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Archy [21]
3 years ago
7

4. What are the potential sources of error that might cause disagreement between the activity series' prediction of reactions an

d your observations of reactions
Chemistry
1 answer:
nika2105 [10]3 years ago
6 0

Answer:

1. Not to have enough salt water on the foil

2.not cleaning the foil well to remove interfering materials

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What is the speed of each vehicle? (Remember S=d/t)
Aleksandr [31]

Answer:

A: 20 km/h, B: 10 km/h

Explanation:

Speed of Vehicle A = 40-20/ 2-1

=20 km/h

If A is 20km/h, B is 10km/h as given in option

5 0
3 years ago
¿Cuántos moles de bióxido de Nitrógeno (NO 2) se forman cuando reaccionan 5 moles de Nitrógeno (N 2)?
o-na [289]

Answer:

10 moles de NO2

Explanation:

Tenemos la ecuación de la reacción como sigue;

 N2 (g) + 2 O2 (g) → 2 NO2 (g)

Asi que;

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5 moles de nitrógeno producirán 5 * 2/1 = 10

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6 0
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Luden [163]

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A the pressure is changed to 0.8

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Boyles gas law

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