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
barxatty [35]
3 years ago
10

An inventor claims to have developed a new perfume that lasts a long time because it doesn't evaporate. Comment on this claim.

Chemistry
1 answer:
zaharov [31]3 years ago
3 0

Answer:

C

Explanation:

Perfume needs to evaporate in order to smell.  If this perfume didn't evaporate, it would stay as a liquid and never smell.  

It wouldn't be D, as no toxic perfumes is sold.

It's not A because perfume doesn't have to be pressurized in order to not evaporate.

It's not B, as it is a hasty conclusion to the claim.  Plus, if the perfume did have an odor, even while not evaporating, the sales would be low as the product is that good.  

You might be interested in
Liquid water boiling in an open pan on a stove is our system. Is the system open or closed? What boundary transfers are happenin
valina [46]

Answer:

It's an open system, tranfering heat through a rigid, diathermal wall and matter through an imaginary and permeable wall, and it is not at steady state.

Explanation:

  • An <em>open system</em> is that that interacts with its surroundings exchanging energy and matter. In an open pan with boiling water you have an open system because steam (matter) is leaving the system, as well as heat (energy) through the pan/stove.
  • A<em> boundary</em> is what separates the system from its surroundings, there are many types of boundaries, based on how they transfer energy they can be diathermal (conducting heat) or adiabatic (insulating), on their rigidity they can be rigid, flexible, imaginary or movable and based on their permeability. For the system described we have an imaginary boundary on top that is also permeable allowing matter to go out or in the system, and another wall (the stove/pan itself that is rigid and impermeable avoiding the loss of matter and diathermal, allowing the conduction of heat.
  • It is said that a system is at a<em> steady state</em> when the variables that define that system remain constant over time. In an open pan, you can't fully control those variables, you'll have matter and energy scaping from it with no way to regulate it.

I hope you find interesting and useful this information! good luck!

3 0
3 years ago
Write the concentrated sulphuric acid H2C2O42H2O=2H2O+CO2+CO
masha68 [24]

Answer:

H2C2O4.2H20 → CO2 + CO + H2O

Explanation:

Oxalic acid crystals are nothing but dehydrated oxalic acid (H2C2O4 . 2H2O).

On heating, the water of crystallization is lost first. Then, the dehydrated oxalic acid decomposes into carbon dioxide(CO2), carbon monoxide(CO) and water(H2O).

Equations involved :

H2C2O4 . 2H2O → H2C2O4 + 2H2O

H2C2O4 → CO2 + HCOOH (FORMIC ACID)

HCOOH → CO + H2O

Overall equation : H2C2O4.2H20 → CO2 + CO + H2O

4 0
3 years ago
The water table is the...
vovangra [49]
B upper boundary of the zone of saturation, land beneath this line is saturated with water.
3 0
3 years ago
How much energy was absorbed by the water?
Lorico [155]
<h2>Answer: <u><em>Precisely, water has to absorb 4,184 Joules of heat (1 calorie) for the temperature of one kilogram of water to increase 1°C.</em></u></h2>

Explanation:

4 0
3 years ago
Read 2 more answers
If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be
Slav-nsk [51]
<span>If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be
</span>acceleration

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is NADPH2 ? where is it used?
    13·1 answer
  • Heat and pressure deep beneath Earths Surface any rock into
    14·1 answer
  • Which group of elements will readily lose one electron to meet the octet rule? Alkaline Earth Metals c. Halogens Alkali Metals d
    7·1 answer
  • During the phase change from solid ice to liquid water, which bonds/forces are being weakened?
    6·2 answers
  • What is the boiling point of kerosene
    8·1 answer
  • Suppose that a TLC plate is spotted with samples 1.0 cm above the bottom of the plate. Select the consequence of inserting the p
    13·1 answer
  • What is the mole ratio of aluminum to chlorine in the compound aluminum
    5·1 answer
  • Help pls thnk you!!!!
    15·1 answer
  • What is the hydrogen ion concentration of a solution with ph = 2. 25?.
    6·1 answer
  • 5
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!