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3 years ago

Organelle where energy is released frombroken-down food molecules

Chemistry

1 answer:

Firlakuza [10]3 years ago

6 0

The mitochondria releases ATP using the products of glycolysis.

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Help with 5b. Full explanation please

larisa86 [58]

Not elementary school work

8 0

3 years ago

Water is heated to boiling and water vapor (steam) is released. Chemical change or physical change?

Vlad [161]

Physical because it is still H2O

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3 years ago

How many half-lives are required for the concentration of reactant to decrease to 1.56% of its original value?4247.56.56

neonofarm [45]

Answer:

6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.

Explanation:

Using integrated rate law for first order kinetics as:

$[A_t]=[A_0]e^{-kt}$

Where,

$[A_t]$ is the concentration at time t

$[A_0]$ is the initial concentration

Given:

Concentration is decreased to 1.56 % which means that 0.0156 of $[A_0]$ is decomposed. So,

$\frac {[A_t]}{[A_0]}$ = 0.0156

Thus,

$\frac {[A_t]}{[A_0]}=e^{-k\times t}$

$0.0156=e^{-k\times t}$

kt = 4.1604

The expression for the half life is:-

Half life = 15.0 hours

$t_{1/2}=\frac {ln\ 2}{k}$

Where, k is rate constant

So,

$k=\frac {ln\ 2}{t_{1/2}}$

$\frac{4.1604}{t}=\frac {ln\ 2}{t_{1/2}}$

$t = 6\times t_{1/2}$

<u>6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.</u>

6 0

3 years ago

Answer it answer it answer it

Archy [21]

Answer:

Explanation:

A chemical change is when a new substance is created, which often has its own chemical properties, so A is the correct answer.

4 0

3 years ago

What particles form the nucleus of an atoms?

melomori [17]

Answer:

Protons and neutrons

Explanation:

The particles to forms the nucleus of an atom are the protons and neutrons of the atoms.

These materials are located in the tiny nucleus and contributes the most mass of the atom.

Protons are the positively charged particles in an atom
Neutrons do not carry any charges.
Sum of the protons and neutrons gives the mass number of the atom.

7 0

2 years ago

Organelle where energy is released frombroken-down food molecules​

Organelle where energy is released frombroken-down food molecules