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Sonbull [250]
3 years ago
8

In a redux reaction why does an element oxidation number decreases

Chemistry
1 answer:
Olin [163]3 years ago
7 0

Answer:

Decreases

Explanation:

An element's oxidation number decreases because it gained electrons.

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Briefly explain formality in solution.
Zielflug [23.3K]

Answer:

Both molarity and formality express concentration as moles of solute per liter of solution. Formality is a substance's total concentration in solution without regard to its specific chemical form. ... The formality of a solution is defined as the number of formula mass of any solute dissolved in 1 litre of solution.

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3 years ago
Describe reflection, refraction, and absorption.
Sergeeva-Olga [200]

Answer:

Refraction is the bending of a wave when it enters a medium where its speed is different, like going from the air (gas) to a glass of water (liquid). Absorption is when light energy penetrates an object. Typically this energy is then converted to heat.

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3 years ago
Step 1: Translate the starting chemicals into formulas:Iron metal, in the presence of oxygen,----->Step 2: Predict the produc
Natalija [7]

Answer:

Explanation:

Here, we want to write the chemical reaction

step 1:

we start by writing the reaction between iron and oxygen

We have this as:

\text{ Fe + O}_2

step 2:

Now, we want to predict the product as follows:

\text{ Fe + O}_2\text{ }\rightarrow Fe_2O_3

step 3:

We proceed to balance the chemical reaction as follows by ensuring that the number of elements moles on the reactant side is equal to the number of moles of the elements on the products side as follows:

\text{ 4Fe + 3O}_2\text{ }\rightarrow2Fe_2O_3

3 0
1 year ago
If 4.00 moles of a gas at a pressure of 5.40 atm have a volume of 120 litres, what is the temperature?
xz_007 [3.2K]
Here's how you solve this:

3 0
3 years ago
Which are characteristics of all metals?
Otrada [13]

Answer:

A. They are malleable, ductile, and conduct electricity.

Explanation:

8 0
3 years ago
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