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
lys-0071 [83]
3 years ago
7

PLEASE HELPPPPP!!!!!!!

Chemistry
1 answer:
marin [14]3 years ago
8 0
Boiling water is a physical change, because it is changing state of matter, there is a controllable temperature change, and you can change it back.

Frying the egg white is a chemical change, because there is a change of matter, controllable temperature change, but you CAN'T change it back.
You might be interested in
234+34.1 add and round to 2 significant figures
marin [14]
Like this? 234+34.1= 268.1 then round. If it is less than 5 then you round down if it is more then you round up. Because it is less the final number would be 268.1=268
3 0
3 years ago
Help with this chemistry worksheet
viktelen [127]

Answer:

1. is exothermic

Explanation:

5 0
3 years ago
Read 2 more answers
During photosynthesis, ________.
ludmilkaskok [199]

Answer:

d. there is a net consumption of water and carbon dioxide

Explanation:

Photosynthesis, is the process whereby light energy is transform into chemical energy by

green plants and other photosynthesis capable organisms . In the process of photosynthesis, light energy is captured by green plants which it uses to convert carbon dioxide water, and minerals into energy-rich organic compounds and oxygen is evolved as a byproduct.

It is a chemical reaction taking place inside a plant, resulting in the production of food for the survival of the plant.

Photosynthesis takes place in the leaves of a plant in the presence of sunlight and.

5 0
3 years ago
How many pili are in a bacterial cell
Snowcat [4.5K]

Answer: Bacterial species where observed Typical number on cell Distribution on cell surface

Escherichia coli (common pili or Type 1 fimbriae) 100-200 uniform

Neisseria gonorrhoeae 100-200 uniform

Streptococcus pyogenes (fimbriae plus the M-protein) ? uniform

Pseudomonas aeruginosa 10-20 polar

Explanation:

Pili are structures that extend from the surface of some bacterial cells.

These are hollow, non-helical, filamentous appendages.

Hope it helps you

7 0
2 years ago
You know that breaking up the tablet increases the surface area of the seltzer. So what could you conclude about the relationshi
oksano4ka [1.4K]

Answer:

Grinding or breaking an Alka-Seltzer tablet increases the number of particles and increases the surface area. Material which was within the tablet is exposed, allowing for more collisions between reactant particles and resulting in an increased rate of reaction.

4 0
2 years ago
Other questions:
  • A student measures the mass of an 8 cm^3 block of brown sugar to be 12.9 g. What is the density of
    15·1 answer
  • HELP PLEASE!!!!!
    14·2 answers
  • 4. As the temperature increases, the rate of an exothermic reaction *
    9·1 answer
  • Plz answer fast :) ...................
    13·1 answer
  • Las disoluciones comerciales de HCl (PF = 36.5 g/mol) típicamente son 39.0% P/P de este ácido en agua. Determine la molalidad de
    9·1 answer
  • Which of the following would be expected to have the highest surface tension?
    5·1 answer
  • Classify each chemical reaction:
    7·1 answer
  • QUESTION 1 (POLL)
    15·1 answer
  • ❗️❗️please if you can help me with this let me know. i have 10 pages of multiple choice chemistry questions and i can mark brain
    13·1 answer
  • 4.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!