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
notsponge [240]
3 years ago
8

Can someone answer 3’for me please?

Chemistry
2 answers:
abruzzese [7]3 years ago
6 0
b is the correct answer
Nimfa-mama [501]3 years ago
5 0
The correct is B, the ball in her hands has potential energy. When it falls, the potential energy changes to kinetic energy.
You might be interested in
You apply 100.0 n of force to a machine. The machine applies 20.0 n of force to the load. What is the mechanical advantage of th
MAXImum [283]
Answer: I Think Its 5.00
7 0
3 years ago
Can wind energy be used in transportation
castortr0y [4]
Yes because the wind energy can power a gas pump, then the gas would go into some form of automobile
5 0
3 years ago
Read 2 more answers
The following chemical reaction takes place in aqueous solution: 2FeBr3 (aq) + 3Na2S (aq) → Fe2S3 (s) + 6NaBr (aq) Write the net
lakkis [162]
A net ionic equation simply means to cancel out any ions which appear on both sides of the chemical equation that are not involved in the reaction - they're called spectator ions. 
We'll first write out the full ionic equation, showing all ions and compounds formed, then rewrite and not include spectator ions.

2FeBr3(aq) + 3Na2S(Aq) --> Fe2S3(s) + 6NaBr(aq)   [original eqation]

2Fe3+(aq) + 6Br-(aq) + 3Na+(aq) + 3S2-(aq)--> Fe2S3(s)+6Na+(aq) + 6Br-(aq)
[full ionic equation]

2Fe3+(aq) + 3S2-(aq)--> Fe2S3(s)   [net ionic equation]

notice that Br- and Na+ appear unreacted on both sides of the full ionic equation, so they cancel out and do not appear in the net ionic.

*Please give me a 'brainliest' if you can! Thanks!


5 0
3 years ago
In the reaction C + O2 → CO2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. What mass of oxygen would be n
vova2212 [387]

Answer:

54g of O2 reacted in the reaction

5 0
3 years ago
Read 2 more answers
As of January 2009, the USA has produced 60,000 metric tons of nuclear waste in 60 yesrs of operating 104 nuclear power plants.
Ann [662]
B. 83.3 tons p. month
3 0
3 years ago
Read 2 more answers
Other questions:
  • A 250 ml solution of 2.0 M NaOH is diluted to 1.0 liter. What is the final concentration of the solution?
    15·2 answers
  • True or false: A mechanical wave starts with a disturbance in matter
    5·1 answer
  • When butter is heated it melts and when that melted butter cools and solidifies the process called
    15·1 answer
  • For the substituted cyclohexane compound shown, identify the atoms that will interact with the methyl group in a
    9·1 answer
  • If a sample of Fe2S3 contains 1.25x10ˣ15 iron atoms what is the mass in grams?
    9·1 answer
  • A substance is tested and is found to have the following physical qualities:
    13·1 answer
  • What is the formula to find the area of circle​
    13·1 answer
  • Which statement would indicate the presence of an acid?
    8·2 answers
  • To identify the limiting and excess reactants in a reaction.
    5·1 answer
  • Match each element to the number of electrons in its valence shell.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!