What type of ion does an acid produce?

Answers

Answer 1
Answer: An acid produces hydrogen ions.
Answer 2
Answer: Acid releases H+(hydrogen ions) in solutions.

Hope this helps, have a great day ahead!

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Which of the following is a valid mole ratio from the balanced equation 2Fe2O3 + 3C → 4Fe + 3CO2?two moles of F e two O three over four moles of F e
four moles of C over three moles of F e
two moles of F e two O three over four moles of C
three moles of C over four moles of C O two

Answers

Answer:

2 moles ofFerric Oxide (Fe_(2)O_(3)) over 4 moles of Fe

Explanation:

Firts of all I want to explain the nomenclature that is involve in the equation:

Fe_(2)O_(3)= Ferric Oxide

C= Carbon

Fe= Iron

CO_(2)= Carbon Dioxide

Now, to understand the ratio from the balanced equation its necessary read the equation with the respective coefficients, for example:

  • 2 moles of Ferric Oxide (Fe_(2)O_(3))  reacts to produce 4 moles of Iron (Fe=)
  • 3 moles of Carbon (C)  reacts to produce 4 moles of Iron (Fe=)
  • 2 moles of Ferric Oxide (Fe_(2)O_(3)=)  reacts to produce 3 moles of Carbon Dioxide (CO_(2))

Each of the above could be represent as a ratio, but is always necessary keep the respective coefficient, then if you read each option only the first has the respective coefficient, it means:

2 moles of Ferric Oxide (2Fe_(2)O_(3))  reacts to produce 4 moles of Iron (4Fe=) or, in other words, 2 moles ofFerric Oxide (2Fe_(2)O_(3)) over 4 moles of Iron 4 (4Fe=)

Regards!

When is the next lunar Eclipse and how do they happen?

Answers


°°The next Lunar Eclipse is on March 23, a Wednesday THIS YEAR - 65 days left!

°° A Lunar Eclipse happens when the moon passes directly behind the earth into its umbra, or, shadow. This can occur only when the sun, Earth and moon are aligned exactly, or very closely so, with the Earth in the middle. Hence, a Lunar Eclipse can occur only the night of a full moon. The type and length of an eclipse depends upon the Moon's location relative to its orbital nodes. Isn't that cool?

  ↑   ↑   ↑   Hope this helps! :D

Diagram how a solids molecular structure is different from a liquids molecular structure

Answers

Pretty much, for solids draw the molecules close together and rigid, for liquids, the molecules are spaced apart a little and not all lined up

Which is true according to the law of conservation of energy?

Answers

Answer:

The answer is C

Explanation:

There are no options but law of conservation of energy states that energy can’t be created or destroyed.

Which word in the sentence is the predicate adjective? The glowing red coals looked incredibly hot. A. red B. hot C. glowing D. incredibly

Answers

The correct answer should be

D: incredibly

Best Answer:  d  

the subject is who or what you are talking about- the glowing red coals  

the predicate is what they are doing- looked incredibly hot  

looked is your verb because that is what they are doing, how did they look? they looked hot, that is the adverb. the word that describes hot is incredibly, that is the pred adj. because adjectives describe.

Prepare a 0.50 L of a 1.0 M solution of potassium sulfate. Determine the amount of potassium sulfate needed in correct significant figures.A) 68 g
B) 87 g
C) 270 g
D) 349 g
I can't figure out the answer.

Answers

Answer:

B) 87g

Explanation:

Usatestprep said it