Quimica

* TABLAS Y CALCULOS

* Longitud

Puntillas | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Longitud (cm) | 2.5 | 2.4 | 2.4 | 2.42 | 2.43| 2.5 | 2.43 | 2.53 | 2.44 | 2.51 |

X=2.5+2.4+2.4+2.42+2.43+2.5+2.43+2.53+2.44+2.51x10

X=2.46DM=0.04+0.06+0.06+0.04+0.03+0.04+0.07+0.02+0.05 10

DM=0.044

E = 0.0442.46*100%=1.79%

X1=2.51-2.412=0.05

2.41 , 2.51

DR=2.40

* Tiempo

Lanzamiento |Tiempo (ms) |
1 | 1.554 |
2 | 2.020 |
3 | 0.570 |
4 | 0.540ms |

X=1.554+2.020+0.570+0.5404

X=1.171

DM=0.383+0.849+0.601+0.6314DM=0.616

E=0.6161.171*100%= 52.6%

X1=2.020-0.5402 =0.74

0.431 ,1.911

DR=2.020

* Temperatura

Prueba | Temperatura (°C) |1 | 20 |
2 | 20 |
3 | 20 |
4 | 20 |

X=20+20+20+204=20

DM=0+0+0+04=0

E=020*100%=0%
X1=20-202=0

( 20 , 20 )

DR=ningun datose rechaza

* Masa

Balanza | Peso del dado (g) |
Analitica | 4.95 |
De Plato | 5.1 |

E=|4.5-5.1|4.5*100%=13.3%

Balanza |Peso de la arandela (g) |
Analitica | 2.93 |
De Plato | 3.4 |

E=|2.93-3.4|2.93*100%=16.04%

Balanza | Peso de la tuerca (g) |Analitica | 3.12 |
De Plato | 3.3 |

E=|3.12-3.3|3.12*100%=5.77%

Balanza | Peso del tornillo (g) |
Analitica | 1.40 |
De Plato | 1.49 |E=|1.40-1.49|1.40*100%=6.43%
Balanza | Peso del cilindro (g) |
Analitica | 46.92 |
De Plato | 47.1 |

E=|46.99-47.1|46.99*100%=0.23%