Questions and answers by

Angela

Questions (1,067)

At equilibrium, what is the hydrogen-ion concentration if the acid dissociation constant is 0.000 001 and the acid concentration
1. 2 answers
2. 1,005 views
A gas occupies a volume of 140 mL at 35.0 C and 97 kPa. What is the volume of the gas at STP?N = ( P )( V ) / ( R ) ( T ) N = (
1. 1 answer
2. 2,332 views
A gas has a volume of 590 mL at a temperature of –55.0 C. What volume will the gas occupy at 30.0 C?V1T1 = V2T2 (590
1. 1 answer
2. 2,159 views
Which of the following is true about indicators?A. They are weak acids or bases. B. They are as accurate as a pH meter. C. They
1. 1 answer
2. 599 views
The conjugate acid in the reaction described in HCl(g) + NH3(aq) → NH4 +(aq) + Cl- (aq) isA. HCl(g). B. NH3(aq). C. NH4+ (aq).
1. 2 answers
2. 3,872 views
An example of a positive externality isA. noise B. crime C. parks D. trash I think the answer is C. Parks. Will someone tell me
1. 2 answers
2. 2,768 views
Calculate the enthalpy change, ∆H in kJ, for the reaction H2O(s) → H2(g) + 1/2O2(g)Use the following: A. –291.9 kJ B.
1. 1 answer
2. 3,252 views
Absolute zero isA. the temperature at which the motion of particles theoretically ceases. B. defined as 0°C. C. the triple
1. 2 answers
2. 695 views
Absolute zero isA. the temperature at which the motion of particles theoretically ceases. B. defined as 0°C. C. the triple
1. 1 answer
2. 862 views
What name does the author use for cameras employed by supervisors to transmit facial expressions and other behavior of employees
1. 2 answers
2. 476 views
You notice that a lawn looks unhealthy and that, perhaps, the grass is dying. Undertake a scientific project to save the lawn.
1. 3 answers
2. 1,793 views
The distance require to stop a car varies directly as the square of its speed. If 250 feet are required to stop a car traveling
1. 2 answers
2. 4,108 views
Write the formulas for silicon dioxide.SiO2 so how am i suppose to write formula(s) for it? like how ?
1. 1 answer
2. 583 views
Write the formulas for silicon dioxide.Note: it says formulas SiO2 i guess is a formula but idk how to write formulas for it.
1. 1 answer
2. 757 views
Complete and balance the following equation. Then write it as a net ionic equation. K3PO4(aq) + MgCl2(aq)Umm...help
1. 5 answers
2. 7,094 views
Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel?I got phosphorus wrong as my
1. 4 answers
2. 1,086 views
I need help with Chemistry homework.. I don't know how to write formulas..Please help me!Write the formulas for silicon dioxide.
1. 3 answers
2. 534 views
What determines whether one metal will replace another metal from a compound in a single-replacement reaction?
1. 0 answers
2. 517 views
What determines whether one metal will replace another metal from a compound in a single-replacement reaction?
1. 1 answer
2. 622 views
What determines whether one metal will replace another metal from a compound in a single-replacement reaction?
1. 2 answers
2. 1,672 views
Identify the correct sentence.A. Wilma does'nt have too much trouble distinguishing between "their, there, and theyre." B. Wilma
1. 3 answers
2. 5,377 views
Identify the correct sentence.A. Somethings are better left unsaid. B. Some-things are better left un-said. C. Some things are
1. 4 answers
2. 4,556 views
Identify the sentence that is correctly punctuated.A. It is not always necessary; however, to check the entire set of books. B.
1. 2 answers
2. 1,051 views
To indicate a word is slang or informal usage,:A. enclose it in quotation marks. B. explain it in parentheses. C. underline it.
1. 5 answers
2. 5,975 views
Identify the sentence that is punctuated correctly.A. She is wearing a new yellow dress, and looks clean and neat. B. The
1. 1 answer
2. 1,397 views
Which of the following is NOT considered to be a short introductory expression?A. Okay B. Yes C. Oh D. Well A
1. 3 answers
2. 8,031 views
Identify the sentence that is punctuated correctly.A. These products may not seem as exciting as they did in the past but maybe
1. 8 answers
2. 5,330 views
Which of the following is used for titles of subdivisions of published works, such as chapters of a book?A. Quotation marks B.
