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2 years ago

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Bullet Level, Measuring Tape, Ruler and Plum Bob are examples of what type of tools a.hammers b.wrenches c.layout tools d.pilers

1 answer:

k0ka [10]2 years ago

8 0

The correct answer is C. Layout tools.

Explanation

Layout tools are a group of artifacts that are designed and manufactured to contribute to human tasks in specific measurement tasks, and quantification of lengths and inclinations in construction, design, planning on a plane, geometry, mathematics, among others. In the layout tools group are the measuring tape and the ruler they serve to measure lengths in centimeters, meters, inches, millimeters, among other units of measurement; a plumb line is also a tool used to calculate the inclination of a vertical surface using the force of gravity; likewise, the bullet level is a tool that uses the bubble of a liquid as a guide to know if it is completely level or has an inclination or deviation. According to the above, the correct answer is C. Layout tools.

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Answer:

9

Explanation:

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<u>Answer:</u> The given amount of iron reacts with 9.0 moles of $O_2$ and produce 6.0 moles of $Fe_2O_3$

<u>Explanation:</u>

We are given:

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$4Fe+3O_2\rightarrow 2Fe_2O_3$

<u>For oxygen gas:</u>

By Stoichiometry of the reaction:

4 moles of iron reacts with 3 moles of oxygen gas

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<u>For iron (III) oxide:</u>

By Stoichiometry of the reaction:

4 moles of iron produces 2 moles of iron (III) oxide

So, 12.0 moles of iron will produce = $\frac{2}{4}\times 12.0=6.0mol$ of iron (III) oxide

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2 years ago

Andesitic rock is an igneous rock with a composition in between that of basaltic and granitic igneous rock.

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Answer:

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