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
s344n2d4d5 [400]
2 years ago
11

Help me with this question please

Chemistry
1 answer:
mash [69]2 years ago
6 0

<u>Answer:</u>

a. Oxidising agent: Cl₂

b. Reducing agent: NaBr

c. Oxidised: NaBr

d. Reduced: Cl₂

e. Oxidation numbers before reaction: Cl= 0, Na= +1, Br= -1

f. Oxidation numbers after reaction: Cl= -1, Na= +1, Br= 0

<u>Explanation:</u>

Oxidising agents reduces themselves, oxidising other elements/compounds.

Reducing agents oxidise themselves, reducing other elements/compounds.

Oxidation is the <u>loss</u> of electrons or an <u>increase</u> in oxidation number.

Reduction is the <u>gain</u> of electrons or <u>decrease</u> in oxidation number.

You might be interested in
Consider the following balanced reaction. What mass (in g) of CO2 can be formed from 288 mg of H2CO3 → H2O CO2 A 14.01 g sample
WINSTONCH [101]

Answer:

0.198 g CO2 plz mark me brainliest

Explanation:

6 0
3 years ago
i need help im a dum bleep who kept talking to guys on dc and one wont leave me alone what do i do (▰˘◡˘▰) (i already blocked hi
Andrew [12]

Answer:

Delete your discord acc, and make another one. Prob should change email tbh. If he keeps doing it you can report him, because it's like online stalking.

Explanation:

6 0
3 years ago
What do chemists think is the best measurement of concentration for describing the concentration of a solid solute dissolved in
lara31 [8.8K]

Answer:

Molarity.

Explanation:

  • The molarity (M) of a solution is defined as the no. of moles of solute that dissolved in 1.0 liter of the solution.

M = (mass / molar mass) of the solute (1000 / volume of the solution).

<em>So, the best measurement of concentration for describing the concentration of a solid solute dissolved in one liter of a liquid solution is Molarity.</em>

6 0
4 years ago
When pure methanol is mixed with water the resulting solution feels warm would you expect this solution to be ideal?Explain
Pepsi [2]

Answer:

No

Explanation:

In ideal solutions, the interactions between solute - solvent are approximately the same as those of solute - solute and solvent - solvent, that is the interactions are to be practically indistintiguishable after disolution.

The moment we have a release of energy (the solution feels warm) we are to conclude that there are strong interactions between the water and methanol molecules so we would expect the solution to be non ideal.

The reason for the interactions is the presence of hydrogen bonds between methanol and water.

5 0
3 years ago
Complete the chart. (Remember to enter a "0" if necessary.)
antoniya [11.8K]
Just remember how many electrons can each sublevel hold.

S=2
P=6
D=10

Since we have 10 for atomic number, we can assume we have 10 electrons

1S2
2S2
2P6
The rest have zero because we already have 10 (2+2+6=10)
3 0
4 years ago
Read 2 more answers
Other questions:
  • Write the complete and balanced chemical equation for this precipitation reaction. feso4(aq)+ba(oh)2(aq)→
    6·1 answer
  • using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective sub
    13·2 answers
  • What is extremely lightweight and exists in a cloud orbiting the nucleus
    11·2 answers
  • Can you please help me with these true and false questions thanks!
    8·1 answer
  • What do wind turbines do to moving air? ​
    15·2 answers
  • Which BEST explains why the ice cube sank in the liquid?
    11·2 answers
  • What is a measureing tape used for​
    10·2 answers
  • 15. Which portion of a molecule of F20 has partial positive charge?
    5·2 answers
  • Where did Rutherford believe the protons were found?
    9·2 answers
  • Please Help Me
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!