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
Zinaida [17]
3 years ago
13

Which statement best describes a physical change?

Chemistry
1 answer:
yulyashka [42]3 years ago
7 0
The answer is the third one .
You might be interested in
Hi everyone can anyone help with this, the question and diagram is in the pic thx!
seraphim [82]

Answer:

QP

Explanation:

P has 9 electrons.

Electronic Configuration : 2, 7

Valence electrons : 7

P needs 1 electron to get stable electronic configuration.

Q has 3 electrons.

Electronic Configuration : 2, 1

Valence electrons : 1

P needs to loose 1 electron to get stable electronic configuration.

Q donates 1 electron,

Q -----> Q+ + 1 e-

P gains 1 electron,

P + 1 e- -----> P-

Q+ + P- -----> QP

This is an ionic compound.

8 0
3 years ago
How many moles of oxygen are required to produce 37.15 g CO2?
denpristay [2]
Carbon = 12.010. Oxygen = 15.999 x 2 15.999 x 2 = 31.998 + 12.010 = 44.008 \frac{37.15 grams * 1 mole CO2}{44.008 grams}
8 0
3 years ago
Read 2 more answers
How many minutes are in 9,040 ms
aivan3 [116]

Answer:

0.15066667

I tried, hope this helps :)

7 0
3 years ago
A solution containing equal numbers of hydrogen ions and hydroxide ions is
igor_vitrenko [27]

Answer:

The answer to your question is: Neutral

Explanation:

A neutral solution is a solution whose pH is 7.

That means that this solution has the same amount of H⁺ and OH⁻.

Examples of neutral solutions:

- distilled water

- sugar solution

- table salt

- cooking oil.

4 0
3 years ago
What charge would an arsenic, As, ion have? Explain.
leva [86]

Answer:

Arsenic (As) anion has -‐3 charge, but also forms cations with +3 or +5 charge.

Explanation:

5 0
3 years ago
Other questions:
  • Write the symbol for every chemical element that has atomic number less than 16 and atomic mass greater than 24.0 u.
    10·1 answer
  • Remical Reactions 8.P.13 1 8 of 40
    11·1 answer
  • What conclusion may be made based on this graph?
    5·2 answers
  • Which of the following is the correct Lewis structure diagram for Neon? (2 points)
    11·1 answer
  • A mixture of nitrogen and hydrogen gases, at a temperature of 500
    10·1 answer
  • During all chemical reactions, mass, energy, and charge are
    15·1 answer
  • How many grams are in 2.54 x 10^23 molecules of CO2
    7·1 answer
  • How many moles of each element are in one mole of (NH4)2S? (3 points)
    5·2 answers
  • What chemical bond does dinitrogen pentachloride have
    5·1 answer
  • (01.07 но) An experiment was conducted to determine the density of a liquid. The table shows a partial record of the experiment
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!