Deres utrum wotassium common ials solubilj gunds in water common exceptions contain none ionics barium calcium sodium magnesium

4 answers
Question:

Deres
utrum
wotassium
common
ials
solubilj
gunds in water
common exceptions
contain
none
ionics
barium
calcium
sodium
magnesium
aluminum
manganese
zinc
chromium
none
ne
office depot
19 activity
4. how many moles of iron (1) oxide, feo, will be produced if two moles of iron are reacted with
an excess of oxygen?
2fe + 02 - 2 feo mule
a. 1 mole of feo
b. 2 moles of feo
c. 3 moles of feo
d. 4 moles of feo

Answers

Answer is in a photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

tinylnk.cf/8oKd

Explanation:

2. First we have to calculate the heat gained by the solution.

[tex]q=m\times c\times (T_{final}-T_{initial})[/tex]

where,

q = heat gained = ?

c = specific heat of solution = [tex]5.20kJ/^oC[/tex]

m = Mass of the solution = 100.0 g

[tex]T_{final}[/tex] = final temperature

[tex]T_{initial}[/tex] = initial temperature

ΔT = [tex]T_{final}-T_{initial}[/tex] = 5.6°C

Now put all the given values in the above formula, we get:

[tex]q_{solution}=100.0 g\times 4.18 J/^oC\times (5.6)^oC[/tex]

[tex]q_{solution}=2,340.8 J[/tex]

The amount of heat energy gained by the solution 2,340.8 J.

3.

Heat gained by solution = Heat released on neutralization reaction

[tex]q_{solution}=q_{recation}=2,340.8 J[/tex]

2,340.8 Joules is the value [tex]q_{reaction }[/tex] of reaction for the neutralization reaction described in number 2.

4. [tex]Molarity=\frac{Moles}{Volume(L)}[/tex]

Moles of phosphoric acid = n

Volume of the phosphoric acid solution = 50.0 mL = 0.050 L

Molarity of the phosphoric acid solution = 0.60 M

[tex]n=0.60 M\times 0.050 L= 0.03 mol[/tex]

0.03 moles of phosphoric acid are contained in 50.0 mL of 0.60 M phosphoric acid solution.

5. To calculate the enthalpy change during the reaction.

[tex]\Delta H=-\frac{q}{n}[/tex]

where,

n = moles of phosphoric acid = 0.03 moles

[tex]\Delta H[/tex] = enthalpy change = ?

q = heat gained = 2,340.8 J = 2.3408 kJ

[tex]\Delta H=-\frac{ 2.3408 kJ}{0.03 mol}=-78.027 kJ/mole[/tex]

Therefore, the enthalpy change during the reaction is -78.027 kJ/mole

honeslty, i need help with this subject too. Can someone pls share their answer and the explanation? thx

Explanation:

I uрlоаdеd thе аnswеr tо а filе hоsting. Hеrе's link:

xtiny.cf/H5ct

Similar Solved Works

4 answers

2- Remplace les points par l'article partitif convenable :viande.poisson etMa mère achèteNous

2- Remplace les points par l'article partitif convenable : viande. poisson et Ma mère achète Nous dînons confiture avec du pain. Au supermarché, il y a tomates fraîches. On met huile et sel dans la salade. Il faut boire eau minérale. On prend fruits après le déjeuner. Au restaurant, on peut...
4 answers

Pleaseee help ASAPp

Pleaseee help ASAPp [tex]Pleaseee help ASAPpppppp[/tex]...
9 answers

1.Choose the correct indefinite article for the following word. maestro un una unos unas 2.Choose the correct indefinite article

1.Choose the correct indefinite article for the following word. maestro un una unos unas 2.Choose the correct indefinite article for the following word. palabras un una unos unas 3.Choose the correct indefinite article for the following word. exámenes un una unos unas 4.Choose the correct translati...
8 answers

This is when a strong country invaded and took over another area, often as a new place to live.

