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
Anuta_ua [19.1K]
3 years ago
8

Help me with please !!!

Chemistry
1 answer:
egoroff_w [7]3 years ago
6 0

I would think the last one about the ozone layer
You might be interested in
How many atoms of Hydrogen are in 4 C3H5O12? (10 points)
vlada-n [284]

Answer:

There are 20 atoms in hydrogen.

Explanation:

Multiply Coefficient with Hydrogens subscript. In this case the coefficient is a 4 so you multiply that with Hydrogens subscript which is 5. So it would be (4)(5)=20

3 0
3 years ago
Why an aspirin tablet works faster if it is crushed rather than swallowed whole?​
givi [52]

Answer: because the tablet is already crushed and is easy for the organism to absorb instead of having to break it down

Explanation:

7 0
3 years ago
In humans carbon dioxide is excreted by _​
Firdavs [7]

Explanation:

............... ...................................

4 0
3 years ago
Read 2 more answers
What changes happens when you run ?
oksano4ka [1.4K]

Answer:

It increases endurance, builds muscle to maintain an optimal body fat composition, promotes cardiovascular health, strengthens the heart, and even improves your overall mood. Combined with weight training, running can help you maintain the perfect balance of mental stimulation and physical fitness.

Explanation:

4 0
3 years ago
You have two containers at 0°C and 1 atm. One has 22.4 L of hydrogen gas, and the other has 22.4 L of oxygen gas.
valentinak56 [21]

Answer:

D

Explanation:

According to Avogadro's law, equal volumes of different gases at the same temperature and pressure have equal number of molecules.

It cannot however be a because according to ideal gas equation the number of moles in each container is 0.999moles which translates to 6.019*10^23 molecules

4 0
3 years ago
Other questions:
  • HELP ASAP PLS!!!!!!!!!!!!!!11
    14·1 answer
  • Can someone help, like I need an answer now ಥ‿ಥ​
    14·1 answer
  • You have two balls in a glass of liquid. Ball A sinks to the bottom. Ball B floats. Which ball is the densest?
    5·2 answers
  • Which of the following is an example of a chemical change? A. Boiling water B. Burning paper C. Dissolving sugar in water D. Mel
    7·2 answers
  • All of the following statements help to explain why water molecules form hydrogen bonds except:________
    8·1 answer
  • Solid NaCl is produced by the
    8·1 answer
  • You have three containers each of which is connected to a fourth empty container. Three of the containers contain pure gases. In
    7·1 answer
  • Dominic made the table below to organize his notes about mixtures.
    7·1 answer
  • What are the intervals on the fahrenheit scale called
    5·1 answer
  • Enter balanced complete ionic and net ionic equations for each reaction.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!