1. 5 answers
2. 8,019 views
The main use of brackets in writing is to:A. mark an interruption in a quotation. B. note an error in a quotation. C. indicate
1. 5 answers
2. 6,187 views
The semicolon separates:A. divisions of time. B. titles and subtitles. C. long or formal quotations. D. equal and balanced
1. 4 answers
2. 6,286 views
Choose the correct use of apostrophes in the next sentence.Marcs ambition is to buy his uncles 1947 Dodge and restore it to its
1. 2 answers
2. 6,173 views
My father was a hard working man but didn't earn much money.A. Correctly punctuated B. Add a comma after hard C. Close up hard
1. 6 answers
2. 6,591 views
Never divide:A. the last word on a page. B. a word less than two syllables. C. a contraction. D. All of the above D
1. 1 answer
2. 6,087 views
Identify the sentence that is punctuated correctly.A. The operating costs, as he probably told you, are too high. B. The
1. 2 answers
2. 5,213 views
Identify the sentence that is punctuated correctly.A. Researchers know little about the distinctive market behavior of that
1. 7 answers
2. 6,046 views
Identify the sentence that is punctuated correctly.A. Although, the impact on our planet is clear global warming was not a high
1. 1 answer
2. 1,194 views
When addresses appear within the text of a document,:A. always abbreviate the street, city, and state. B. it is optional to
1. 2 answers
2. 2,090 views
Identify the sentence that is punctuated correctly.A. He whispered, "I love you," and then fainted. B. "Your idea is excellent"
1. 1 answer
2. 2,763 views
Identify the sentence that is correctly punctuated.A. Clara did not study very much for her biology test, therefore, she guessed
1. 1 answer
2. 6,221 views
The only acceptable way to divide words at the end of a line is:A. to let the computer decide. B. before the last three letters.
1. 1 answer
2. 4,839 views
A __________ is always placed after a closing quotation mark.A. semicolon or comma B. semicolon or colon C. period or question
1. 1 answer
2. 1,414 views
Identify the correct sentence.A. The River in Hackensack, New Jersey overflowed during Hurricane Sandy. B. The river in
1. 4 answers
2. 5,315 views
Which of the following means expressing someone else's exact words?A. Direct quotation B. Paraphrasing C. Plagiarizing D.
1. 5 answers
2. 5,456 views
Whereas a semicolon separates, a colon usually:A. is a mark of introduction. B. denotes items in series. C. follows a
1. 6 answers
2. 6,778 views
dentify the correct sentence.A. Carla went to work at 248 Prospect Ave in Brooklyn, NY. B. Carla went to work at 248 Prospect
1. 1 answer
2. 1,025 views
Identify the sentence that is punctuated correctly.A. Generally speaking, principals are responsible for the acts of their
1. 1 answer
2. 4,479 views
When addresses appear within the text of a document,:A. always abbreviate the street, city, and state. B. it is optional to
1. 3 answers
2. 6,000 views
Identify the sentence that is punctuated correctly.A. He whispered, "I love you," and then fainted. B. "Your idea is excellent"
1. 3 answers
2. 4,365 views
The appropriate mark to introduce a bulleted list is a:A. colon. B. semicolon. C. period. D. No punctuation A
1. 3 answers
2. 5,134 views
Identify the correct sentence.A. The high school is located at 15385 Sheridan St., Pembroke Pines, FL. B. The high school is
1. 3 answers
2. 5,219 views
Identify the sentence that is correctly punctuated.A. When the police recover the lost merchandise—a diamond bracelet, they
1. 10 answers
2. 6,062 views
Use a __________ after an independent clause that introduces a clause, aphrase, or even a single word that explains the original
1. 7 answers
2. 7,185 views
Identify the sentence that is correctly punctuated.A. Clara did not study very much for her biology test, therefore, she guessed
1. 4 answers
2. 1,438 views
The mens clothing shop also does alterations, so Robin brings her dresses and skirts there to be hemmed.A. No apostrophes needed
1. 3 answers
2. 5,861 views
Identify the sentence that is punctuated correctly.A. Boston, Massachusetts played an important role in American history and
1. 6 answers
2. 5,069 views
Identify the sentence that is punctuated correctly.A. The cost and size of computers decreased, as rapidly as processing power
1. 3 answers
2. 4,718 views
Identify the correct sentence.A. In order to assess you're level of improvement in the course, you need to take both the
1. 7 answers
2. 6,052 views
When addresses appear within the text of a document,:A. always abbreviate the street, city, and state. B. it is optional to
1. 1 answer
2. 1,505 views
Identify the sentence that is punctuated correctly.A. Here is our check, Mr. Vons, for $7.35. B. Here is our check Mr. Vons, for
1. 2 answers
2. 1,200 views
At a supermarket, pineapple juice sells at $1per unit (16ounces). Greg wants to buy eighteen 40- ounce cans of pineapple juice
1. 1 answer
2. 557 views
sWhich of the following would be the best example of a total institution? A. A mental hospital B. A private university C. A
1. 2 answers
2. 4,175 views
__________ is a position in life that one does not choose, but is awarded at birth or is related to the life course.A. Achieved
1. 1 answer
2. 556 views
__________ is credited with being the place where the Industrial Revolution began in 1765.A. The United States B. Great Britain
1. 1 answer
2. 577 views
Gemeinschaft is to "intimate community" as Gesellschaft is to:A. the dawn of civilization. B. impersonal association. C.
1. 1 answer
2. 1,052 views
As children, boys usually receive trucks, sporting equipment, and action toys. Girls receive stuffed animals and gifts that are
1. 1 answer
2. 1,250 views
Which statement best describes the difference between how Westerners and Easterners perceive the world and think about it?A.
