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2 years ago

The nuclear disintegration series of ________ is the source of radon-222 in soil.

Chemistry

1 answer:

marissa [1.9K]2 years ago

3 0

The nuclear disintegration series of 238-U is the source of radon-222 in soil.

<h3>What is nuclear disintegration ?</h3>

The process of nuclear disintegration is how an unstable atomic nucleus loses energy through radiation.
A substance that has unstable nuclei is regarded as radioactive.
Alpha, beta, and gamma decay are three of the most prevalent types of decay, and they all entail the emission of one or more particles.

Ionizing radiation offers a health concern by destroying tissue and the DNA in genes because it can damage the atoms in living things.
Alpha particles may be present in the ionising radiation that is released.

As one atom transforms into another, radioactive decay involves the emission of a particle and/or energy.
Helium ions are released from an atom's nucleus during alpha decay. A neutron in the nucleus is converted to a proton and electron during beta decay.

Learn more about radioactive decay here:

brainly.com/question/1770619

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A gas is initially confined to a 1.00 L vessel at 3.00 atm of pressure. A valve connecting the 1.00 L vessel to a 3.00 L vessel

Brilliant_brown [7]

Answer:

c. 0.750 atm .

Explanation:

Hello!

In this case, since the two vessels have different volume, we can see that the gas is initially at 3.00 atm into the 1.00-L vessel, but next, it is allowed to move towards the 3.00-L vessel, meaning that the final volume wherein the gas is located, is 4.00 L; therefore, we use the Boyle's law to compute the final pressure:

$P_2V_2=P_1V_1\\\\P_2=\frac{P_1V_1}{V_2} \\\\P_2=\frac{3.00atm*1.00L}{4.00L}\\\\P_2=0.750atm$

Therefore the answer is c. 0.750 atm .

Best regards!

8 0

3 years ago

A voltaic cell is constructed in which the anode is a Fe|Fe2 half cell and the cathode is a Cd|Cd2 half cell. The half-cell comp

Svetradugi [14.3K]

Answer: The Anode reaction is $Fe(s)\rightarrow Fe^{2+}(aq)+2e^-$

Explanation:

Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.

Oxidation reaction is defined as the reaction in which a substance looses its electrons.Oxidation occurs at anode.

Anode : $Fe(s)\rightarrow Fe^{2+}(aq)+2e^-$

Reduction reaction is defined as the reaction in which a substance gains electrons. Reduction occurs at cathode.

Cathode : $Cd^{2+}(aq)+2e^-\rightarrow Cd(s)$

3 0

3 years ago

1. How many times more acidic is Lemon Juice than apples?

Mrrafil [7]

Lemon juice has a pH of around 2.0 while the pH of an apple is about 3.0 so it’s a 1.0 difference

8 0

3 years ago

Is a solution with a pH greater than 7 acidic, alkaline or neutral?

Kryger [21]

Answer:

Alkaline

Explanation:

When the pH is greater than 7, it means that there are more hydroxyl ions than hydrogen ions, hence the solution is alkaline.

5 0

3 years ago

In an experiment, onion plants of different ages were exposed to various amounts of caffeine to determine the effect of caffeine

VladimirAG [237]

A. is definitely true. The age of the plants and the amount of caffeine are two variables. The experimenter should have used only plants of the same age in order to determine the effect of caffeine.
b. is wrong. The amount of caffeine used was a variable.
c. is wrong. Temperature, water, and light were constants.
d. is wrong. The statement is a hypothesis that the experiment is trying to prove

5 0

3 years ago