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levacccp [35]
3 years ago
11

Which of the following is a nonmetallic mineral resource?. A. wood . B. iron . C. coal . D. aggregate

Chemistry
2 answers:
sesenic [268]3 years ago
8 0

Answer: The correct option is D.

Explanation: Nonmetallic minerals are the chemical elements from which no new product can be formed when they are melted. For Example: Sand, marble etc..

For the given options:

Option A: Wood is a type of cellulose and is not considered as a nonmetallic mineral resource.

Option B: Iron is an element because it is the smallest substance which cannot be broken down. It is not considered as a nonmetallic mineral resource.

Option C: Coal is a mixture of carbon compounds. This is very close to mineral but is an organic mineral because it contains carbon atom. Hence, it is not considered as a nonmetallic mineral resource.

Option D: Aggregate is  formed by the collection of particles forming a whole mass. This is a non-metallic resource as it cannot form any new product.

Hence, the correct option is D.

alexira [117]3 years ago
3 0

The nonmetallic mineral resource is \boxed{{\text{D}}{\text{. aggregate}}}.

Further Explanation:

Minerals are naturally occurring substances present in the earth’s crust. These form the basis of many basic industries. Quartz, calcite, and mica are some examples of minerals.

Types of mineral resources:

1. Metallic mineral resources

These contain one or more metals. Their occurrence is quite rare in nature. Iron, gold, bauxite, and copper are examples of metallic minerals.

2. Nonmetallic resources

These are the minerals that cannot form new products upon melting. These are basically used for the production of glass, ceramics, cement and lime products. Sand, clay, marble, and gravel are examples of nonmetallic minerals.

(A) Wood

It is a naturally occurring organic material that is solid in nature but it is not a mineral.

(B) Iron

It is an element or the simplest form in which it can exist. So it cannot be broken down or decomposed to form any new substances and therefore iron is not a nonmetallic mineral.

(C) Coal

It is composed of dead decaying plant and animal matter so it cannot be considered as a mineral.

(D) Aggregate

It is a collection of particles that cannot produce any new substance from it. So it is a non-metallic mineral.

Learn More:

  1. Find the minimum mass of the ore: brainly.com/question/1807796
  2. Find the enthalpy of dissociation of 1 mole of MgO: brainly.com/question/2416245

Answer Details:

Grade: Senior School

Chapter: General principles of isolation of elements

Subject: Chemistry

Keywords: wood, iron, coal, aggregate, metallic, non-metallic, mineral resource, element, dead decaying, plant, animal, collection, particles, organic material, solid.

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Answer: 24.13 g Cu

Explanation:

<u>Given for this question:</u>

M of CuO = 30 g

m of CuO = 79.5 g/mol

Number of moles of CuO = (given mass ÷ molar mass) = (30 ÷ 79.5) mol

= 0.38 mol

The max number of CuO (s) that can be produced by the reaction of excess methane can be solved with this reaction:

CuO(s) + CH4(l) ------> H2O(l) + Cu(s) + CO2(g)

The balanced equation can be obtained by placing coefficients as needed and making sure the number of atoms of each element on the reactant side is equal to the number of atoms of each element on the product side

4CuO(s) + CH4(l) ----> 2H2O(l) + 4Cu(s) + CO2(g)          

From the stoichiometry of the balanced equation:

4 moles of CuO gives 4 moles of Cu

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0.38 mol of CuO gives 0.38 mol of Cu

Therefore, the grams of Cu that can be produced = 0.38 × molar mass of Cu

= 0.38 × 63.5 g

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The given question is incomplete. The complete question is:

The change in entropy is related to the change in the number of moles of gas molecules. Determine the change in moles of gas for each of the reactions and decide if the entropy increases decreases or has little to no change:

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