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ivolga24 [154]
3 years ago
10

Which substance is a compound iron or nitrogen oxide

Chemistry
2 answers:
den301095 [7]3 years ago
6 0

Answer:

Nitrogen oxide is compound.

Explanation:

Compound is defined as chemical substance made up two or more than two different elements. For example : NaOH is the compound made up of 1 sodium atom, 1 oxygen atom and 1 hydrogen atom.

Now, according to the question, out iron and nitrogen oxide. Nitrogen dioxide (NO)is a compound because its made up of one nitrogen atom and 1 oxygen atom.

Where as iron is not a compound because it is just composed of iron atoms only.

Zanzabum3 years ago
4 0
I think it might be Nitrogen dioxide, but please check behind
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Describe how a homogeneous moisture differs from a heterogeneous mixture
Shalnov [3]

Answer:

Explanation:

Mixture: is combination of one or more substances mix together.

• The properties of the mixture are not same and contains the properties of all those component present in it.

• it is a combination of one or more Pure substances and can be separated by simple physical methods.

• it have varying boiling and melting point

Homogeneous Mixture: are those which are not distinguish by naked eye but can be separated into its components by physical means.

The components of a homogeneous mixture are in the same phase oar in dissolved form so it look like one component.

Examples are:

• Salt water is mixture of water and NaCl and can be separated by physical mean.

• Air: mixture of gases

Heterogeneous mixture: are those which can be distinguishing by naked eye and can be separated into its components by physical means.

The component of heterogeneous mixture not fully mixed are different in color or different in phases or not soluble. So one can easily see the difference in the component of the mixture

Examples is

• mixture of salt and sand

• mixture of water and sand

3 0
3 years ago
How do photosynthesis and cellular respiration compare to each other
musickatia [10]

Answer:

Photosynthesis takes place in the chloroplasts of cells. ... While photosynthesis requires energy and produces food, cellular respiration breaks down food and releases energy. Plants perform both photosynthesis and respiration, while animals can only perform respiration.

4 0
3 years ago
An acid can be defined as
ryzh [129]
An acid can be defined as a proton donor.
3 0
3 years ago
Read 2 more answers
g Select the correct statements. I. Reduction is the loss of electrons, and oxidation is the gain of electrons II. Reduction is
Karolina [17]

<u>Answer:</u> The correct answer is Option D.

<u>Explanation:</u>

Reduction reaction is defined as the reaction in which a substance gains electrons. Here, the oxidation state of the substance decreases.

X^{n+}+ne^-\rightarrow X

Oxidizing agents are the agents that helps in the oxidation of other substance and itself gets reduced. These agents undergoes reduction reactions.

Oxidation reaction is defined as the reaction in which a substance looses its electrons. Here, oxidation state of the substance increases.

X\rightarrow X^{n+}+ne^-

Reducing agents are the agents that helps in the reduction of the other substance and itself gets oxidized. These agents undergoes reduction reactions.

Oxidation state is the number which is given to an atom when it looses or gains electron. It is written as a superscript. In a compound, the total charge is equal to the sum of the charges of all atoms in that compound. <u>For Example:</u> In MnO_4^-, manganese has +7 oxidation number and oxygen has -2.

So, the charge on the compound = [=7+(4\times (-2))]=-1

Hence, the correct answer is Option D.

6 0
3 years ago
john roller skates with a constant speed of 8 miles per hour. how long will he take to travel a distance of 28 miles? please use
joja [24]

Answer:

3.5hrs

Explanation:

Using the formula Speed = Distance/Time

Given

Speed = 8mi/hr

Distance = 28miles

Get the time

Time = Distance/Speed

Time = 28/8

Tme = 3.5hrs

Hence it will take 3.5hrs to travel

8 0
3 years ago
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