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3 years ago

Can invasive species affect humans?

Chemistry

2 answers:

skad [1K]3 years ago

4 0

Answer:

To a certain extent absolutly. They can impact human health for the worse and more.

MakcuM [25]3 years ago

4 0

Answer:

Invasive species are those specie that is not specific to a certain location, and it spread to a degree and is harmful for human economy.

Explanation:

For e.g. Green Crab

Invasive species can affect human in a way that they threaten biodiversity and alter the ecosystem. It greatly involve in loss of human economy, its function. It also affect human health as well. It is also harmful for our natural resources.

Malaria is caused also by invasive species.

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What are the main reactants and products in a neutralization reaction?

blagie [28]

The reactants in the neutralization reaction are an acid and a base while the products are a salt and water.

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3 years ago

Which compound has the LEAST percent composition by mass of sulfur?

Eddi Din [679]

Answer: srs with 32.38 grams

Explanation:

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3 years ago

IF YOU KNOW THE REST OF THE TEST'S ANSWERS PLEASE SHARE

Semenov [28]

Answer:

B. a state in which the forward and reverse reactions are proceeding at equal rates

Explanation:

"Chemical equilibrium is the state of a chemical system at which a constant concentration of products and reagents is present. Reactions, which take place in homogeneous solutions, seem to have come to rest because no changes in concentrations of the participating substances can be determined. Substance turnover occurs only on the particle level, which is why chemical equilibrium is also referred to as dynamic equilibrium."

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2 years ago

Read 2 more answers

What is the study of acid-base chemistry called in the environment

Charra [1.4K]

Answer:

An acid is a substance that donates protons (in the Brønsted-Lowry definition) or accepts a pair of valence electrons to form a bond (in the Lewis definition). A base is a substance that can accept protons or donate a pair of valence electrons to form a bond. Bases can be thought of as the chemical opposite of acids.

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3 years ago

The CRC Handbook, a large reference book of chemical and physical data, lists two isotopes of indium (). The atomic mass of 4.28

ivanzaharov [21]

Answer: The mass of second isotope of indium is 114.904 amu

Explanation:

Average atomic mass of an element is defined as the sum of masses of each isotope each multiplied by their natural fractional abundance.

Formula used to calculate average atomic mass follows:

.....(1)

Let the mass of isotope 2 of indium be 'x'

For isotope 1:

Mass of isotope 1 = 112.904 amu

Percentage abundance of isotope 1 = 4.28 %

Fractional abundance of isotope 1 = 0.0428

For isotope 2:

Mass of isotope 2 = x amu

Percentage abundance of isotope 2 = [100 - 4.28] = 95.72 %

Fractional abundance of isotope 2 = 0.9572

Average atomic mass of indium = 114.818 amu

Putting values in equation 1, we get:

$114.818=[(112.904\times 0.0428)+(x\times 0.9572)]\\\\x=114.904amu$

Hence, the mass of second isotope of indium is 114.904 amu

4 0

2 years ago