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
Taya2010 [7]
3 years ago
10

What is the percent of copper in CuS?

Chemistry
1 answer:
bonufazy [111]3 years ago
7 0

Answer:

Element Symbol Mass Percent

Cuprum Cu 66.464%

Sulfur S 33.537%

Explanation:

I got this out of my module, sorry if it's wrong but i am pretty sure 97% this is correct!

You might be interested in
The _ and _ are part of the digestive system. chose ONE from each of these list.
lina2011 [118]

Answer:

liver and esophagus.

Explanation:

Kidneys are part of the endocrine system, trachea and bronchi are part of the respiratory system

4 0
2 years ago
Read 2 more answers
Which is a characteristic of a strong base
Allisa [31]
The third one, it releases H+ions into a solution.
7 0
3 years ago
Which phase of matter has a fixed volume but variable shape?
jek_recluse [69]
The answer is "Liquid".

Hope I could help you!
Have a great day ;)
8 0
3 years ago
Read 2 more answers
The total volume of seawater is 1.5 x 1021L .Assume that seawater contains 3.1 percent sodium chloride by mass and that its dens
son4ous [18]

Answer:

Mass in kg = 4.7*10^19 kg

Mass in tons = 5.2*10^16 tons

Explanation:

<u>Given:</u>

Total volume of sea water = 1.5*10^21 L

Mass % NaCl in seawater = 3.1%

Density of seawater = 1.03 g/ml

<u>To determine:</u>

Total mass of NaCl in kg and in tons

<u>Calculation:</u>

Unit conversion:

1 L = 1000 ml

The volume of seawater in ml is:

=\frac{1.5*10^{21}L*1000ml }{1L} =1.5*10^{24} ml

Mass\ seawater = Density*volume = 1.03g/ml*1.5*10^{24} ml=1.5*10^{24}g

Mass\ NaCl\ in\ seawater = \frac{3.1}{100}*1.5*10^{24}  g=4.7*10^{22} g

To convert mass from g to Kg:

1000 g = 1 kg

Mass\ seawater(kg) = \frac{4.7*10^{22}g*1kg }{1000g} =4.7*10^{19} kg

To convert mass from g to tons:

1 ton = 9.072*10^6 g

Mass\ seawater(tons) = \frac{4.7*10^{22}g*1ton }{9.072*10^{6}g } =5.2*10^{16} tons

5 0
3 years ago
A student writes the following explanation of how one type of compound is formed. these compounds are made by the repeated joini
tatyana61 [14]

In the given question according to the information the process of polymerization is an addition polymerization.

<h3>What is polymerization?</h3>

Polymerization is a process in which addition of many small molecules takes place for the formation of a large three dimensional substance known as polymer.

In the polymerization of polyethene the small repeating molecule is ethene and in this process product formed due to the addition process to the double bond of the ethene.

  • In condensation polymerisation removal of water molecule or any other molecule takes place.
  • In dehydrogenation polymerisation removal of hydrogen molecule takes place.
  • In dehydrohalogenation polymerisation removal of hydrogen halide molecule takes place.

Hence given process is an addition polymerisation.

To know more about polymerisation, visit the below link:

brainly.com/question/17932602

6 0
2 years ago
Read 2 more answers
Other questions:
  • Americium-241 is used in smoke detectors. It has a first-order rate constant for radioactive decay of k = 1.6x10^−3yr−1. By cont
    10·1 answer
  • If elements in group 17 of the periodic table, what do they have the same of?
    15·1 answer
  • Give the oxidation number of the element indicated for each compound.
    15·1 answer
  • A sample of i-131 decays from 12 microcuries to 3.0 microcuries in 16 days. what is the half-life of i-131?
    11·1 answer
  • Explain the ability of water to​
    13·1 answer
  • (5 x 10 4) + (2.5 x 10 2) =<br> 2 x 10 2<br> 12.5 x 10 2<br> 0.5 x 10 6<br> 5 x 106
    15·1 answer
  • What is the wavelength of an electron with a mass of 9.109×10−31 kg and a velocity of 3.43×107 ms? Use 6.626×10−34kg m2s for Pla
    12·1 answer
  • How does energy from the Sun drive the cycling of matter?
    9·1 answer
  • Do anyone know science??
    9·2 answers
  • What is the height on human
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!