1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Keith_Richards [23]
3 years ago
14

Which reaction below represents the electron affinity of li? which reaction below represents the electron affinity of li? li(g)

+ e- → li-(g) li(g) + e- → li+(g) li+(g) → li(g) + e- li(g) → li+(g) + e- li+(g) + e- → li(g)?
Chemistry
1 answer:
gladu [14]3 years ago
3 0
Electron affinity is related to the formation of negative ions. Electron affinity can be defined as "the change in energy of a neutral atom when an electron is added to the atom forming a negative ion" To be more specific, energy (in kJ/mol) with regards to atoms (in a gaseous state/phase) Thus, the correct representation for the electron affinity of Li is [Li (g) + e- <span>→ </span> Li- (g)]
You might be interested in
How much heat must be removed from 456 g of water at 25. 0 c to hcange it into ice at 10 c
ValentinkaMS [17]

The heat required to convert water is given as the product of the mas and the latent heat. 28.34 kJ heat must be removed from the water to change it into ice.

<h3>What is heat energy?</h3>

Heat energy is the product of mass, specific heat capacity, and temperature change. It is given as,

\rm Q = mc \Delta T

Given,

Mass of water = 456 gm

Specific heat capacity = 4.186 J / g K

Temperatutre change = 14.85 K

Substituting values above:

\begin{aligned} \rm Q &= 456 \times 4.186 \times 14.85\\\\&= 28345.91\;\rm J\\\\&= 28.34\;\rm kJ\end{aligned}

Therefore, 28.34 kJ of heat energy should be removed from the water.

Learn more about the heat here:

brainly.com/question/14052023

#SPJ4

6 0
2 years ago
1
Marat540 [252]

Answer:

The correct option is <em>A) The light moths will be captured by predators more easily than the dark moths, and the population of dark moths will rise.</em>

Explanation:

As we can see, the colour of the trees do not match with the light moths. Instead, the colour of the trees resembles the dark moths. This adaptation will work best for the dark moths to protect it from its predators. The light moths lack this adaptation and can easily be attacked  by the predators. Hence, the population of the dark moth will increase as they are better adapted to live in such an environment.

3 0
3 years ago
Describe two environmental problems associated with long chain molecules
Leya [2.2K]

do you mean polymers or organic compounds?
8 0
2 years ago
Explain reaction of metals with the following with the help of chemical equations. i) with acids ii) with oxygen iii) with water
Amiraneli [1.4K]

i. When an acid reacts with metal, a salt and hydrogen are produced:

ii. When oxygen and metal react,  metal oxide forms also known as rust

iii. metal and water produce hydrogen gas

6 0
3 years ago
The idea that the earth is divided into a number of small plates that float on the mantle and slide,collide,and slip past each o
IgorLugansk [536]

Answer:

Theories

Explanation:

It is theories because it was a generalistee abstract or thinking generalising the principle of fact about Earth tectonic plates ,it was formulated and concluded as plate tectonic theories after many findings. The theories conclude that the Earth has an outer layer called lithosphere and lies overly a plastic layer called asthenosphere. The lithosphere is divided into several plates and they move close to each other where they diverge, converge or slip over one another.

7 0
2 years ago
Other questions:
  • Is bleach a pure substance or a mixture
    11·2 answers
  • N2 + 3H2 2NH3 How many molecules of H2 are in the reaction? molecules How many nitrogen atoms are present? atoms How many moles
    5·1 answer
  • How many formula units are in 9.039 moles of sodium chloride
    9·1 answer
  • if 31.2 grams of tin (IV) carbonate are actually formed when this reaction goes to completion, what is the percent yield?
    15·1 answer
  • Relative formula mass of ammonium sulphate?
    11·1 answer
  • You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). How many mL of a 1.74 M solution of AgNO3(aq) are needed to completely rea
    7·1 answer
  • Question 11 (5 points)
    14·1 answer
  • Electromagnetic waves can transfer with or without blank
    9·2 answers
  • Select the correct answer.
    6·1 answer
  • Question 10 of 10
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!