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
DerKrebs [107]
4 years ago
7

Which is the noble-gas notation for lead (Pb)?

Chemistry
1 answer:
Lelu [443]4 years ago
8 0
Which is the noble-gas notation for lead (Pb)?

[Xe]6s24f145d106p2

hope this helps.
You might be interested in
Think about something very important to you that you would like to accomplish 10 years from now. Write a short-term, medium-term
Vinil7 [7]

Answer:

Goal: to propose a strategy to mitigate carcinogenic dyes present in wastewater.

Explanation:

Hello,

Short-term: Based on my interest about the treatment of carcinogenic effluents in the dyes industry, I'm planning to develop a research about how fast microorganisms could decompose such dyes in order to provide pure water-composed outlet streams. For now, I can suggest that they could work as long as they grow in a simulated dye-rich environment.

Medium-term: In such a way, the subsequent plan is to set up the reaction scheme and the reactor design stage for this bioprocess by running several test in order to collect the experimental data to back up the proposed mathematical model.

Long-term: Finally, the start-up of the whole process starting by the inlets and operation conditions, continuing by the innermost sub processes to decompose the dye and the subsequent adaptation of the outlet streams to produce drinkable water, will be carried out in order to help the environment and living things that are highly affected by those dyes.

Best regards.

5 0
3 years ago
9.The industrial preparation of hydrogen gas from water gas is referred to as​
natima [27]

Answer: Bosch process

Explanation:

Bosch process is an industrial process for the manufacture of H2. This proces uses cheap raw materials( water and coke) to generate water gas which is mixed with water in the presence of a catalyst(iron(II) oxide or chromium(iii) oxide) to generate H2

6 0
4 years ago
Match each chemical with the correct use.
Fittoniya [83]

1. x-ray soft tissue organs  - barium  

2. reduce pain and fever- acetylsalicylic acid

3. anesthetic-  nitrous oxide  

4. treat acne - A. benzoyl peroxide

7 0
4 years ago
The phase of matter where particles at extremely high temperatures become ionized.
lesantik [10]
Plasma is the phase of matter where particles at extremely high temperatures became ionized. The phase of matter is the composition of matter which depends on temperature.  Plasma is the hot ionized gas consisting of approximately equal numbers of positively charge ions and negatively charged electrons.
6 0
4 years ago
Read 2 more answers
Calculate the hydroxyl ion concentration<br>in 0.02M solution of H2SO4<br>​
sergij07 [2.7K]
In a given solution, the concentration of hydrogen ions and hydroxide ions are related to each other by the following expression:

pH + pOH = 14

where, pH = - log[H+] and pOH = - log [OH-]

In this case, the concentration of sulfuric acid is given as 2.1 x 10^-4 M. Since each molecule of sulfuric acid (H2SO4) contains 2 atoms of hydrogen, the concentration of hydrogen ions in this solution is twice that of sulfuric acid. That is,

Concentration of H+ ions = 2 x 2.1 x 10^-4

= 4.2 x 10^-4 M

This means, pH = -log (4.2 x 10^-4) = 3.38

Since pH + pOH = 14

pOH = 14 - 3.38 = 10.62

This means, 10.62 = -log [OH-]

Solving the equation, we get [OH-] = 2.4 x 10^-11 M.

Hope this helps.
7 0
4 years ago
Other questions:
  • Consider this equilibrium: H2(g) + I2(g) 2HI(g) Keq = 50.0. What is the Keq value when the reaction rewritten: 2HI(g) H2(g) + I2
    12·2 answers
  • I WILL GIVE BRAINLIEST!
    11·2 answers
  • If 211 mL of water is added to 5.00 mL of 3.24 M NaCl solution,
    9·1 answer
  • Molarity is most often used when the solute is a solid, and the solvent is a solid. True or false
    12·2 answers
  • In what state of matter are the particles vibrating at high speeds?
    13·1 answer
  • Calculate the pH of 0.01moldm-3 of trioxonitrate (v) acid​
    11·1 answer
  • Naming compounds<br><br>does anyone know the answers for these or at least one of them ?​
    5·2 answers
  • Which process is most responsible for leaving salt molecules in ocean water?
    9·2 answers
  • soaps do not work well in hard waters. But they can still be effected it large quantities of soap are added to water. Explain wh
    5·1 answer
  • Calculate the average atomic weight of Fe if abundance of isotopes 54Fe, 56Fe and 57Fe are 5%, 90%, 5% respectively. ​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!