1. 2 answers
2. 970 views
George Herbert Mead indicate a child must learn to take multiple roles in the __________ stage of development.A. sensorimotor B.
1. 2 answers
2. 699 views
Tony is five years of age. He loves to dress up like the Lone Ranger and pretend to help people in need. According to Mead's
1. 1 answer
2. 1,583 views
Mattie is a new sociology professor at the local college. During her first lecture, she noticed that some students were yawning.
1. 4 answers
2. 3,703 views
My brother must have had the angels watching over him yesterday. As he __________ from branch to branch like a monkey in a tree,
1. 2 answers
2. 4,006 views
Which sentence is preferable?A. A student must see their advisor before registering for the following semester. B. A student
1. 10 answers
2. 6,517 views
New patients should arrive 20 minutes early, so __________ time to fill out the paperwork.A. they have B. you have C. he or she
1. 2 answers
2. 4,150 views
Which sentence is preferable?A. Everyone did his work quietly. B. Each person did their work quietly. C. Everyone did their work
1. 2 answers
2. 3,711 views
Kristen is a prolific writer. She __________ a couple books of poetry and about a hundred short stories. Someday she __________
1. 4 answers
2. 3,679 views
When preparing to write a summary, you should:A. highlight all main and major ideas after thoroughly reading the article. B.
1. 2 answers
2. 3,875 views
Either Brenda or her mother lost __________ keys.A. their B. her C. hers D. its A
1. 4 answers
2. 4,838 views
Which sentence is preferable?A. One of the students at the school has given up her scholarship. B. One of the students at the
1. 4 answers
2. 4,490 views
sOne-third of the steel units __________ sold, but that one __________. A. have been; wasn't B. been; weren't C. have been;
1. 2 answers
2. 3,799 views
Identify the part of speech or the form of a part of speech in the underlined portion of the next sentence.The children steadily
1. 2 answers
2. 2,155 views
Usually Janice __________ part time at the local community college, but this summer she __________ away to grad school.A. teach;
1. 1 answer
2. 3,202 views
Which of the following statements is true of a summary? article. topic.A. A summary condenses the main points of an article. B.
1. 6 answers
2. 11,728 views
Identify the sentence that uses the present perfect progressive tense correctly.A. Charlene is feeling sick today. B. Charlene
1. 2 answers
2. 4,621 views
Which sentence is correct?A. The company closed their offices. B. The company closed its offices. C. The company closed it's
1. 5 answers
2. 5,223 views
Identify the correct sentence.A. I did my homework when the doorbell was ringing. B. I do my homework when the doorbell is
1. 4 answers
2. 5,085 views
Identify the correct sentence.A. When you will come to Florida next week, we can go out for dinner. B. When you come to Florida
1. 4 answers
2. 2,695 views
Which sentence is correct?A. Has everyone brought their stapler? B. Neither of the girls brought their book to class. C. None of
1. 2 answers
2. 4,895 views
Either the principal or the teachers will do __________ best to resolve the conflict with the parent.A. his B. their C. his or
1. 6 answers
2. 5,538 views
The Boy Scout leader announced a camping trip after everyone earns __________ merit badge.A. his B. his or her C. their D. there
1. 6 answers
2. 4,938 views
When I __________ to pay my restaurant bill, I realized I __________ my credit card at home.A. try; forget B. tried; have
1. 1 answer
2. 4,047 views
The topic sentence of a body paragraph:A. introduces the thesis statement. B. outlines one thesis point. C. is developed during
1. 3 answers
2. 3,262 views
Jessica's high grades in her geometry class made her mother and __________ very proud.A. myself B. I C. me D. ourselves C
1. 4 answers
2. 4,220 views
A body paragraph in an essay is one that:A. expounds upon the thesis of the essay. B. brings closure to the piece. C. features
1. 5 answers
2. 5,264 views
Carla and __________ don't think it is a good idea for __________ girls to go to Tom's Halloween party tomorrow night.A. them;
1. 7 answers
2. 5,698 views
The editor is in charge of proofreading all of the __________ for the newspaper.A. head lines B. head-lines C. headlines' D.
1. 1 answer
2. 5,224 views
The topic sentence of a body paragraph:A. introduces the thesis statement. B. outlines one thesis point. C. is developed during
1. 1 answer
2. 1,039 views
Which of the following is a compound sentence?A. After it began to rain, he could not find his umbrella. B. They met after work
1. 4 answers
2. 4,734 views
Which of the following is a complex sentence?A. She was invited to the party, but she had already made other plans. B. He
1. 6 answers
2. 4,384 views
Choose the correct sentence.A. Whom do you think you are? B. Give the ledger to Mr. Bon or me. C. Either me or you should win
1. 1 answer
2. 4,504 views
Choose the version of the sentence below that has correctly placedmodifiers. A. Coughing and sputtering, Alan steered the old
1. 4 answers
2. 5,430 views
Several __________ were left on their desks in the classroom during recess.A. students book's B. students' books C. students
1. 2 answers
2. 8,719 views