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serg [7]
3 years ago
5

A team of scientists have identifyed a group of fish in the San Franscisco Bay that have never been seen in this location before

. These fish are commonly found in the waters off of Japan. We would call these fish
A. native species
B. evolved species
C. intruding species
D. invasive species
Chemistry
2 answers:
sergejj [24]3 years ago
8 0
The reason why is because mabye they got trapped or something in san francisco, and since they couldnt go back to japan, they had to evolve into san francisco in order to stay alive
marshall27 [118]3 years ago
6 0
Evolved. the reason why is because mabye they got trapped or something in san francisco, and since they couldnt go back to japan, they had to evolve into san francisco in order to stay alive

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the Temperature of a sample of an ideal gas in a sealed 5.0 l container is raised from 27 oC to 77oC. If the initial pressure of
matrenka [14]
Answer:
              The pressure increases to 3.5 atm.

Solution:
                According to Gay-Lussac's Law, " At constant volume and mass the pressure of gas is directly proportional to the applied temperature".

For initial and final states of a gas the equation is,

                                           P₁ / T₁  =  P₂ / T₂
Solving for P₂,
                                           P₂  =  P₁ T₂ / T₁    ----- (1)

Data Given;
                   P₁  =  3 atm

                   T₁  =  27 °C + 273  =  300 K
 
                   T₂  =  77 °C + 273  =  350 K

Putting values in eq. 1,

                                           P₂  =  (3 atm × 350 K) ÷ 300 K

                                           P₂  =  3.5 atm
7 0
3 years ago
A researcher recorder that a chemical reaction require 2.90 gal water and raised the temperature of the reaction vessel by 57°F.
Ivan

Answer:

10.875L

Explanation:

The problem here is a simple conversion. The conversion is from gal to liters Liter is a SI unit for recording volume as stated in the problem.

Given that:

              1 gallon of water = 3.75L

              2.90 gallon will be 2.9 x 3.75; 10.875L

4 0
3 years ago
A car traveling at 30 m/s comes to a stop in 5 seconds. What is the acceleration of this car?
aliina [53]

Answer:

6m/s brainliest?

Explanation:

5 0
2 years ago
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What is 125000 in scientific notation?
Usimov [2.4K]

Answer:

1.25 x 10^5

Explanation:

7 0
3 years ago
The "air bags" that are currently installed in automobiles to prevent injuries in the event of a crash are equipped with sodium
stellarik [79]

Answer:

0.0177 L of nitrogen will be produced

Explanation:

The decomposition reaction of sodium azide will be:

2NaN_{3}(s)--->2Na(s)+3N_{2}(g)

As per the balanced equation two moles of sodium azide will give three moles of nitrogen gas

The molecular weight of sodium azide = 65 g/mol

The mass of sodium azide used = 100 g

The moles of sodium azide used = \frac{mass}{molarmass}=\frac{100}{65}=1.54mol

so 1.54 moles of sodium azide will give = \frac{3X1.54}{2}=2.31mol

the volume will be calculated using ideal gas equation

PV=nRT

Where

P = Pressure = 1.00 atm

V = ?

n = moles = 2.31 mol

R = 0.0821 L atm / mol K

T = 25 °C = 298.15 K

Volume = \frac{P}{nRT}=\frac{1}{2.31X0.0821X298.15}=0.0177L

3 0
3 years ago
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