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EXAMEN DIARIO ORDINARIO TARDE 26/11/2024

Authored by Academias La Matriz

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University

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EXAMEN DIARIO ORDINARIO TARDE 26/11/2024
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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GEOMETRÍA PLANA

48°

42°

21°

84°

Answer explanation

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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45°

60°

53°

90°

37°

Answer explanation

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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6π m²

8π m²

10π m²

18π m²

28π m²

Answer explanation

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

QUÍMICA INORGÁNICA
Calcule el número de moléculas contenidas en seis moles de amoniaco (NH₃).

2.4×10²³

2.4×10²⁴

3.6×10²⁴

4.2×10²³

4.2×10²⁴

Answer explanation

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine la masa de una medallita de plata si la información que tenemos de ella es que contiene 0,2 mol del metal. PA(Ag) = 108 uma.

5,4 g

10,8 g

43,2 g

2,16 g

21,6 g

Answer explanation

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si Roberto por casualidad derrama toda la solución de un frasco etiquetado con Ca(OH)₂, 0,5 M. ¿Qué volumen de solución podrá preparar si solo cuenta con 7,4 g de Ca(OH)₂, para reponer la solución? M(Ca(OH)₂) = 74 g/mol

100 mL

150 mL

200 mL

250 mL

300 mL

Answer explanation

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