Advanced Placement (AP) High School

Calculate the amount of work done against an atmospheric pressure of 1.00 atm when 500.0 g of zinc dissolves in excess acid at 30.0°C.

Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)

Possible answers:

A. w = +24.9kJ
B. w = -2.52kJ
C. w = 0
D. w = -19.3kJ
E. w = +22.4kJ

Answers

Answer 1
D w 19 k j. I belive. thx.
Answer 2
D.w = -19.3kJ sorry if wrong

Related Questions

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 Explain what is meant by "commercial sites" (site 1)

Answers

Answer:

A commercial site might have reliable information, you have to be extra careful because commercial sites promote businesses, products, or services, so the content is likely to be biased toward whatever is being promoted. Once you have looked at the overall website, look at who wrote the article you are interested in. The article should include the author’s name, qualifications, and contact information. Consider whether the author is an expert on the subject matter and whether the author is qualified to write about it.

Explanation:

it gave me 100% on edg

Answer:

the other guy is right

Explanation:

Please help, for AP Human Geography, I only have an hour left. :/

The excerpt is the English translation of a Vietnamese folk song.

While seedlings for the summer crop are not old
when they are three months of age,
Seedlings for the winter crop are certainly not young
when they are one-and-a-half months old.

Which statement best describes this folk song?

a. It likely originated anonymously and was used to orally convey information about agricultural technology.
b. It was likely written by a musician and sold to farmers who wanted information about agricultural technology.
c. It likely originated anonymously and spread to other cultures where agriculture was important.
d. It likely was written by a farmer and sold to the public for use in special music festivals.
e. It likely began as a tribal story and spread to other cultures looking for agricultural technology tips.

Answers

Answer:

It likely originated anonymously and was used to orally convey information about agricultural technology.

Explanation:

Which of the following is not true about the play Hedda Gabler

Answers

Answer: Hedda Gabler uses abundant poetic dialogue

Explanation: I just took it

Answer:

hedda gabler uses abundant poetic dialogue

Explanation:

also took the quiz :)

URGENT PLEASE HELP!!

An electron in a 3p orbital could have a value of 2 for its angular momentum quantum number (l).

Possible answers:
A. True
B. False

Answers

Answer:

False statement , it can not!!!!!!!!!

URGENT PLEASE HELP!!

Each shell (principal energy level) of quantum number n contains n subshells.

Possible answers:

A. True

B. False

Answers

The correct answer is true

If a certain town started with 45 people and had 360 people 15 months later, what is the growth rate? (r can also be per month instead of per year)

Answers

The correct answer is 27

Do you guys know any songs about migration or population? I need songs for my AP Human Geography project.

Answers

Calibre 50 El Inmigrante

Juan Luis Guerra 4.40 Visa para un sueño

New Immigration Law
Song by Cocoa Tea
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