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
mylen [45]
2 years ago
13

HELP THIS IS SCIENCE I HAVING TROUBLE

Chemistry
2 answers:
muminat2 years ago
8 0

Answer:

1/2 of the way down

Explanation:

Sveta_85 [38]2 years ago
6 0
Answer is 1/2 way down
You might be interested in
When does the object change direction?
Tatiana [17]

Answer:

50distance and 10minutes time

Explanation:

because it's the best object

4 0
3 years ago
Match each organ to its function. Tiles bone heart stomach lung Pairs pumps blood through the body Both provides structure for t
solniwko [45]
Heart: Pumps blood through the body
Bone: Provides structure
Stomach: Breaks down food into small particles
Lungs: Oxygenates blood
7 0
3 years ago
Read 2 more answers
How many are the natural occurring elements?
sergejj [24]

there are 92 naturally occuring elements

6 0
3 years ago
An igneous rock has a coarse texture and is dark in color. How else can this rock be accurately described?
skelet666 [1.2K]

Answer:

C,D.

Explanation:

Extrusive, or volcanic, igneous rock is produced when magma exits and cools above (or very near) the Earth's surface. These are the rocks that form at erupting volcanoes and oozing fissures.

3 0
3 years ago
Read 2 more answers
Many computer chips are manufactured from silicon, which occurs in nature as SiO2. When SiO2 is heated to melting, it reacts wit
riadik2000 [5.3K]

Answer:

A) SiO2 is the limiting reactant

B) Theoretical yield= 72333.3g

C) % yield =91.5%

Explanation:

SiO2(s) + 2C(s) --------------> Si(s) + 2CO(g)

n(SiO2)= 155000/60 = 2583.33 mols

n(C)= 79000/12= 3291.66 mols

a)SiO2 is the limiting reactant

According to the balanced reaction equation,

60g of SiO2 produced 28g of SiO2

155000g of SiO2 will produce 155000×28/60= 72333.3g

Therefore theoretical yield of Si= 72333.3g

% yield= 66200/72333.3×100/1 =91.5%

5 0
3 years ago
Other questions:
  • Which are the intermolecular forces that can act between non-polar molecules?
    10·1 answer
  • The noble gases are an example of a ______ of elements. period family table
    14·1 answer
  • The insoluble salts AV, B2W, C2X3, DY2, and EZ3, which were formed from the metal ions A+, B+, C3+, D2+, and E3+ and the nonmeta
    9·1 answer
  • Bromine (Br2) is produced by reacting sea water with chlorine (Cl2) by the following reaction. What mass of Cl2 (in kg) is neede
    13·1 answer
  • A 2.50 L balloon is filled with water at 2.27 atm. If the balloon is squeezed into a 0.80 L beaker and does NOT burst, what is t
    13·2 answers
  • 15 points
    8·1 answer
  • Would you expect manganese(II) oxide, MnO, to react more readily with HF(aq) or NaOH(aq)?
    5·1 answer
  • Heat transfer that occurs within or between solid objects is called
    12·2 answers
  • In order to study our genes, scientists must extract the DNA from human tissue. Would you expect the method of DNA extraction we
    15·1 answer
  • Covalently bonded compounds differ from ionically bonded compounds because:
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!