysis

16.9 \hspace{2} oz(\frac{1 \hspace{2} mL}{0.0338 \hspace{2} oz} ) = 500 mL

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3 years ago
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