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
yKpoI14uk [10]
3 years ago
13

A molecule of alkene has the chemical formula C3H4. How many carbon-carbon double bonds are present in the molecule?Choices:123

Chemistry
1 answer:
alexdok [17]3 years ago
4 0
2 Carbon double bonds
You might be interested in
Solid waste is eliminated from the body through the esophagus agree or disagree
maria [59]
I very much Disagree.  The esophagus runs from your mouth to your stomach.
7 0
2 years ago
The quinine in tonic water shines a strange blue-white colour when lit with UV light. Explain what is happening here.
Alecsey [184]

Answer:

Here's what I get.

Explanation:

Quinine contains phosphors, substances that glow when they are hit with certain wavelengths of light.

The phosphors in quinine absorb UV light, which is invisible to our eyes.

Electrons in the phosphors absorb the UV energy and are excited to higher energy levels.

When the electrons drop back to lower energy levels, they emit some of this energy as a glowing blue visible light.  

5 0
3 years ago
How is steam different from water vapour
trapecia [35]
Steam is made from boiling things and water vapor is from boiling water.
7 0
2 years ago
Read 2 more answers
Describe how you would make 6.0 L of a 0.100 M KCl solution from a 4.0 M stock KCl solution.
Galina-37 [17]

Answer:

0.15 l of 4.0 m stock KCl solution should betaken

Explanation:

N1V1=N2V2

6*0.1=V2*4

V2=0.15L

5 0
2 years ago
Ryan and Abigail are conducting an experiment. They place six ice cubes into a beaker and find the combined mass. They allow the
JulijaS [17]

The mass of the ice cubes and the water will be equal because the same amount of matter is in the beaker.

Matter is anything that has mass and occupy space. All substances are composed of matter. According to the law of conservation of mass, matter can neither be created nor destroyed but can be converted from one form to another.

Since mass is the quantity of matter in a substance, the mass of the ice cubes and the water will be equal because the same amount of matter is in the beaker.

Learn more: brainly.com/question/25150590

4 0
2 years ago
Other questions:
  • He concentration of pb2+ in a commercially available standard solution is 1.00 mg/ml. what volume of this solution should be dil
    13·1 answer
  • When a drawing made with a black marker gets wet, the marker bleeds and more separates into several colors. What method of separ
    9·2 answers
  • What must happen for a liquid water to become water vapor ?
    9·1 answer
  • Describe the ways that energy is conventes
    9·1 answer
  • T/F according to the law of conservation of energy, when you use energy
    8·1 answer
  • Select the correct answer.
    12·2 answers
  • Question 4
    13·1 answer
  • C3H8 + 5O2 → 3CO2+ 4H2O, if 5.75L of oxygen are consumed in the above reaction, how many L of carbon dioxide are produced?
    15·1 answer
  • If acid comes in contact with your skin, why must you flush the area with plenty of cold water, rather than neutralizing the aci
    6·1 answer
  • Can someone please help me i need help asap please
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!