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
pychu [463]
2 years ago
8

A 5.60 g sample of a weak acid with

Chemistry
1 answer:
murzikaleks [220]2 years ago
4 0

Answer:

pKa = - log Ka = - log (1.3 * 10^-4) = 3.886 5.20 mL of 6.20 M NaOH = 0.00520 L * 6.20 mole…

Explanation:

You might be interested in
How long does it take me to travel 500 m E at a velocity of 50 m/s E?
konstantin123 [22]

Answer:15 s E

Explanation:

7 0
2 years ago
Explain, in terms of electrons, why the radius of a calcium ion is smaller than the radius of a calcium atom.
Lilit [14]
Because the calcium ion donates two electrons to achieve the stable state. So the layer of electrons decrease form 4 layers(2,8,8,2) to 3 layers(2,8,8). Thus, the radius of a calcium ion is smaller than a calcium atom.
4 0
3 years ago
Which of the following measurements is equal to 150 dL?
MrRissso [65]
This is a case of metric system of measurements. The scale of the metric system only differs by a factor of 10. The scale (from greatest to least) is kiloliter, hectoliter, dekaliter, liter, deciliter, centiliter and milliliter. If the unit is 150 dL, and you want to find the equivalent dkL measurement, just move the decimal point 2 decimals places to the left (just follow the scale). The same procedure is done for the other metric units.

150 dL = 1.5 dkL
150 dL = 15 L
150 dL = 1,500 cL
150 dL = 15,000 mL

From the choices, the answer is letter C.
6 0
3 years ago
What are the respective hybridizations of the imine nitrogen and carbonyl carbon of the CPV B-state as it is depicted in the pas
horsena [70]

Answer:

C) sp2 and sp2

Explanation:

The hybridization depens on the ammount and type of bonds the atom analized has in the molecule.

For example:

  • A C atom bonded to 4 H atoms has a sp3 hybridization.
  • A C atom bonded to 2 H atoms and to 1 C with a double bond (like in ethene) has a sp2 hybridization
  • A C bonded to 1 H and 1 C with a triple bond (like in ethyne) has a sp hybridization.

Analyzing the type and amount of unions of the nitrogen and the carbonyl you will be able to determine the hybridization.

In the imine, the N atom has a double bond to a C and a simple bond two other C, plus the lone pair of electrons (counts as a bond) so it will have a sp2 hybridization.

In the carbonyl, the C has two simple bonds to other C and a double bond to an oxygen atom. It will also have a sp2 hybridization

3 0
2 years ago
Stephanie purchased two watermelons. One watermelon weighed 6.95 kilograms. The second watermelon
leonid [27]

Answer:

7.47 kilograms

Explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • The mass number of a fluorine (F) atom is 19 . How many neutrons does it have
    9·1 answer
  • How many L are in 1,500cm^3<br><img src="https://tex.z-dn.net/?f=1500%7Bcm%7D%5E%7B3%7D%20%3D%20%5C%3A%20...%20%20%5C%3A%20liter
    13·1 answer
  • An 80-gram sample of water at 10C absorbs 400 calories of heat energy What is the final temperature of the water?
    5·2 answers
  • Which of the following statements best explains the observation that hydrogen fluoride has the highest boiling point of all the
    13·1 answer
  • List three organelles found in cells and describe their functions.
    13·2 answers
  • What is the first basic metal on the periodic table
    15·1 answer
  • What is the value for (delta)G at 1000 K if (delta)H = -220 kJ/mol and (delta)S = -0.05 kJ/(molK)?
    6·2 answers
  • A sample of nitrogen (N2) gas in a 10.0L container has a
    8·1 answer
  • What are the outcomes of the ice cap melting? Choose all that apply.
    14·1 answer
  • HELP ANYONE PLEASE PLEASE PLEASE ALSO IF THE ANSWER IS WRONG I WILL REPORT IT AND YOU WILL LOSE YOUR POINTS SO PLEASE CAN IT BE
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!