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
konstantin123 [22]
3 years ago
14

Can someone explain to me how to do this??!!!

Chemistry
1 answer:
pantera1 [17]3 years ago
6 0
Al is 1.
As for NO3,it is one entity, an the whole thing is being multiplied by 3. Use the distributive property from math.
N is 3.
And O is 9.
In total, there are 13 atoms.
You might be interested in
Hi! It would be awesome if you could answer this soon. 20 points!
NikAS [45]

Answer:

2HgO    →     2Hg      +  O₂

The reaction is a decomposition reaction because from one reactant two products were obtained

Explanation:

The problem here involves balancing the chemical reaction given and also classifying the reaction.

 The unbalanced expression is given as:

              HgO    →     Hg      +  O₂

Assign the alphabets a,b and c as coefficients that will balance the equation

           aHgO    →     bHg      +  cO₂

Conserving Hg: a  = b

                   O:    a  = 2c

So, let c  = 1, a  = 2 b  = 2

Therefore;

       2HgO    →     2Hg      +  O₂

The reaction is a decomposition reaction because from one reactant two products were obtained

3 0
3 years ago
The fossils in line 4 __ are the ones in line 1
Alex777 [14]
I’m sorry I didn’t understand can you please add more details please thank you
8 0
3 years ago
Read 2 more answers
A substance that will change shape to fit its container but has a definite volume is in a _____ phase of matter
larisa86 [58]
It’s a liquid because it can form any shape to fit container but the amount of liquid always stayed the same unless dropped some.
3 0
4 years ago
if the Celsius temperature of a gas at constant pressure is increased from 10 Celsius to 20 Celsius the volume is
svet-max [94.6K]

Answer:

               The volume is increased.

Explanation:

                     According to <em>Charles' Law</em>, " <em>at constant pressure the volume and temperature of the gas are directly proportional to each other</em>". Mathematically this law is presented as;

                                                    V₁ / T₁ = V₂ / T₂   -----(1)

In statement the data given is,

T₁  =  10 °C  =  283.15 K                    ∴  K  =  273.15 + °C

T₂  =  20 °C  =  293.15 K

So, it is clear that the temperature is being increased hence, we will find an increase in volume. Let us assume that the starting volume is 100 L, so,

V₁  =  100 L

V₂  =  Unknown

Now, we will arrange equation 1 for V₂ as,

                                                    V₂  =  V₁ × T₂ / T₁

Putting values,

                                     V₂  = 100 L × 293.15 K / 283.15 K

                                     V₂  = 103.52 L

Hence, it is proved that by increasing temperature from 10 °C to 20 °C resulted in the increase of Volume from 100 L to 103.52 L.

3 0
3 years ago
I need help on the question will mark brainliest!!
slava [35]

Answer:

satellites

Explanation:

hope this is helpful

3 0
3 years ago
Read 2 more answers
Other questions:
  • An unknown compound has a percent composition of 52.10% potassium, 15.8% carbon, and 32.1% oxygen. The molar mass of the compoun
    5·2 answers
  • Can somebody help me please? it’s urgent
    5·1 answer
  • Determine how many atmospheres or pressure are equal to 65.78
    11·1 answer
  • Why do clouds for when a warm air mass collieds with a cold air mass?
    13·1 answer
  • The destructive force of waves is not felt while they are out at sea, in the open ocean, but it is felt when they do what?
    12·2 answers
  • True or false gasses can apply a force on an object
    6·2 answers
  • Lolgfssfhjfddccccvvbjn
    6·2 answers
  • Give 7 and example of how each wave in the EM spectrum in used in our daily lives
    8·1 answer
  • Mastering Problems
    9·1 answer
  • Q2 Write the following measurements in scientific notation using the concept of significant figures.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!