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
RUDIKE [14]
3 years ago
5

(PLEASE HELP ASAP) Which chemical equation models the law of conservation of mass?

Physics
2 answers:
Vlada [557]3 years ago
5 0

Answer:

B.) 3KOH + H3PO4 -> K3PO4 +3H20

Explanation:

:p

OLga [1]3 years ago
3 0

Answer:

I think A is the correct .

Explanation:

Hope this will help you.

You might be interested in
Why does a round pizza come in a square box? Random questions
denpristay [2]

Answer:

because they dont know how big it willactually be? idk

or so deep dish can fit too

4 0
3 years ago
Read 2 more answers
Which of the following accurately describes the behavior of water when subject to temperature change? A. The volume of water wil
nata0808 [166]

Choices 'C' and 'D' are both correct.

(Except in 'C', changing the temperature from 1°C to 3°C is not usually
described as 'cooling', and it's not the water's 'mass' that changes.  But
water does contract in volume during that change.)
8 0
3 years ago
Describe what happens to the electric field lines when two objects with unlike charges are brought near each other.
harina [27]
Hello.

The answer is:

It creates a spark.

Then thespark can sometimes start a fire or other serious problems.

Have a nice day
4 0
3 years ago
Read 2 more answers
In the diagram, q1 = -6.39*10^-9 C and q2 = +3.22*10^-9 C. What is the electric field at point P? pls help
Alexxx [7]

Answer:

Below

Explanation:

First draw the vectors that represent both electric fields.

E1 is the elictric field created by q1, E2 is the one created by q2.

● q1 is negative so E1 will point from P.

● q2 is positive so E2 will point out of P

(Picture below)

■■■■■■■■■■■■■■■■■■■■■■■■■■

The resulting electric field is equal to the sum of the two fields since both vectors are colinear.

Let E be the total field.

● E = E1 + E2

The formula of the electric field intensity is:

● E = K ×(q/d^2)

-K is Coulomb's constant

-d is the distance between the charge and the object ( here P)

-q is the charge

■■■■■■■■■■■■■■■■■■■■■■■■■■

● E1 = K × (q1/d1^2)

The distance between q1 and P is the qum of 0.15 m 0.25 m. (0.4 m)

Coulombs constant is 9×10^9 m^2/C^2

● E1 = 9×10^9 ×[-6.39 × 10^(-9)/ 0.4^2]

● E1 = -359.43 N/C

■■■■■■■■■■■■■■■■■■■■■■■■■■

● E2 = K ×(q2/d^2)

The distance between q2 and P is 0.25 m.

● E2 = 9×10^9×[3.22×10^(-9) /0.25^2]

● E2 = 463.68 N/C

■■■■■■■■■■■■■■■■■■■■■■■■■■

● E = E1 + E2

● E = -359.43+463.68

● E = 105.25 N/C

4 0
3 years ago
Read 2 more answers
Why is an object's density expressed as a combination of two units
miss Akunina [59]
Well, first of all, EVERY physical quantity is measured in a combination
of 2 or more units, except for mass, length, time, and electric charge. 
ALL other units are made out of these.  So it should not surprise you.

[  Example:  Speed  =  (length) / (time)  ]

Density is not the mass of a substance.  It's the mass of a substance in
a standard volume of it.  So the density is made of the mass in any lump
and the volume of that lump.  That way, no matter how much of a substance
you have, you can always compare the lump you have to all other substances. 
6 0
3 years ago
Other questions:
  • A stone is tied to a 0.85-meter cord. it is swung in a circle at a constant rate of 6.0 m/s. what is the centripetal acceleratio
    12·1 answer
  • Acid mine drainage is:
    10·1 answer
  • Blind spots of large vehicles are called
    10·2 answers
  • Select the correct answer. Which sentence about particles in matter is true? A. Atoms are present in solids and liquids but not
    5·1 answer
  • Electric force and magnetic force are the only forces that can both do what? *
    14·1 answer
  • Linda has a cup of coffee sitting in the cup holder in her car. She has to suddenly slam on her brakes and stop. The cup remaine
    14·1 answer
  • HELP NOW PLS !!
    12·1 answer
  • What is the difference between total distance covered vs. total displacement of the rube goldberg
    5·1 answer
  • An experiment is carried out to measure the extension of a rubber band for different loads.
    6·1 answer
  • when two resistors are wired in series with a 12 v battery, the current through the battery is 0.31 a. when they are wired in pa
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!