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
spin [16.1K]
3 years ago
10

Help! Please :) Thank you

Chemistry
1 answer:
BartSMP [9]3 years ago
5 0
First one??

I believe this is the correct answer
You might be interested in
When developing an experimental design, which action would improve the
11111nata11111 [884]

Answer:

A

Explanation:

I'm right I took the test

4 0
2 years ago
write the equation that matches the description one atom of zinc reacts with one atom of sulfur to yield one molecule of zinc su
Elis [28]

Answer: Zn + S —> ZnS

Explanation:

3 0
3 years ago
Which of the following pieces of information is given in a half-reaction?
puteri [66]

Answer:

<em>The number of electrons transferred in the reaction</em>

Explanation:

8 0
3 years ago
A solid precipitates from a solution, absorbing heat as it does so. a. Yes b. No c. Can't decide with information given.
inn [45]

Answer:

c. Can't decide with information given.

Explanation:

The chemical and physical processes can be classified as endothermic or exothermic. The first one happens when the system absorbs heat, so the temperature of the surroundings will decrease, and the other one happens when the system releases heat, then the temperature of the surrounds will increase.

Precipitation is the formation of a solid in a solution. The process can happen with absorption or release of heat, it depends on the substance. So, with the information given it's impossible to say it.

3 0
3 years ago
Câu 3: Nêu phương pháp hóa học nhận biết các dung dịch không màu sau: (a) HCI, NaOH, H2SO,, NaCl. (b) HNO3. KOH, BaCl. Ca(OH)2.
True [87]

Answer:

uvo 8hih8hjfiuwubosbwbhp0heg

5 0
3 years ago
Other questions:
  • Which statement about oxidation and reduction in a voltaic cell is true?
    11·2 answers
  • Can you help me understand this ? I completely dont understand it ​. i know the tire will burst.
    15·2 answers
  • A same of gas in a rigid container is at 25.0Cand 1.00atm. What is the pressure of the sample when heated to 220.0C
    11·1 answer
  • PLEASE ANSWER
    9·2 answers
  • Explain why ionic compound do not form molecules.
    9·1 answer
  • Which one of the following equations is properly balanced? a. CH 3CHO + 3O 2 → 2CO 2 + 2H 2O b. NH 4NO 3 → 2H 2O + N 2 c. Na 2CO
    15·1 answer
  • Pb(CH3COO)2 + H2S --&gt; PbS + CH3COOH 1. How many moles are produced of PbS when 5.00 grams of Pb(CH3COO)2 is reacted with H2S?
    10·1 answer
  • An HCl solution has a pH of 3.350. After some NaOH was
    7·1 answer
  • When 6.040 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 18.95 grams of CO2 and 7.759 grams of H
    13·1 answer
  • What is another factor that can influence osmosis?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!