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3 years ago

PLEASE PLEASE PLEASE HELP, I KNOW YOU WONT BUT, WHOEVER ANSWERS IS THE KINDEST PERSON ON EARTH!!!!!!!!!!!

Chemistry

1 answer:

andrey2020 [161]3 years ago

8 0

Population- The amou t of living organisms/beings that can live and thrive in a certain sized area

things that can cause organisms to compete
-Food
-Water
-Shelter*(I am not 100% on this, forgive me)

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23492u undergoes alpha decay. what is the atomic number of the resulting element.

mash [69]

Alpha decay involves the loss of an alpha particle, aka a helium nucleus. This results in the mass number of the original element decreasing by 4 and the atomic number decreasing by 2. Assuming 23942u is uranium (92), the resulting element's atomic number is 90, making it thorium.

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3 years ago

The rate law for a reaction is rate=k[A][B] Which one of the following statements is false? The rate law for a reaction is Which

Andrews [41]

Answer: The reaction is first order overall.

Explanation: Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

$Rate=k[A]^x[B]^y$

k= rate constant

For the given rate law:

$Rate=k[A]^1[B]^1$

x = 1= order with respect to A

y =1= order with respect to B

n =( x+y)= (1+1) = 2 = Total order

a) If [A] is doubled, the reaction rate will increase by a factor of 2: True

$Rate'=k[2A]^1[B]^1$

$Rate'=k[2]^1[A]^1[B]^1$

$Rate'=[2]^1\times Rate$

$Rate'=[2]\times Rate$

b) The reaction is first order overall: False

The overall order is 1+1= 2.

c) k is the reaction rate constant: True

$Rate=k[A]^x[B]^y$

k= rate constant

d) The reaction is first order in [B]: True

For the given rate law:

$Rate=k[A]^1[B]^1$

x = 1= order with respect to A

e) The reaction is first order in [A]: True

For the given rate law:

$Rate=k[A]^1[B]^1$

y =1= order with respect to B

3 0

3 years ago

Short Story: "The Pit and the Pendulum" by Edgar Allan Poe Quiz

Fudgin [204]

Impossible to perceive:

7 0

3 years ago

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Using the information from STP or SATP conditions determine the value of the ideal gas constant.

Dovator [93]

Answer:

0.0821 atm.L/Kmol

Explanation:

At stp, the values temperature, pressure and volume is given below:

Pressure (P) = 1 atm

Temperature (T) = 273 K

Volume (V) = 22.4 L

At stp, 1 mole of a gas occupy 22.4L.

Number of mole (n) = 1 mole

Gas constant (R) =?

The ideal gas equation is given below:

PV = nRT.

With the above equation, the gas constant R can be obtained as follow:

1 atm x 22.4L = 1 mole x R x 273K

Divide both side by (1 mole x 273 K)

R = (1 atm x 22.4L) / (1 mole x 273 K)

R = 0.0821 atm.L/Kmol

Therefore, the gas constant is 0.0821 atm.L/Kmol

4 0

3 years ago

DUE TOMORROW GIVING BRAINLIEST!

Elina [12.6K]

Answer:

condensation:The act or process of condensing or of being condensed pressureA pressing; a force applied to a surface.

temperature The state or condition of being tempered or moderated.

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3 years ago

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