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
irga5000 [103]
3 years ago
5

The acid dissociation constant ka for an unknown acid ha is 4.57 x 10^-3 what is the base dissociation constant kb for th econju

gate base of the acid anion a-

Chemistry
1 answer:
SashulF [63]3 years ago
4 0

Answer:

2.19 x 10^-12.

Explanation:-

The relation between Ka and Kb for an acid and it's conjugate base is

Ka x Kb = Kw where Kw = ionic product of water.

So Kb = 10^-14 / (4.57 x 10 ^ -3)

= 2.19 x 10^-12

You might be interested in
Heat energy is transferred on Earth by the processes of convection, conduction, and radiation. How does heat energy cause materi
lana66690 [7]
I think it will be D or B but my mine answer is D
5 0
3 years ago
What are the two things that characterize the practice of science
xenn [34]
The two things are hypothesis and empirical evidence
5 0
3 years ago
1. A block of plastic occupies a volume of 25.0 mL and weighs 20.5 g. What is its density? Circle or highlight
chubhunter [2.5K]
I think answer should be d. Please give me brainlest let me know if it’s correct or not okay thanks bye
4 0
3 years ago
Which is a way you would expect two animals of the same species to differ?
LuckyWell [14K]
C is the correct answer
5 0
3 years ago
Entropy A. has a strong odor B. is a measure of correlation between numeric variables C. is used to calculate information gain D
Bingel [31]

Correct option:

Entropy is used to calculate information gain.

What is entropy?

  • Entropy is the measure of data's uncertainty or randomness; the greater the randomness, the higher the entropy. Entropy is used by information gain to make choices. Information will increase if the entropy decreases.
  • Decision trees and random forests leverage information gained to determine the appropriate split. Therefore, the split will be better and the entropy will lower the more information gained.
  • Information gain is calculated by comparing the entropy of a dataset before and after a split.
  • Entropy is a way to quantify data uncertainty. The goal is to maximize information gain while minimizing entropy. The method prioritizes the feature with the most information, which is utilized to train the model.
  • Entropy is actually used when you use information gain.

Learn more about entropy here,

brainly.com/question/22145368

#SPJ4

3 0
2 years ago
Other questions:
  • A 10.00 mL sample of 8.50 M HNO3 solution is diluted to a new volume of 65.0 mL. What is the concentration of the dilute solutio
    15·1 answer
  • What is one way to test whether an unknown solution is acidic or basic?
    9·1 answer
  • ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST
    13·2 answers
  • A container holds 15.0g of phosphorous gas at a pressure of 2.o atm and temp of 20 Celsius. What is the density of the gas
    8·1 answer
  • Why do electrons flow through a wire?
    7·1 answer
  • What's the answer ???
    13·1 answer
  • Help me plzz in chemistry​
    8·1 answer
  • What is the noble Gas notation for Bromine (Br)?
    14·1 answer
  • Calculate the energy required to freeze 378 grams of water to ice at 0°c​
    11·2 answers
  • What is the benefit of substrate channeling? The PDH active site forms in the hydrophobic core of the complex instead of a surfa
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!