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
lesantik [10]
3 years ago
6

What is the percent composition of silicon dioxide, SiO2 ? (Atomic masses : O = 16 . 0 Si =28 .1

Chemistry
1 answer:
weeeeeb [17]3 years ago
4 0

Answer:

60.1 i think

Explanation:

You might be interested in
Identify the three basic ingredients used in glass and give an example of each​
kirill [66]

Answer:

Sand (SiO2 silica) In its pure form it exists as a polymer, (SiO2)n.

Soda ash (sodium carbonate Na2CO3) ...

Limestone (calcium carbonate or CaCo3) or dolomite (MgCO3)

Explanation:

I am pretty sure you know what sand is, Soda ash is a fine white colored powder that is extracted from the ashes of plants growing in sodium rich soils. Limestone is is a common type of carbonate sedimentary rock.  

4 0
2 years ago
The amount of heat energy needed to heat 200 g of water from 15 °C to its boiling point, and boil it, is
Svetllana [295]

can you explain it further

4 0
2 years ago
Which is always true of a salt?
igomit [66]
Third one is correct .
3 0
3 years ago
Which of the four containers represents a compound?
Arisa [49]
The answer is b)h2o is a compund
4 0
2 years ago
Read 2 more answers
8. Which of the following are reasons why Index fossils are chosen for determining ages of rocks? Select all that apply .
igomit [66]

Answer:

B. Distributed over a very wide range

D. Limited life existence in geologic time.

Explanation:

Index fossils are very unique fossils that helps in determining the relative ages of rocks and biostratigraphic correlation. They are usually called guide fossils.

  • Fossils are the preserved remains of dead organisms found in rocks.
  • Index fossils are a special class of fossils with the following properties;
  1. They are widely distributed.
  2. They have a short stratigraphic range.
  3. They show rapid evolution trends
4 0
3 years ago
Read 2 more answers
Other questions:
  • Threonine, an amino acid whose pI is 5.6, is shown below. What would be the overall charge for threonine at a pH of 5.6?
    13·1 answer
  • Please help both these answers use the graph . I will mark brainly !!
    5·1 answer
  • Particles of light are known as​
    11·2 answers
  • A container of oxygen with a fixed volume has a pressure of 13.0 atm at a temperature of 20 °C. What will the pressure of the ox
    6·1 answer
  • How does electronegativity changes as we move from left to right across a period
    7·2 answers
  • Potassium (K) combines with magnesium bromide (MgBr2) to form potassium bromide (KBr) and magnesium (Mg) during a chemical react
    15·1 answer
  • What are three common types of radioactivity given off by unstable atoms? How are they
    5·1 answer
  • Calculate the density in g/l of co2 gas at 27 Celsius and 0.500 atm pressure
    11·1 answer
  • Which of these best describes the relationship between density and the rate of heat transfer?
    13·1 answer
  • The total bonding energy for the products of a reaction is 2535 kJ/mol and the bonding energy of the reactants is 1375 kJ/mol. C
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!