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Vera_Pavlovna [14]
2 years ago
9

Isotopes of an element differ due to the number of.

Chemistry
1 answer:
Alchen [17]2 years ago
7 0

Answer:

Neutrons

Explanation:

Isotopes are variations of an element that differ from the number of neutrons.

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At this lower concentration, about how many extra hydrogen bonds would be needed to hold a and b together tightly enough to form
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8 0
3 years ago
Cuantos moles de CO2 se requieren para reaccionar con 2 moles de Ba (OH)2
EastWind [94]

Answer:

hola soy jess, tu respuesta esta aqui

¿cuantos moles de CO2 se requiere para reaccionar 2 moles de Ba(OH)2

2 mol Ba(OH)₂ × \frac{1molCO_{2} }{1molBa (OH)_{2}}

1molBa(OH)

2

1molCO

2

= 2 moles CO₂

Explanation:

espero que pueda ayudarte

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3 0
3 years ago
Is it possible to transfer heat from a cold reservoir to a hot reservoir?
tankabanditka [31]

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For example,  air conditioner involves a cyclic process that transfers heat from a cold reservoir to a hot reservoir, but with use of electricity.

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8 0
4 years ago
Read 2 more answers
CuCl2 + NaNO3 -------> Cu(NO3)2 + NaCl
pav-90 [236]

Answer:

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Explanation:

3 0
3 years ago
Despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided, you should be
navik [9.2K]

Answer:

G<0, spontanteous

H<0, from equation

S>0, gas to solid

Explanation:

The small bags of silica gel you often see in a new shoe box are placed there to control humidity. Despite its name, silica gel is a solid. It is a chemically inert, highly porous, amorphous form of SiO2. Water vapor readily adsorbs onto the surface of silica gel, so it acts as a desiccant. Despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided, you should be able to make an educated guess about the thermodynamic characteristics of the process. Predict the signs of ΔG, ΔH, and ΔS.

G<0, spontanteous

H<0, from equation

S>0, gas to solid

8 0
3 years ago
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