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3 years ago

How can u use invade in a sentence using science terms?

1 answer:

8 0

Poison ivy is an invasive plant species that will invade an environment and take up the nutrients in the soil and rapidly multiply.

Many times the mocking jay will invade the territory of other birds and use its mimicry to lure in birds and make them leave the area, mocking birds are extremely territorial and will use other birds nests

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Bromine has two isotopes 79Br and 81Br, whose masses (78.9183 and 80.9163 amu) and abundances (50.69% and 49.31%, respectively)

Reika [66]

Answer:

Average atomic mass = 79.9034 amu

Explanation:

The formula for the calculation of the average atomic mass is:

$Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})$

Given that:

For first isotope:

% = 50.69 %

Mass = 78.9183 amu

For second isotope:

% = 49.31 %

Mass = 80.9163 amu

Thus,

$Average\ atomic\ mass=\frac{50.69}{100}\times {78.9183}+\frac{49.31}{100}\times {80.9163}\ amu$

$Average\ atomic\ mass=40.0036+39.8998\ amu$

Average atomic mass = 79.9034 amu

4 0

3 years ago

What are Free Radicals ?

DENIUS [597]

Answer:

an uncharged molecule (typically highly reactive and short-lived) having an unpaired valency electron.

4 0

2 years ago

Read 2 more answers

Which change favors the products in this reversible reaction n2o4(g)+58 kj 2no2 (g)?

Ksenya-84 [330]

According to Le Chatelier's Principle, the position of equilibrium moves to counteract the change, the position of equilibrium will move so that the concentration of products of chemical reaction increase, if:

1) increase temperature, because this endothermic reaction.

2) increase concentration of reactant.

3) decrease pressure of the system, so reaction moves to direction where is more molecules.

7 0

3 years ago

Read 2 more answers

Forensic psychiatrists and psychologists offer insight to investigators, attorneys, judges, and juries about a suspect's mental

slamgirl [31]

The answer is A. True

5 0

2 years ago

Hydrochloric acid is the primary component of gastric juice in the stomach (see Chemistry in Action: GERD-Too Much Acid or Not E

olga nikolaevna [1]

Answer:

Acid: HCl(aq), conjugate base: Cl⁻(aq)

Base: CO₃⁻²(aq), conjugate acid: HCO₃⁻(aq)

The rewrite reaction is shown below.

Explanation:

The acid compound is the one that loses an H⁺, and the compound formed when it happens is its conjugate base. The base compound is the acceptor of H⁺, and its conjugate acid is the compound formed (Brosted-Lowry theory).

So, the acid-base pairs are:

Acid: HCl(aq), conjugate base: Cl⁻(aq)

Base: CO₃⁻²(aq), conjugate acid: HCO₃⁻(aq)

The TUMS® is an antacid, so it intends to reduce the concentration of the strong acid HCl. So, the forward reaction is favored. It can be represented with the forward arrow larger than the reversible arrow, as shown in the image below.

8 0

3 years ago