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
salantis [7]
2 years ago
12

Exhaling CO2 (Carbon Dioxide) is an example of what?

Chemistry
1 answer:
Elena L [17]2 years ago
5 0
A. Excretion

(Word cap fill)
You might be interested in
Tell me a hypothesis for the corrosion experiment for iron nails?
Nastasia [14]
The more acidic the substance is, the more the iron nails will corrode (this obviously depends on what your experiment is but hope this helped in some way)
5 0
3 years ago
ASAP Would you expect the odor of an open bottle of perfume to spread through the air faster when the room temperature is 85F or
Alekssandra [29.7K]

Answer: The answer would be 85F  

Explanation: The odour molecules become airborne much more quickly in a warmer environment than a colder one. So the bottle of perfume to spread faster through the air faster when the room temperature is 85F

8 0
3 years ago
220 mL of oxygen gas was collected over water. The total pressure of oxygen plus water vapor was 745.8 mmHg at 25.0°C. What is t
alukav5142 [94]

The pressure, in mmHg, exerted by only the oxygen gas is 720.8 mmHg

<h3>Pressure of gas collected over water</h3>

The total pressure of a gas collected over water is given by P = P' + p where

  • P = pressure of oxygen gas and
  • p = vapour pressure of water at 25 °C = 25 mmHg

Making P' subject of the formula, we have

P' = P - p

Since the total pressure of oxygen plus water vapor is P = 745.8 mmHg, substituting the values of the variables into the equation, we have

P' = P - p

P' = 745.8 mmHg - 25 mmHg

P' = 720.8 mmHg

So, the pressure, in mmHg, exerted by only the oxygen gas is 720.8 mmHg

Learn more about pressure of gas collected over water here:

brainly.com/question/25815247

3 0
2 years ago
What is the function of an Erlenmeyer flask?
JulijaS [17]
An Erlenmeyer flask is laboratory flask that has a conical shape and flat bottom with a tapered mouth. The Erlenmeyer flask is used for pouring, mixing and storing of chemicals in the laboratory. It was created by Emil Erlenmeyer in the 1860s.
6 0
2 years ago
Valence bond theory is inadequate for describing systems with multiple adjacent ______ that overlap, as in aromatic molecules. a
Alja [10]

A better explanation of these systems is given using molecular orbital theory.

<h3>What is the valence bond theory?</h3>

The valence bond theory hold that a  bond is formed by the sharing of two electron in a covalent bond. This bond does not account for certain systems that occur in multiple bonded systems where the simple two electron bonding model does not suffice.

Thus, valence bond theory is inadequate for describing systems with multiple adjacent  bonds that overlap, as in aromatic molecules. a better explanation of these systems is given using molecular orbital theory.

Learn more about valence bond theory:brainly.com/question/23129240

#SPJ4

7 0
1 year ago
Other questions:
  • A plant's growth response to water is called _____.
    15·1 answer
  • There are two parts to a wave, the
    11·1 answer
  • Which physical method can separate a mixture of steel ball bearings and marbles ?
    6·2 answers
  • Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than nickel but less active than i
    12·1 answer
  • Compare and contrast atoms elements compounds and molecules
    11·1 answer
  • Electrons located in the outermost shell of an atom are called
    9·2 answers
  • How do volcanoes remind<br> us that god still cares for<br> This world
    10·2 answers
  • What is the density of an object that has a mass of 28.1g and a volume of 96.2mL? Select the correct answer below: 0.292g/mL 270
    7·1 answer
  • Please answer this!!!!!!!!!!!!!
    14·2 answers
  • 21) Scientists represent elements by using<br> a formulas b. subscripts<br> c. symbols<br> d. words
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!