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
Svet_ta [14]
3 years ago
12

An experiment applies heat to a substance and produces a gas that is a new and different substance. Choose the true statement.

Chemistry
1 answer:
bearhunter [10]3 years ago
4 0
Well if the change is reversible then it is a physical change, but if not then it is a chemical change.
You might be interested in
PLEASE HURRY LIMITED TIME
Stolb23 [73]
3rd one sorry if it’s wrong
3 0
2 years ago
A gas sample is found to contain 39.10% carbon, 7.67% hydrogen, 26.11% oxygen, 16.82% phosphorus, and 10.30% fluorine. If the mo
Doss [256]

Answer:

C6H14O3F

Explanation:

The first step is to divide each compound by its molecular weight

Carbon

= 39.10/12

= 3.258

Hydrogen

= 7.67/1

= 7.67

Oxygen

= 26.11/16

= 1.63

Phosphorous

= 16.82/31

= 0.542

Flourine

= 10.30/19

= 0.542

The next step is to divide by the lowes value

3.258/0.542

= 6 mol of C

7.67/0.542

= 14 mol of H

1.63/0.542

= 3 mol of O

0.542/0.542

= 1 mol of P

0.542/0.542

= 1 mol of F

Hence the molecular formula is C6H14O3F

5 0
2 years ago
Who was on the grand committee
Rzqust [24]

Answer:

European Union was on grand committee

6 0
3 years ago
The _________ indicates that 70% of the Sun's radiation is contained on Earth and 30% is reflected back into space.
vichka [17]

i think it would be  Earth's albedo hope this helps

4 0
3 years ago
Read 2 more answers
Be + O2 --&gt; BeO<br><br> Balance this and what's the type of reaction?
max2010maxim [7]

Answer:

2Be + O2 = 2BeO

its a synthesis

Explanation:

7 0
2 years ago
Other questions:
  • Almost. treating an acyl chloride with a grignard reagent tends to form (via two steps) an alcohol. what reagent forms the keton
    15·1 answer
  • Which statements describe a closed circuit? Check all that apply.
    9·2 answers
  • Since atoms have more than one electron (other than atomic hydrogen) how do you account for the electrons remaining associated w
    6·1 answer
  • Ethene (c2h4) can be halogenated by this reaction: c2h4( g) + x2( g) ∆ c2h4x2( g) where x2 can be cl2 (green), br2 (brown), or i
    8·1 answer
  • What is the wavelength, in nm, of radiation which has an energy if 3.371 x 10^-19 joules per photon?
    8·1 answer
  • A researcher wants to test the solubility (property of being dissolved) of salt in water as the temperature of the water increas
    13·1 answer
  • Help solve this page please
    13·1 answer
  • HELPPPPP ASAP PLEASEEE
    8·2 answers
  • What is the unit of relative atomic mass, atomic mass and average atomic mass?
    12·1 answer
  • (i)Draw an arrow to show the activation energy on the diagram.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!