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
PolarNik [594]
3 years ago
14

What element melts at -157°c

Chemistry
1 answer:
MrRissso [65]3 years ago
6 0

Answer:

Krypton

Explanation:

You might be interested in
The image shows particles of salt dissolved in water.
aalyn [17]

Answer:

Salt particles will diffuse and towards where it is less that is left !!

so your answer is A !! left through diffusion !!

Explanation:

6 0
3 years ago
Read 2 more answers
5. Which of the following can be classified as a mixture ?
podryga [215]

5. B air is a mixture of many elements, but is not a chemically fused.


6. B Beef stew, composition varies throughout.


7. A. They can be chemically separated into their component elements, but they are all homogenous, and as such, have constant composition, which differs from the components properties, as the components must undergo a chemical change to become compounds.

5 0
3 years ago
Can you tell me name of Chemicals in food?​
Artyom0805 [142]

Answer:

Guar gum

sodium nitrite

artificial food colorings

monosodium glutamate

etc

6 0
3 years ago
Es un cambio natural o provocado, donde se produce energía para agua y dióxido de carbono: a)Precipitación. b)Fermentación c) Ef
Andre45 [30]

Answer:

d) Combustión.

Explanation:

¡Hola!

En este caso, dado que estamos enfocados en el concepto de cambio químico, el cual se caracteriza por exhibir un cambio en la composición e identidad de las sustancias iniciales (reactivos) a otras finales (productos).

Ahora bien, como se nos dice que los productos de este cambio químico son energía, agua y dióxido de carbono, inferimos que el nombre de este proceso es d) Combustión, por ejemplo la combustion del gas natural para calentar nuestras comidas en la cocina.

¡Saludos!

6 0
3 years ago
why do we heat the test tube in a glass beaker during a chemistry experiment and not directly over a flame?
bearhunter [10]
It is not directly over a flame because it depends on the substance you might not want to heat it too much.you never know what could happen
7 0
4 years ago
Other questions:
  • Why hf has higher boiling point greater than nh3
    13·1 answer
  • Recrystallization Step: The procedure asks for using equal amount by mass of the crude product and the recrystallization solvent
    5·1 answer
  • The chemical equation below shows the reaction between carbon dioxide (CO2) and lithium hydroxide (LiOH). CO2 + 2LiOH mc011-1.jp
    13·2 answers
  • How is a hydroponic garden different from a normal garden?
    13·2 answers
  • What is the overall reaction order for this rate law: rate= k[a][b]?
    6·1 answer
  • PLEASE ANSWER.
    15·1 answer
  • What is the bond order of N2+
    7·1 answer
  • Please Help!!
    10·2 answers
  • Answer the question below based on the periodic table entry for iron.
    13·1 answer
  • when glycerol reacts with three different fatty acids, how many stereogenic centers does the product triacylglycerol contain?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!