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lana66690 [7]
3 years ago
14

Gamma radiation:

Chemistry
1 answer:
34kurt3 years ago
3 0

Answer:

All of the above

Explanation:

All given are the properties of gamma radiations. Because,

These can be detected with scientific instruments.

These radiations emitted with alpha or beta emission.

These radiations can penetrate to ma y other materials.

Gamma radiations:

Gamma radiations are high energy radiations having no mass.

These radiations are travel at the speed of light.

Gamma radiations can penetrate into the many materials.

These radiations are also used to treat the cancer.

Lead is used for the protection  against gamma radiations because of its high molecular density.

The lead apron are used by the person when treated with gamma radiations.

Lead shields are also used in the wall, windows and doors of the room where gamma radiations are treated, in-order to protect the surroundings.

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3 years ago
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Calculate the rate speed per drop in minute when applying a drip of 1000mg to last 4 2 hours​
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Answer:

42 hours is 2520 minutes...

If 1000 mg drops in 2520 minutes,

Then in 1 minute, (1000/2520) drop drops...

Which is approximately 0.40 drops.

4 0
3 years ago
Hunting lions has been banned in some parts of Africa. If this law is enforced, what can we expect to happen to the populations
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The population would decrease, the more predators there are the more food needed for the species .
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Predict and Balance the following reaction:
Umnica [9.8K]

A. The balanced chemical reaction of Sodium metal and Water is 2Na  +  2H₂O  →  2NaOH    +   H₂.

<h3>What is a balanced chemical equation? </h3>

A balanced equation contains the same number of each type of atoms on both the left and right sides of the reaction arrow.

<h3>Reaction of Sodium metal and Water</h3>

Sodium metal reacts rapidly with water to form a colourless solution of sodium hydroxide (NaOH) and hydrogen gas (H2).

The balanced chemical reaction is written below;

2Na  +  2H₂O  →  2NaOH    +   H₂

Thus, the balanced chemical reaction of Sodium metal and Water is 2Na  +  2H₂O  →  2NaOH    +   H₂.

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8 0
1 year ago
Which contains the greatest mass of oxygen: 0.75 moles of ethanol ( C2H5OH ), 0.60 mole of formic acid ( HCO2H ), or 1.0 mole of
Luda [366]

Answer:

In conclussion, 0.60 moles of HCOOH contains the greatest mass of O

Explanation:

Let's make some rules of three, to solve this problem:

1 mol of ethanol has 2 moles of C, 6 moles of H, and 1 mol of oxygen

Therefore, 0.75 moles of ethanol must have 0.75 mol of oyxgen

Let's convert the moles to mass → 0.75 mol . 16 g/ 1 mol = 12 g

1 mol of formic acid has 2 moles of H, 1 mol of C and 2 mol of oxygen

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