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cluponka [151]
2 years ago
5

The use of lead paint in houses was banned in 1978 due to the health hazards associated with lead, specifically that high levels

of lead exposure is dangerous to humans. Which branch of chemistry would study this?
environmental chemistry
agricultural chemistry
biochemistry
both environmental chemistry and biochemistry
Chemistry
1 answer:
arlik [135]2 years ago
3 0

Environmental Chemistry studies the health hazards associated with lead, which  is dangerous to humans.

Environmental Chemistry studies chemicals present in air, water and soil and their  impact on humans and their environment.

Now, it was discovered that even low doses of lead particles in the paint when inhaled or ingested caused damaging effect to the body  such as Impaired balance, seizures, ataxia and even death.

With the role of Environmental chemists in thier research and findings, the world has been informed on the negative effect on the expose of lead and other heavy metals like it  to man and his environment.

See more here:brainly.com/question/22517940

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Methylpropane (complete and condensed structural formulas)
Tcecarenko [31]

Answer:

Here's what I get  

Explanation:

1. Complete structural formula

Methylpropane consists of a chain of three carbons with another carbon atom attached to the middle carbon. Enough H atoms are added to give each C atom a total of four bonds.

The complete structural formula is shown below (There is a C atom at each intersection).

2. Condensed structural formula

A condensed structural formula is designed to be typed on one line.

The molecule has three CH₃ groups attached to a single carbon atom, so the condensed structural formula is  

(CH₃)₃CH

The formula is also often written CH₃CH(CH₃)CH₃ and as (CH₃)₂CHCH₃.

5 0
3 years ago
Help me i mark brain thing
o-na [289]

Answer:

Becuase they can go through mountains and hills, they curve of of those.

5 0
2 years ago
A chemist must dilute 34.3mL of 1.72mM aqueous calcium sulfate solution until the concentration falls to 1.00mM. He'll do this b
EastWind [94]

Answer:

58.9mL

Explanation:

Given parameters:

Initial volume  = 34.3mL    = 0.0343dm³

Initial concentration  = 1.72mM   = 1.72 x 10⁻³moldm⁻³

Final concentration  = 1.00mM = 1 x 10⁻³ moldm⁻³

Unknown:

Final volume  =?

Solution:

Often times, the concentration of a standard solution may have to be diluted to a lower one by adding distilled water. To find the find the final volume, we must recognize that the number of moles of the substance in initial and final solutions are the same.

   Therefore;

              C₁V₁  =  C₂V₂

where C and V are concentration and 1 and 2 are initial and final states.

        now input the variables;

                      1.72 x 10⁻³ x  0.0343 = 1 x 10⁻³  x V₂

                        V₂ = 0.0589dm³ = 58.9mL

         

4 0
3 years ago
What is the most likely explanation for the difference in average high temperatures in July for these two cities?
Scilla [17]

Answer:Ocean breezes keep coastal Galveston cooler than Del Rio, which is inland and exposed to southerly winds.

Explanation: inwards has winds and outwards doesn’t have winds just the coast.

6 0
3 years ago
Identify the formula for an alkene.
ioda

Answer:

CnH2n-2

im pretty sure thats the answer

5 0
2 years ago
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