Which barium salt is insoluble in water?

Answers

Answer 1

Answer: Actually, there a lot of barium salt that is insoluble in water. These includes Barium sulfate, Barium phosphate, Barium carbonate, Barium sulfide. Sometimes it also depends on the nonmetal ion. It also includes. Barium Chromate, Barium Oxalate, all have insoluble combinations with Barium.

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Which particle makes the atom an unstable isotope?

Answers

The particle that makes the atom an unstable isotope is either excess proton or excess neutron.

What is Unstable isotopes?

Unstable isotopes are isotopes of an element that have an excess of either protons or neutrons in their atomic nucleus, making them prone to undergo radioactive decay.

Radioactive decay is the process by which an unstable atomic nucleus releases energy in the form of radiation to achieve a more stable configuration.

The specific particles that can make an atom an unstable isotope are:

Protons: If an atom has an excessive number of protons in its nucleus, it can become unstable.

Neutrons: Similarly, if an atom has an excessive number of neutrons in its nucleus, it can become unstable.

Thus, the particle that makes the atom an unstable isotope is either excess proton or excess neutron.

Learn more about unstable isotopes here: brainly.com/question/12108854

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Instability of an atoms nucleus can result from an excess of either neutrons or protons . So neutrons and protons .

The metal wire in an incandescent light bulb glows when the light is switched on and stops glowing when it is switched off. This simple process is which kind of a change?

Answers

physical change because the matter in the object is not chemically changing

Because of their large mass and charge, alpha rays are the least penetrating and least dangerous.

Answers

This is true.
Beta and Gamma radiation are the most dangerous because they can penetrate the skin, and damage the cells inside.

Alpha is the least dangerous.

2 ways in which the carbon is stored for a long time

Answers

1) Carbon can be stored as chemical energy in the cells of the plant or the animal. So, the carbon will stay stored as part of the organic material that makes up the plant or animal until it dies. When a plant or animal dies, it either decomposes and the carbon is released back into the environment; or the organic material of the organism is buried and transformed over millions of years into coal, oil, or natural gas.
2)Another way that carbon is stored for long periods of time is when carbon is used by ocean organisms. Many ocean creatures use calcium carbonate (CaCO3) to make their shells or to make the reef material where coral animals live. When algae die, their organic material becomes part of the ocean sediments, which may stay at the bottom of the ocean for many years. Over millions of years, those same ocean sediments can be forced down into the mantle when oceanic crust is consumed in deep ocean trenches. As the ocean sediments melt and form magma, carbon dioxide is eventually released when volcanoes erupt.

Una muestra contiene 160 g de bromo y 2 g de hidrógeno. Otra muestra de bromuro de un metal contiene 4 g de bromuro y 1 g de metal. Halla el peso equivalente del metal.

Answers

Answer:

$x = 40\,g$

Explanation:

El peso equivalente del metal se calcula por regla de tres simple:

$x = \left((160\,g\,Br)/(4\,g\,Br)\right)\cdot (1\,g)$

$x = 40\,g$

Answer:

El peso equivalente del metal es 1/20 g

Explanation:

Una muestra contiene 160 g de bromo y 2 g de hidrógeno. Otra muestra de bromuro metálico contiene 4 g de bromuro y 1 g de metal. Encuentra el peso equivalente del metal

Aquí tenemos la primera muestra que tiene la relación de bromo a hidrógeno de 160 g de bromo a 2 g de hidrógeno.

Eso es 160 g de bromo está presente con 2 g de hidrógeno

Dividiendo la combinación anterior por 160 para encontrar la cantidad de hidrógeno que se combina con 1 g de bromo, tenemos

(160 g) / 160 de bromo está presente con (2 g) / 160 de hidrógeno

1 g de bromo está presente con 1/80 g de hidrógeno

Por lo tanto, 4 g de bromo están presentes con 4/80 g de hidrógeno o tenemos;

4 g de bromo están presentes con 1/20 g de hidrógeno

Por lo tanto, el peso equivalente del metal = 1/20 g.

HELP ASAPFor the reaction A(g) → 2B(g), Keq = 4.5 × 105. Which statement is true for the system at equilibrium?
a) [A] >> [B]
b)Changing the temperature will have no affect on the equilibrium.
c)There is twice as much A as there is B in the reaction vessel.
d)There is more than 100 times more B then there is A in the reaction vessel.
e)There is twice as much B as there is A in the reaction vessel.

Answers

The correct answer for the question that is being presented above is this one: "d)There is more than 100 times more B then there is A in the reaction vessel." The statement is true for the system at equilibrium is that d)There is more than 100 times more B then there is A in the reaction vessel.

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