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
Allisa [31]
3 years ago
9

Why is it important to offer evidence to support statements about experiments?

Chemistry
1 answer:
dexar [7]3 years ago
8 0
So you have evidence that the experiment is true or correct.
You might be interested in
A liquid has a _____.
guajiro [1.7K]

Answer:

definite volume

Explanation:

hope this helps!❆

3 0
2 years ago
Read 2 more answers
When a nucleus breaks up to gain a more stable ratio of protons and neutrons
Olenka [21]
I think it is a radiation poisoning
5 0
3 years ago
Antony was measuring the temperature of a solution when he accidentally dropped the thermometer on the floor. What should Antony
Inga [223]

Answer:

He should notify the teacher!

Explanation:

6 0
3 years ago
An unknown metal forms a soluble compound, M(NO3)2, which then undergoes electrolysis with an applied current of 2.50 amperes. I
frozen [14]

Answer:

The metal is the cathode

The metal is palladium

At the other cathode, the reaction going on is

M(s) ------> M2^+(aq) + 2e

Chlorine can spontaneously react with Pd converting it to Pd^2+

The molar mass of the metal is 106.4 g of M

Explanation:

Given the formula of the compound, M^2+ ion is involved. The equation of the reaction is;

M^2+(aq) + 2e -------------> M(s)

The number of moles of electrons transferred = 2 moles

1 mole of electron = 96500C

And Q= It

Where I= current

t= time taken in seconds

Now;

x g of the metal (its molar mass) is deposited by 2×96500 C

1.87 g of the metal is deposited by (2.50× 22.6×60) C

x = 1.87 × 2×96500/ 2.50 × 22.6 × 60

x= 360910/3390

x= 106.4 g of M

The metal is the cathode

The metal is palladium

At the other cathode, the reaction going on is

M(s) ------> M2^+(aq) + 2e

Chlorine can spontaneously react with Pd converting it to Pd^2+

7 0
3 years ago
SOMEONE PLEASE HELP
Snowcat [4.5K]

Answer:

a. release of heat flames or light - Physical Change

b. formation of precipitate - Chemical Change

c. change in substances size - Physical Change

d. change in an objects shape - Physical Change

e. change in an objects phase of matter - Physical Change

f. releasing gases/bubbles - Chemical Change

Explanation:

These are all either changes in physicality or in chemical structures; hope I helped either way!

6 0
3 years ago
Other questions:
  • The photoionization of N2 in the thermosphere absorbs much of the high-energy radiation coming from the sun. If the ionization e
    14·1 answer
  • Which of the following contribute(s) to most of the mass of an atom?
    15·2 answers
  • Are all physical reactions reversible?
    6·1 answer
  • Why do some earthquakes cause more damage than others?
    9·2 answers
  • Which of the following will react violently with water to form a base?
    11·1 answer
  • Looking for a bf ( NO REPORT Fr )
    9·2 answers
  • In the first order reaction A → products, the initial concentration of A is 0.1 108M, and 44 s later, 0.0554M. What is the initi
    10·1 answer
  • A geologist discovers a fault in a massive rock while out in the field. He notices that the fault occurs at an angle and that th
    13·2 answers
  • I don’t know how to do this
    13·1 answer
  • what volume will it occupied 40 degrees celsius a gas sample was collected when a temperature is 27 degrees celsius and the volu
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!