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
Trava [24]
3 years ago
8

Can anyone please help me

Chemistry
1 answer:
mixas84 [53]3 years ago
4 0
Q1. Chemical, Physical, Physical, Physical
(l am not 100% sure about the 4th answer)

Q2. All of the above 
You might be interested in
Which of the following statements is accurate
Rufina [12.5K]
A. If an objects velocity is decreasing, the object is said to be decelerating not accelerating.
B. If an objects velocity changes, it is either experiencing acceleration or deceleration 
C. If an object is said to be decelerating, its velocity must be decreasing.
D. If an objects velocity remains constant, its acceleration is zero. 

∴ B is correct
3 0
3 years ago
Read 2 more answers
What is the colour of Bromine
nydimaria [60]
Reddish brown colour
5 0
3 years ago
Read 2 more answers
What is an atom with 2 protons and 4 neutrons
Katena32 [7]
Helium,it has an atomic mass of 4,which means total no. of protons and neutrons,so I think you meant 2 protons and an atomic mass of 4
7 0
3 years ago
How do you separate iron and steel from the industrial waste
Volgvan

Iron and steel are magnetic in nature. So you can use a magnet to separate them

5 0
3 years ago
The town of Natrium, West Virginia, derives its name from the sodium produced in the electrolysis of molten sodium chloride (NaC
Alona [7]

Explanation:

The reaction equation will be as follows.

           Na^{+} + e^{-} \rightarrow Na(s)

Hence, moles of Na = moles of electron used

Therefore, calculate the number of moles of sodium as follows.

       No. of moles = \frac{mass}{\text{molar mass}}

                             = \frac{4500 g}{23 g/mol}    (as 1 kg = 1000 g)

                             = 195.65 mol

As,     Q = n \times F       where F = Faraday's constant

              = 195.65 mol \times 96500 C

              = 1.88 \times 10^{7} mol C

Relation between electrical energy and Q is as follows.

               E = Q \times V

Hence, putting the given values into the above formula and then calculate the value of electricity as follows.

              E = Q \times V

                 = 1.88 \times 10^{7} \times 5

                 = 9.4 \times 10^{7} J

As 1 J = 2.77 \times 10^{-7} kWh

Hence,      \frac{9.4 \times 10^{7}}{2.77 \times 10^{-7}} kWh

                = 3.39 kWh

Thus, we can conclude that 3.39 kilowatt-hours of electricity is required in the given situation.

7 0
3 years ago
Read 2 more answers
Other questions:
  • Which are the intermolecular forces that can act between non-polar molecules?
    10·1 answer
  • 4. Each time that you prepare a diluted bleach solution you will want it to have a [OH-] = 0.02. Calculate how much 1.00 M NaOH
    12·1 answer
  • Deciding that she was thirsty, Ms. Smith decided to mix up some lemonade using 2 tablespoons of lemonade, and 2 cups of water. W
    14·1 answer
  • Odd one out:<br>a) CH3COOH<br>c) CuSO4<br>b) NaOH<br>d) H2SO,​
    6·1 answer
  • What is a section of a chromosome that codes for a particular characteristic
    7·2 answers
  • If i have a 50 liter container that holds 45 moles of gas at a temperature of 200 degrees C, what is the pressure inside the con
    11·1 answer
  • What is the pH of a 3 x 10-4 M solution of HNO3?​
    6·1 answer
  • In neutron moderation, neutrons are slowed down so that:
    8·1 answer
  • WILL GIVE BRANLIEST!! EASY BUT I WAS TO LAZY TO LEARN!! WILL FOREVER BE GREATFUL!!!
    10·1 answer
  • Create an atom diagram using the Bohr model. Directions Choose three elements from the following list. Use a periodic table to d
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!