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
lyudmila [28]
3 years ago
6

Which force causes a wagon to speed up as it rolls down a hill

Chemistry
1 answer:
aleksley [76]3 years ago
6 0
Gravity is the force.
You might be interested in
Lithium and nitrogen react in a combination reaction to produce lithium nitride: 6Li (s) + N2 (g) → 2Li3N (s) In a particular ex
seraphim [82]

Answer: 6.71 g

Explanation: 6Li(s)+N_2(g)\rightarrow 2Li_3N

{\text{no of moles}}=\frac{\text{Given mass}}{\text{Molar mass}}

{\text {moles of lithium}}=\frac{4g}{6.914g/mol}=0.578moles

\text{moles of nitrogen}=\frac{4g}{28g/mol}=0.143moles

Limiting reagent is the reagent which limits the formation of product. Excess reagent is one which is in excess and thus remains unreacted.

Thus lithium is the limiting reagent and nitrogen is the excess reagent.

As can be seen from the balanced chemical equation,  6 moles of lithium reacts with 1 mole of nitrogen to give 2 moles of lithium nitride.

Thus 0.578 moles of lithium react with 0.096 moles of nitrogen.

6 moles of lithium give = 2 moles of lithium nitride

Thus 0.578 moles of lithium give=\frac{2}{6}\times {0.578}=0.19moles of lithium nitride.

Mass of lithium nitride Li_3N={\text {no of moles}}\times {\text {Molecular mass}}

Mass of lithium nitrideLi_3N={0.192moles}\times {34.83g/mol}=6.71g


8 0
3 years ago
How many grams of vanadium would contain the same number of atoms as 58.693 g of nickel
Doss [256]

To answer this question, we'll need the molar masses of nickel and vanadium:

Molar mass of nickel: 58.693g/mol

Molar mass of vanadium: 50.941g/mol

These values represent the mass of one mole of the element. A mole is the weight of Avogadro's number of atoms of an element (6.02 x 10^23 atoms).

We are given 58.693g of nickel, which is equivalent to one mole of nickel. Therefore, you will get the same number of atoms from one mole of vanadium, or 50.941g of vanadium.

4 0
3 years ago
Colloids are true solutions. <br><br><br> ____ True ____ False
Reptile [31]
This is false, they have intermediate properties between suspension and true solution
7 0
4 years ago
Read 2 more answers
!! brainliest answer !! please help it's due tonight :)
diamong [38]

Answer:

3. D

28. also known as Freon 12

Explanation:

6 0
3 years ago
The diagram below represents a beaker of water being heated by a flame. The arrows represent heat
Charra [1.4K]

Answer:

condensation

Explanation:

when heated beaker sed condensation

4 0
3 years ago
Other questions:
  • A student conducts an experiment with a steel wool pad, which is comprised of iron. The student washes the steel wool in vinegar
    6·1 answer
  • Which method would be best to separate a mixture of oil and vinegar? separation by filtration distillation separation by density
    12·1 answer
  • PLS HELP ASAP I REALLY NEED IT AND ILL MARK BRAINLIEST!
    12·1 answer
  • cis-1-Bromo-4-tert-butylcyclohexane and trans-1-bromo-4-tert-butylcyclohexane both react with sodium ethoxide in ethanol to form
    8·1 answer
  • HELP ASAP
    11·1 answer
  • What trends were seen in medeleevs periodic table
    9·1 answer
  • Can somebody please help grades are due at the end of the week please please
    7·1 answer
  • How many mm Hg are there in 2.27 atm?
    7·1 answer
  • What is the answer??????​
    12·2 answers
  • How many particles are in 0.0075 moles of aluminum
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!