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Quantidade de Matéria - Formativo

Authored by Karmel Beringui

Chemistry

2nd Grade

Used 6+ times

Quantidade de Matéria - Formativo
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual a fórmula molecular do gás carbônico, molécula representada na figura ao lado?

CO

C2O

CO2

C2O2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual a fórmula molecular do ácido clorídrico, representada na figura ao lado.

HCl

ClH

HCl2

H2Cl

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual a fórmula molecular da amônia, representada na figura ao lado?

NH2

NH

NH3

H2N

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual a fórmula molecular da Vitamina C (Ácido Ascórbico), representada da figura ao lado?

C4H8O5

C6H4O6

C2H5O3

C6H8O6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a massa molar da água (H2O)?

Dados: H - 1g, O - 16g

18g

17g

15g

12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a massa molar da glicose (C6H12O6)?

Dados: C - 12g, H - 1g; O - 16g

176 g

180 g

190 g

150 g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a massa molar da nicotina (C₁₀H₁₄N₂)?

Dados: C - 12g, H - 1g , N - 14g

172 g

162 g

166 g

160 g

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