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max2010maxim [7]
3 years ago
6

If the strength of the magnetic field at A is 4 units, the strength of the magnetic field at B is _____.

Chemistry
2 answers:
ANEK [815]3 years ago
6 0
16 jhsidusijdkdidjdhkxhekxudjd
stealth61 [152]3 years ago
5 0

Answer:

The Correct answer should be 1 unit

Explanation:

It appears to me that magnetic field A is four times the amount of B, and since A is 4 units, B must me 1 unit

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How do you correctly put the number 0.00000000008759 in scientific notation with 3 sig figs?
vesna_86 [32]

Answer:

8.759×10-11

Explanation:

it may be to sure try to convert the answer

5 0
3 years ago
Hydrogen peroxide is a chemical used to clean bacteria out of cuts. It does this by creating germ-eating oxygen in this decompos
weeeeeb [17]

Answer:

Coefficient's are 2, 2, 1

Explanation:

We are given;

Unbalanced equation;

H₂O₂ → H₂O + O₂

We are required to determine the suitable coefficients that would balance the equation.

  • We need to know that for an equation to obey the law of conservation of mass it has to be balanced.
  • Balancing involves making sure that the number of atoms of each element are equal on both sides of the equation.

In this case;

To balance the equation we put the coefficients 2, 2, 1 respectively

Therefore;

The balanced equation is;

2H₂O₂ → 2H₂O + O₂

Thus, Suitable coefficients are, 2, 2, 1

5 0
3 years ago
1. The forks shown are made of silver (Ag). Some of the silver forks
Anon25 [30]

Answer:

Corrosion

Explanation:

Silver, although known as a nobble metal, is also subject to corrosion process such as having silver tarnish when exposed to sulfur and air.

Tarnishing occurs on the surfaces of some metals such as brass, copper, and silver, which results in a corroded layer. Silver tarnish occurs from the chemical reaction that takes place when silver is exposed to sulfur which results in the formation of black Ag₂S

In order to restore the original silver surface, the silver tarnish (silver sulfide) layer is removed.

We have the statement presented here as follows;

The forks shown are made of silver (Ag). Some of the silver forks shown have lost their luster - they have become tarnished. This is an example of <u>Corrosion.</u>

4 0
3 years ago
1. Girona y Castellón están separadas 360 km. Un tren sale de Girona hacia Castellón con
Vlad [161]

Answer:

Ambos trenes tardarán 2 horas y 24 minutos en cruzarse.

Explanation:

Dado que el tren que sale de Girona lo hace una hora antes que el que sale de Castellón, y que circula a 108 km/h, al momento en que el tren que parte de Castellón inicia su recorrido la distancia entre ambos trenes, que en principio es de 360 km, se ha reducido a 252 km (360 - 108).

Así, luego de la primer hora de recorrido, ambos trenes se separan por 252 km. A la segunda hora, el tren de Girona ha recorrido otros 108 km, mientras el tren de Castellón ha recorrido 72 km, es decir, en total han acortado otros 180 km, con lo cual la distancia entre ambos ahora es de 72 km (252 - 180).

Ahora, para la última parte del recorrido, se debe dividir el horario. Así, el tren de Girona recorre 108 km en una hora, con lo cual, en 20 minutos, puede recorrer 36 km. A su vez, el tren de Castellón puede recorrer en el mismo tiempo 24 km, con lo cual, tras 2 horas y 20 minutos, la distancia entre ambos es de 12 km (72 - 60).

Para los últimos 12 km, debe dividirse el horario por un número menor. Así, en 4 minutos (60 / 15 = 4), el tren de Girona recorre 7.2 km (108 / 15 = 7.2), mientras que el tren de Castellón recorre 4.8 km (72 / 15 = 4.8). Así, dado que 7.2 + 4.8 es igual a 12, es decir, los km que faltaban para que ambos trenes se cruzaran, el tiempo en el cual ambos trenes tardarán en cruzarse es de 2:24 horas.

7 0
3 years ago
Last question anyone??
galben [10]

Answer:

3=8908-=698=49=304=+74950=405=0381=01=20

55555%

Explanation:

3 0
3 years ago
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