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
s344n2d4d5 [400]
2 years ago
9

What causes water to runoff

Chemistry
2 answers:
Nadusha1986 [10]2 years ago
8 0

Answer:

C

Explanation:

Runoff occurs when there is more water than land can absorb so  it would be C.

Alika [10]2 years ago
3 0

Answer:

A

Explanation:

The sun heats up earths surface

You might be interested in
how many electrons are transferred between the cation and anion to form the ionic bond in one formula unit of each compound? (1
Elina [12.6K]

Answer:

The answer to your question is:

Explanation:

Compound                 Cation                 Anion         Number of electrons

LiCl                              Li⁺¹                        Cl⁻¹                  one

NaF                             Na⁺¹                       F⁻¹                    one

CaO                            Ca⁺²                       O⁻²                  two

BaS                             Ba⁺²                        S⁻²                  two

NaBr                           Na⁺¹                       Br⁻¹                   one

8 0
3 years ago
Read 2 more answers
Where is the oldest rock layer in the dome?
xeze [42]

Answer:

the oldest rocks are in the center of the dome structure.

Explanation:

7 0
3 years ago
Read 2 more answers
Identify the type of solid for FeF3
salantis [7]

Answer:

it is iron and flourine gas

Explanation:

7 0
3 years ago
If you had excess aluminum, how many moles of aluminum chloride could be produced from 21.0 g of chlorine gas, cl2?
AleksandrR [38]
When aluminum metal is made to contact with chlorine gas (Cl₂), a highly exothermic reaction proceeds. This produces aluminum chloride (AlCl₃) powder. The balanced chemical equation for this reaction is shown below:

2Al(s) + 3Cl₂(g) → 2AlCl₃(s)

Since it was stated that aluminum is in excess, this means that the amount of AlCl₃ produced will only depend on the amount of Cl₂ gas available. The molar mass of Cl₂ is 70.906 g/mol. Using stoichiometry, we have the following equation:

(21.0 g Cl₂/ 70.906 g/mol Cl₂) x 2 mol AlCl₃/ 2 mol Cl₂ = 0.1974 mol AlCl₃

Thus, we have determined that 0.1974 <span>moles of aluminum chloride can be produced from 21.0 g of chlorine gas. </span>
3 0
3 years ago
The acetylene tank contains 35.0 mol C2H2, and the oxygen tank contains 84.0 mol O2.
harkovskaia [24]

Answer:- As per the question is asked, 35.0 moles of acetylene gives 70 moles of carbon dioxide but if we solve the problem using the limiting reactant which is oxygen then 67.2 moles of carbon dioxide will form.

Solution:- The balanced equation for the combustion of acetylene is:

2C_2H_2(g)+5O_2(g)\rightarrow 4CO_2(g)+2H_2O(g)

From the balanced equation, two moles of acetylene gives four moles of carbon dioxide. Using dimensional analysis we could show the calculations for the formation of carbon dioxide by the combustion of 35.0 moles of acetylene.

35.0molC_2H_2(\frac{4molCO_2}{2molC_2H_2})

= 70molCO_2

The next part is, how we choose 35.0 moles of acetylene and not 84.0 moles of oxygen.

From balanced equation, there is 2:5 mol ratio between acetylene and oxygen. Let's calculate the moles of oxygen required to react completely with 35.0 moles of acetylene.

35.0molC_2H_2(\frac{5molO_2}{2molC_2H_2})

= 87.5molO_2

Calculations shows that 87.5 moles of oxygen are required to react completely with 35.0 moles of acetylene. Since only 84.0 moles of oxygen are available, the limiting reactant is oxygen, so 35.0 moles of acetylene will not react completely as it is excess reactant.

So, the theoretical yield should be calculated using 84.0 moles of oxygen as:

84.0molO_2(\frac{4molO_2}{5molO_2})

= 67.2molCO_2

7 0
3 years ago
Read 2 more answers
Other questions:
  • Can someone please do this for me
    14·1 answer
  • 1. The Russian chemist who designed the first accepted version of periodic table in the 1800s was ______________.
    7·1 answer
  • How does boyle's law relate to breathing?
    6·1 answer
  • If nickel is added to copper sulfate solution, the nickel will replace the copper. write the balanced equation
    5·2 answers
  • Which of the following indicates 4 molecules of water?​
    11·2 answers
  • Most vinegars including apple cider vinegar and white distilled vinegar , are 3-5% acetic acid while cleaning vinegar can range
    12·2 answers
  • Cause of iron changing to rust when it reacts with water
    11·1 answer
  • Which element is placed in the same period as ruthenium but has a higher atomic number than it?
    5·1 answer
  • UGH NO ONE IS HELPING MEEE
    12·1 answer
  • A 1.50 g sample of a pure compound, containing only carbon and hydrogen, was
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!