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
artcher [175]
3 years ago
11

A substance that contains various elements or compounds without bonding or fixed proportions is a(n) _____.

Chemistry
2 answers:
Flauer [41]3 years ago
8 0
Is a mixture! .......
nika2105 [10]3 years ago
3 0

mixture is the answer

You might be interested in
An ultraviolet ray of light has a wavelength of 1.5x10^-8 m. What is the ray's<br> frequency?
frutty [35]

Answer:

2 E16 Hz    or     2 * 10^16 Hz

Explanation:

The formula to determine frequency is f = c / λ.

f = frequency

c = speed of light

λ = wavelength

f = 3E8 / 1.5E-8

f = 2E16

This makes sense because UV light exists roughly

between 8E14 Hz and 3E16 Hz ----- 2E16 Hz falls in that range

8 0
3 years ago
Determina el pH de una solución si la concentración de H es 3.5 x 10 molar, e indicar si es acido o bas
erastovalidia [21]

Answer:

Explanation:

IT'S FOR NOW, PLEASE DELIVER IT TODAY !!! I NEED HELP IT'S CHEMICAL WORK...

5 0
3 years ago
A gas has a volume of 25.0 mL when under a pressure of 525 mmHg. What is the new pressure when the volume has been increased to
Fudgin [204]

Answer:

152.26 mmHg

Explanation:

pv=p'v'

525× 25=p'×86.2

p'=525×25÷ 86.2

p'=152.26

5 0
3 years ago
In the compound CO2, how many lone pairs are on the central atom?
Cloud [144]
There are 4 lone pairs of electrons present in the carbon dioxide molecule 
4 0
3 years ago
Why do engineers use metals in making<br> electrical wires
Montano1993 [528]

Answer:

Why is copper used for most electrical wiring? All metals have some amount of resistivity to electrical currents, which is why they require a power source to push the current through. The lower the level of resistivity, the more electrical conductivity a metal has

4 0
3 years ago
Other questions:
  • Helium balloons stay the same size as you hold them, but swell and burst as they rise to high altitudes when you let them go. Wh
    9·1 answer
  • which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal p
    11·1 answer
  • When the above equation is balanced the coefficients in order are
    11·1 answer
  • Explain how temperature can affect the speed of reaction. Give an example.
    15·1 answer
  • 21&lt;2x+3 help fast please ​
    10·2 answers
  • the radioactive particle that is positively charged and has two protons and two neutrons is the _____. alpha particle beta parti
    14·2 answers
  • Determine the Ka for CH3NH3+ at 25*C. The Kb for CH3NH2 is 4.4 x 10-4.
    8·1 answer
  • Hey guys you should all call this number and leave a funny voicemail
    7·1 answer
  • A student has a balloon with a volume of 2.5 liters that contains 4.0 moles of air. The ballon has a small leak, allowing one mo
    9·1 answer
  • I need help please....
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!