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podryga [215]
4 years ago
6

An average home in Colorado requires 2.00 x 107 KJ of heat per month. How many grams of natural gas (methane) must be burned to

supply this energy?
CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔH°rxn= –890.4 kJ/mol

Chemistry
1 answer:
Leona [35]4 years ago
8 0

Answer:

3.6*105g CH4

Explanation:

The detailed solution is shown on the image. From the detailed chemical reaction, we calculate the mass of methane required in the standard combustion reaction of methane and use it to estimate the mass required to produce the quantity of heat required in the question.

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<u>Answer:</u> The correct answer is geographical map.

<u>Explanation:</u>

Model is defined as the three dimensional representation of a proposed structure in a smaller scale.

For the given options:

<u>Option 1:</u>  PV = nRT

This is a proposed law. This law is known as ideal gas law. A law is defined as the rule which defined a correct procedure. For any gas behaving ideally, this law is used.

<u>Option 2:</u> Geographical map

Map is defined as the diagrammatic representation of an area of land or sea which also shows physical features, roads, cities etc..

A 3-D model can be prepared for geographical map.

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This is a hypothetical statement. It is a smart guess by the means of set of assumptions and observations. For its validation, we need to conduct some experiments.

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