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
Law Incorporation [45]
3 years ago
13

a certain compound was found to contain 54.0 g of carbon and 10.5 grams of hydrogen. its relative molecular mass is 86.0. find t

he empirical and molecular formulas
Chemistry
1 answer:
dexar [7]3 years ago
3 0

Answer:

empirical formula = C3H7

molecular formula = C6H14

You might be interested in
Virtually no chemical reaction can occur in the body in the absence of enzymes. how might excessively high body temperature or a
olchik [2.2K]
1. The structural unit of nucleic acids are composed of repeating units of monomers called nucleotides. Nucelotides are composed of three functional groups: sugars which are specifically pentoses (5-Carbon sugars), phosphate group and nitrogenous base.

2. The two major classes of nucleic acids in the body are the DNA or deoxyribonucleic acids and RNA or ribonucleic acids.

3.
a. Based on the nitrogenous bases and sugar, the DNA has a deoxyribose as the sugar and its 4 bases are adenine, guanine, cytosine and thymine. For RNA, the sugar is ribose while its 4 bases are <span>adenine, guanine, cytosine, and uracil

b. Based on the </span>general three-dimensional structure, DNA is a double stranded β-helix with a long chain of nucleotides. RNA is composed of a shorter chain with a single strand α-helix structure.

c. Based on r<span>elative functions, the DNA is responsible for storing the genetic information while the RNA is responsible for transporting the genetic information to the ribosomes which synthesize proteins.</span>
8 0
3 years ago
Nitrogen makes up 78.08% of the volume of Earth's atmosphere, and oxygen makes up 20.95% of the volume. The total air pressure a
cestrela7 [59]
D. All of the other answer choices
In the case of gases, the molar fraction is equivalent to the volume fraction which is also equal to the partial pressure fraction. Therefore, all of the given questions may be answered using the data that has been provided.
3 0
3 years ago
What is the effect of high activation energy on a chemical reaction?
sweet [91]

D. It makes the reaction harder to start- the need for more activation energy means less successful collisions therefore the reaction can not be started as easily if there were a lower activation energy.

3 0
3 years ago
Read 2 more answers
Please help me with this!! I did 2 of them but I'm not sure if it's right! If you can please take your time a check and do the o
Karolina [17]

68* farenhiet would be 20* celcius.

the tempature increased 26 degrees from 68* to 84*

6 0
3 years ago
Read 2 more answers
How do geologists monitor volcanoes?
Radda [10]

Answer:

<h2>Scientists use a wide variety of techniques to monitor volcanoes, including seismographic detection of the earthquakes and tremor that almost always precede eruptions, precise measurements of ground deformation that often accompanies the rise of magma, changes in volcanic gas emissions, and changes in gravity.</h2>
5 0
3 years ago
Other questions:
  • The compound magnesium iodide is a strong electrolyte write the reaction when solid magnesium iodide is put into water
    15·1 answer
  • A single atom of an element has 21 nutrons 20 electtons and 20 protons which element is it
    5·1 answer
  • An electrochemical cell has the following standard cell notation.
    9·1 answer
  • What is the morality of a 750.0 milliliter solution containing 2.5 miles of solute??
    6·1 answer
  • What kind of car do Cherry's and Marcia's boyfriends ride around in​
    8·1 answer
  • If a compound contains an anion which is the conjugate base of a weak acid, the addition of hydronium ion solubility does what ?
    7·1 answer
  • What is a mole?
    9·1 answer
  • Where do fossils live
    8·2 answers
  • What are the most abundant metal in the earths crust from 1 to 10​
    15·1 answer
  • A is an explanation of observations that have been tested many times.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!