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
beks73 [17]
3 years ago
8

Please I really need help with this

Chemistry
2 answers:
sesenic [268]3 years ago
5 0

Answer:

B. It is used to open and close the circuit.

Ksju [112]3 years ago
3 0

Answer:

B. it is used to open and close the circuit

You might be interested in
Calculate the mass m of 6.50 moles n of kbr m
crimeas [40]

Answer:

773.51495 grams

Explanation:

1 moles KBr to grams = 119.0023 grams

6.5*119.0023 = 773.51495 grams

8 0
3 years ago
What is the pH of a 0.00530 M solution of HCI?
MrMuchimi

Answer:

2.28

Explanation:

HCl(l) ===> H+ + cl-

HCl is a very strong acid. Almost all of it will decompose to the right. That means the concentration of H+ is 0.00530

pH = - log [H+]

pH = - log[0.00530]

pH = - - 2.2757

pH = 2.2757

Rounded this 2.28

5 0
3 years ago
What volume of oxygen gas is needed to completely combust 0.202L of butane (C4H10) gas?
saveliy_v [14]

Answer:

look at the file :)

Explanation:

4 0
3 years ago
Binary Covalent (molecular) Compounds
prisoha [69]

Answer:

why is ur name different sexxxy............................................................

Explanation:

5 0
2 years ago
Match the career with the duties. 1. set goals and objectives for company corporate management 2. develop safety programs legal
Lera25 [3.4K]

1. coporate manager

2. safty enginer

3. information chemist

4. R&D

5. legal services

6. marketing


hope this helps

7 0
3 years ago
Read 2 more answers
Other questions:
  • If 0.300 moles of Cl2 is mixed with 0.600 moles of F2 in a 5.00 L rigid reaction vessel, what is the final pressure in the vesse
    13·1 answer
  • The balanced combustion reaction for C 6 H 6 is 2 C 6 H 6 ( l ) + 15 O 2 ( g ) ⟶ 12 CO 2 ( g ) + 6 H 2 O ( l ) + 6542 kJ If 8.10
    8·1 answer
  • An irregularly shaped piece of magnesium with a mass of 11.81 g was dropped into a graduated cylinder partially filled with wate
    13·1 answer
  • On the calendar, the full moon is shown happening on the eleventh of the month. What moon would you see around the date shown wi
    9·1 answer
  • Which type of prevailing wind would carry more water vapor (humidity)? (Choose one)
    13·1 answer
  • What are conditions of cis trans isomerism, justify with example?
    13·1 answer
  • Explain how the answer is 4 please
    10·1 answer
  • Potassium hydrogen phthalate, KHP, is a monoprotic acid often used to standardize NaOH solutions. If 0.212 g of KHP are dissolve
    6·1 answer
  • He nitrogen cycle is one of the most important (and complex!) of the biogeochemical cycles. Why is nitrogen important?
    8·1 answer
  • (1.) If at 100.0 mL solution contains 0.850 moles of a solute, what is the molarity ?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!