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
mina [271]
3 years ago
12

Evidence of a chemical reaction includes all of the following EXCEPT: A. baking soda and vinegar release gas bubbles B. while ch

ewing a cookie, it becomes smaller pieces so you can swallow it C. heat is generated after mixing 2 chemicals
Chemistry
1 answer:
Bumek [7]3 years ago
3 0

Answer:

B.

Explanation:

Chemical reaction have to have either a temp change, formation of precipitate, formation of gas, or color change.

- Hope that helps! Please let me know if you need a further explanation.

You might be interested in
PLEASE HELP ITS DUE TODAY!
Yuri [45]

Answer:

At one atmosphere and twenty-five degrees Celsius, could you turn it into a liquid by cooling it down? Um, and the key here is that the triple point eyes that minus fifty six point six degrees Celsius and it's at five point eleven ATMs. So at one atmospheric pressure, there's no way that you're ever going to reach the liquid days. So the first part of this question is the answer The answer to the first part of a question is no. How could you instead make the liquid at twenty-five degrees Celsius? Well, the critical point is at thirty-one point one degrees Celsius. So you know, if you're twenty-five, if you increase the pressure instead, you will briefly by it, be able to form a liquid. And if you continue Teo, you know, increase the pressure eventually form a salad, so increasing the pressure is the second part. If you increase the pressure of co two thirty-seven degrees Celsius, will you ever liquefy? No. Because then, if you're above thirty-one point one degrees Celsius in temperature. You'LL never be able to actually form the liquid. Instead, you'LL only is able Teo obtain supercritical co too, which is really cool thing. You know, they used supercritical sio tu tio decaffeinated coffee without, you know, adding a solvent that you'LL be able to taste, which is really cool. But no, you can't liquefy so two above thirty-one degrees Celsius or below five-point eleven atmospheric pressures anyway, that's how I answer this question. Hope this helped :)

5 0
2 years ago
What is the basic unit of energy?
Setler79 [48]

Answer:

Joule

Explanation:

Hope it helps!

3 0
3 years ago
Read 2 more answers
__Ca(OH)2 + __ (NH4)2SO4 ----- &gt; ___CaSO4 + ___NH3 + __H2O<br><br> A)11<br> B)5<br> C)7<br> D)9
katovenus [111]
There would be a 2 infront of the NH3 and and 2 Infront of the H2O
6 0
3 years ago
Where does the water in air come from?
Tanya [424]

Answer:

About 90 percent of water in the atmosphere is produced by evaporation from water bodies, while the other 10 percent comes from transpiration from plants. There is always water in the atmosphere.✌️

3 0
2 years ago
What is electrolysis <br><br><br> What is alternating current
trapecia [35]
It is when you separate two substances using electricity of its molten state like aluminium oxide separates to aluminium and oxygen
4 0
3 years ago
Other questions:
  • how was it possible that Mendeleev was able to predict the properties of elements that no one knew about
    12·1 answer
  • Carbon tetrachloride can be produced by the following reaction: Suppose 1.20 mol of and 3.60 mol of were placed in a 1.00-L flas
    12·1 answer
  • How many hydrogen atoms are in 105 g of water?
    12·1 answer
  • Which list of elements from Group 2 on the Periodic Table is arranged in order of increasing atomic radius?
    14·1 answer
  • N the reaction Mg + 2HCl -&gt; MgCl2 + H2 which element’s oxidation number does not change?
    8·1 answer
  • The __________ system is made up of the nose, pharynx, trachea, lungs, bronchi, and alveoli. *
    11·2 answers
  • Which choice is a biotic factor of an ecosystem?
    10·1 answer
  • How much energy is required to raise the temperature of 10.7 grams of gaseous helium from 22.1 °C to 39.4 °C ?
    14·1 answer
  • Explain why ionic compounds are formed when a metal bonds with a nonmetal, but covalent compounds are formed when two nonmetals
    12·2 answers
  • What is the molarity of a HCl solution that
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!