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
worty [1.4K]
3 years ago
7

What’s the oxidation number of k2so4

Chemistry
1 answer:
yarga [219]3 years ago
3 0
K2so4
the oxidation  number of sulphur
2[1]+s+4[-2]=0
2+s-8=0
s=-6
You might be interested in
Which of the following items is NOT a compound?
Ede4ka [16]
NaOH but you didnt give options
7 0
2 years ago
What does a graduated cylinder use units of
Anni [7]

Explanation:

answer: uuuuh so sorry if i get wrong so basically  they will practice measuring different liquids. They will use a container called a graduated cylinder to measure liquids. Graduated cylinders have numbers on the side that help you determine the volume. Volume is measured in units called liters or fractions of liters called milliliters (ml).

(defently not copy and pasted)

6 0
3 years ago
A car driver accelerates to a speed of 35 mph and then takes her foot off the gas pedal. Even though she does not press the brak
RSB [31]
The list of options to answer this question is:

A.kinectic energy is transformed into thermal energy.

B.electrical energy is transformed into potential energy.

C.potential energy is transformed into kinectic energy.

D.mechanical energy is transformed into chemical energy.

The answer is the option A. A.kinectic energy is transformed into thermal energy.

As you know energy cannot be lost but transformed.

When friction force acts over the tyres it increases the speed of the particles in the tyres which is thermal energy, this thermal energy increase comes from kinetic energy loss.
7 0
3 years ago
What is the eccentricity of mercury
suter [353]
According to my astronomy book, it's about 0.206
6 0
3 years ago
Read 2 more answers
In order to say that carbon dioxide caused global warming scientists had to A.Come up with a mechanism that made sense and test
Bumek [7]

Answer:

Option A.

Explanation:

Option A directly tests the cause and effect. Option B simply argues it argumentatively without any solid evidence to show cause and effect. Option C only shows correlation and Option D only shows correlation as well.

6 0
3 years ago
Other questions:
  • Be sure to answer all parts. The sulfate ion can be represented with four S―O bonds or with two S―O and two S═O bonds. (a) Which
    10·1 answer
  • THIS IS URGENT
    9·2 answers
  • What happens to seawater temperatures as you go deeper into thr ocean?
    11·2 answers
  • A 1.25 g sample of aluminum is reacted with 3.28 g of copper (II) sulfate. What is the limiting reactant? 2Al(s) + 3CuSO4(aq) →
    11·1 answer
  • If solution A has twice as much solute as solution B is it possible for them to have the same concentration
    5·1 answer
  • In an aqueous solution of a certain acid the acid is 0.10% dissociated and the pH is 4.06. Calculate the acid dissociation const
    14·1 answer
  • What are the four combination air masses that can develop?
    11·1 answer
  • Which factor affects kinetic energy but not potential energy?
    9·1 answer
  • Arrange these elements according to electron affinity.<br><br> a. He<br> b. C<br> c. F
    15·1 answer
  • Hello BEANS would you like to play a game knok knok
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!