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
dedylja [7]
3 years ago
9

Answer to A please! ASAP

Chemistry
1 answer:
Tanya [424]3 years ago
5 0
The answer is electron
You might be interested in
Based on the nebular Theory, which of these is a step in the formation of a new planetary system?
never [62]
A. evaporation of water
8 0
3 years ago
Read 2 more answers
The acid-dissociation constant for benzoic acid (C6H5COOH) is 6.3×10−5. Calculate the equilibrium concentration of H3O+ in the s
raketka [301]

Answer : The equilibrium concentration of H_3O^+ in the solution is, 2.1\times 10^{-3}M

Explanation :

The dissociation of acid reaction is:

                       C_6H_5COOH+H_2O\rightarrow H_3O^++C_6H_5COO^-

Initial conc.        c                                 0                0

At eqm.             c-x                                 x                x

Given:

c = 7.0\times 10^{-2}M

K_a=6.3\times 10^{-5}

The expression of dissociation constant of acid is:

K_a=\frac{[H_3O^+][C_6H_5COO^-]}{[C_6H_5COOH]}

K_a=\frac{(x)\times (x)}{(c-x)}

Now put all the given values in this expression, we get:

6.3\times 10^{-5}=\frac{(x)\times (x)}{[(7.0\times 10^{-2})-x]}

x=2.1\times 10^{-3}M

Thus, the equilibrium concentration of H_3O^+ in the solution is, 2.1\times 10^{-3}M

4 0
3 years ago
Which is the noble gas notation for chlorine?
Nikitich [7]
The answer is [Ne] 3s^2 3p^5 because chlorine is the fifth element in the 3rd row of elements in in p orbital
3 0
3 years ago
Read 2 more answers
A baker is decorating cupcakes using 3 cherries for every 1 cupcake. If the baker has 12 cherries and 5 cupcakes, what is the th
11111nata11111 [884]
C. 4 decorated cupcakes.

Because 12 divided by 3 = 4, so you can have 4 cupcakes each with 3 cherries
7 0
3 years ago
Read 2 more answers
Which of the following is a strong acid?<br><br> OH–<br><br><br> HCl<br><br> NaCl<br><br> NaOH
Paul [167]
The answer is HCL 
Hope this helps!

5 0
3 years ago
Read 2 more answers
Other questions:
  • A 0.300 m solution of hcl is prepared by adding some 1.50 m hcl to a 500 ml volumetric flask and diluting to the mark with deion
    9·1 answer
  • In 1887, Albert A. Michelson and Edward W. Morley conducted an experiment to measure the speed at which the Earth moves through
    13·2 answers
  • Which situation would be considered pseudoscience?
    11·2 answers
  • HELP WILL MARK BRAINIEST IF ANSWER WAS RIGHT!
    5·1 answer
  • According to your results, rank the household products that you have used according to the strength of acidity?
    7·1 answer
  • Of the following gases, ______ will have the greatest rate of effusion at a given temperature.A) NH3B) CH4C) ArD) HBrE) HCl
    9·1 answer
  • What is molar concept​
    6·1 answer
  • The boiling point elevation of an aqueous sucrose is found to be 0.39 Celsius. What mass of sucrose (molar mass = 342.30g/mol) w
    13·1 answer
  • A gas occupies 56 L at 73°C. What volume will the gas occupy if the temp. cools to 0°C?
    9·1 answer
  • Arrange the following groups of substances in order, highest boiling point first (i) He, Ne and Ar (ii) Bromomethane, Fluorometh
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!