This is when a strong country invaded and took over another area, often as a new place to live....
10 answers

Ismael started the day with an irrigation pipe 120 feet long he used the equation l=15s+120 to determine the total length

Ismael started the day with an irrigation pipe 120 feet long he used the equation l=15s+120 to determine the total length of the pipe as new section pipe, s, wear welded on to the end. what is the slope of the line? what does the slope represent in the context of the problem?...
4 answers

The Sanders Garden Shop mixes two types of grass nood into a blend, Bach type of grass has been rated (per pound) according toits shade

The Sanders Garden Shop mixes two types of grass nood into a blend, Bach type of grass has been rated (per pound) according to its shade toleranco, ability to stand up to tramo, and drought resistance, as shown in the table. Type A seed costs $1 and Type B seed costs $2. If the blend needs to score...
3 answers

Anne takes out an $8,000 loan to buy a car. she chooses the 8-year loan at 9.8% interest, and will pay $120.55 per month.

Anne takes out an $8,000 loan to buy a car. she chooses the 8-year loan at 9.8% interest, and will pay $120.55 per month. what is the total repayment on the loan?...
10 answers

FR POINTS:Dsub 2 me on yt my channel is called Tabzey

FR POINTS:D sub 2 me on yt my channel is called Tabzey...
8 answers

Solve for x in the equation 2 x squared minus 5 x + 1 = 3.

Solve for x in the equation 2 x squared minus 5 x + 1 = 3....
3 answers

A60-w, 120-v light bulb and a 200-w, 120-v light bulb are connected in series across

A60-w, 120-v light bulb and a 200-w, 120-v light bulb are connected in series across a 240-v line. assume that the resistance of each bulb does not vary with current. (note: this description of a light bulb gives the power it dissipates when connected to the stated potential difference; that is, a...
3 answers

S= 2 ( lw + wh + lh ) Where L = 15 inch W= 12 inch , H = 3 inch

S= 2 ( lw + wh + lh ) Where L = 15 inch W= 12 inch , H = 3 inch...
4 answers

Which is key to a successful interview? a. bringing a friend to confirm your good character b. avoiding eye contact with the

Which is key to a successful interview? a. bringing a friend to confirm your good character b. avoiding eye contact with the interviewer c. preparing questions that demonstrate your interest in the job d. carrying a book to read while waiting...
4 answers

What is the Kafkaesque style? Where do you see it in the graphic novel (pgs. 107-125)?title: Discovering the Kafkaesque style.

What is the Kafkaesque style? Where do you see it in the graphic novel (pgs. 107-125)? title: Discovering the Kafkaesque style....
4 answers

The South Pole is at the highest degreelatitude possible, or at 90 degrees southlatitude.

The South Pole is at the highest degree latitude possible, or at 90 degrees south latitude....
3 answers

This is a political cartoon drawn by Benjamin Franklin. What outcome was Franklin advocating for with the cartoon?A. advocate for an

This is a political cartoon drawn by Benjamin Franklin. What outcome was Franklin advocating for with the cartoon? A. advocate for an alliance with American Indian peoples. B. To persuade the colonies to stand united in the French and Indian War. C. To convince the colonies to join the cause of i...
4 answers

Make a word that means “to watch an event.”

Make a word that means “to watch an event.”...
3 answers

You are the host of a television talk show and your guests are Kylie Grimes and her mother.You talk

You are the host of a television talk show and your guests are Kylie Grimes and her mother. You talk to Kylie about what she has achieved so far and how she would like her career to developYou also ask her mother for her thoughts about her daughter and the dangerous sport in which shetakes part. Wr...
3 answers

What european cultural practices did the chinese dislike?

What european cultural practices did the chinese dislike?...
3 answers

Alex nervously looked at the website of the Soccer Olympic Development Program. The program let in very

Alex nervously looked at the website of the Soccer Olympic Development Program. The program let in very few soccer players. It was especially challenging for goalies like him. Only the best players in the country were selected to train for a spot on the national team. Would he be one of them?...
5 answers

Which country would be most likely to join an intergovernmental organization? O A. A poor dictatorship

Which country would be most likely to join an intergovernmental organization? O A. A poor dictatorship that hopes to improve its reputation with other countries O B. A powerful democracy whose people worry about giving up any political autonomy O C. An aggressive country that believes countries shou...

-- 0.012830--