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Questions and answers by J, page 4

Questions (837)

Which of the following represents Boyle's gas law?A. Gas turns to a liquid when temperature reaches 0° C (32° F). B. As the
1. 3 answers
2. 957 views
Political Parties have organizations at thea) state level. b) national level c) local level. d) all of the above I think it d
1. 3 answers
2. 883 views
Which of the following parts of the circulatory system carries oxygenated blood?A. An artery moving blood from the heart to the
1. 2 answers
2. 641 views
Mutations during which of the following processes in animals will affect offspring of succeeding generations?A Meiosis B.
1. 4 answers
2. 1,162 views
What year did Google Earth start taking pictures?
1. 3 answers
2. 806 views
Less-economically developed countries will experience higher birth rates than more-economically developed countries due toA.
1. 4 answers
2. 666 views
How quickly does hot tub water evaporate?
1. 3 answers
2. 2,605 views
Is white or blue light better for plants?
1. 3 answers
2. 3,068 views
Which of the following is the purpose of valves in the venous circulatory system?A. Promoting movement of oxygenated blood
1. 2 answers
2. 849 views
Which of the following classes of biomolecules are frequently responsible for bringing about cell differentiation?A
1. 4 answers
2. 1,465 views
Which of the following will happen if mRNA fails to be translated?A The cell's nucleus will produce more chromatin. B. Ribosomes
1. 1 answer
2. 833 views
How to get the answer -6-(-1)=-7,,,,5,,,,-5,,,or 6
1. 1 answer
2. 273 views
Five concentric circles with radii 1, 2, 3, 4, and 5 are drawn as shown dividing the circle of radius 5 into five regions: a
1. 3 answers
2. 1,454 views
What are some major obstacles, failures and triumphs in Jay Gatsby's life?What is the development of career or interests of this
1. 2 answers
2. 501 views
what is the focus of the novel of the great gatsby, whats the writers styles, and his views and tone toward the subject (even if
1. 3 answers
2. 584 views
145% of 320 what does this =
1. 1 answer
2. 355 views
Is the number of moles of an element reacted equal to the number of moles of an element produced?-Let's say for example, 5g of
1. 4 answers
2. 414 views
Does one mole of copper have the same mass as one mole of iron? Explain.- I say no since: 1 mol Cu = 63.55g/mol 1 mol Fe =
1. 4 answers
2. 1,127 views
Let's say for example I have 5g of copper in a beaker. Mass would be 5g + mass of beaker. If I add any given amount of water to
1. 2 answers
2. 768 views
1. Find the future value of current $1,000 5 year from now when annual interest rate 8% is compounded annually2. Find the
1. 2 answers
2. 567 views
The illumination of an object by a light source is directly proportional to the strength of the source and inversely
1. 4 answers
2. 1,909 views
A) if you added 8g of ammonium nitrate to 25mL of room temperature water, what would be the temperature in °C?
1. 2 answers
2. 549 views
I need help with my math pizzazz worksheet page 1671.3x-5y=13 X-2y=5 2.7x-2y=-1 3x-4y=19 3.2x+3y=7 3x+4y=10
1. 5 answers
2. 1,916 views
At 29.6 degrees C, pure water has a vapor pressure of 31.1 torr. A solution is prepared by adding 86.7 g of "L" a nonvolatile
1. 2 answers
2. 748 views
Hey friends, I have a big assignment I've been given that I really, really could use an 100% on. I've been working on it for
1. 3 answers
2. 509 views
An electron has an uncertainty in its position of 507pm. What is the uncertainty in its velocity?
1. 2 answers
2. 613 views
How old is a sample that contains 125 atoms of U-235 and 375 atoms of Pb-207?...Given that the half life values on my handout
1. 3 answers
2. 1,274 views
Explain the impact of the Japanese attack on Pearl Harbor.
1. 3 answers
2. 431 views
Describe the difference between saying that two segments are congruent and saying that two segments have equal length. When
1. 2 answers
2. 1,308 views
Maria shares a house with 4 others. She pays $500 rent per month plus her utilities. If the utilities cost a total of x dollars,
1. 2 answers
2. 583 views
The half-life of the Nobelium isotope No^257 is about 23 seconds. 644 seconds (or 28 half-life periods) after the isotope was
1. 2 answers
2. 620 views
On successive plays, the home football team gains 12 yd, loses 3 yd, loses 5 yd, gains 15 yd and runs 16 yd for a touchdown.
1. 2 answers
2. 610 views
Some people in a hotel are dropping water balloons from their window onto the ground below. The balloons take .15s to pass your
1. 4 answers
2. 1,252 views
A boat moving at 5 mi/h is to cross a river in which the current is flowing at 3 mi/h. In what direction should the boat head to
1. 4 answers
2. 2,625 views
The pH of a buffer can be predicted using the Hendersen-Hasselbach equation:pH=pKa+ log([conjugate base][conjugate acid]) The
1. 2 answers
2. 815 views
A chemist needs to prepare a buffer using the carbonate system (information in the table below) with a final pH of 6. Which
1. 2 answers
2. 802 views
A chemist needs to prepare a buffer using the carbonate system (information in the table in the previous quetion) with a final
1. 3 answers
2. 747 views
Assume you have prepared 100.0 mL of a buffer solution using 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium
1. 2 answers
2. 842 views
critically evaluate this statement 'an international retailers preferred market entry method directly affects its market
1. 1 answer
2. 367 views
How does recycling influence culture
1. 2 answers
2. 471 views
joules needed to melt 30.0 g of ice at 0 ∘C and to warm the liquid to 60.0 ∘Cso i did Q=mFf which i set up like 30.g x 334
1. 3 answers
2. 5,191 views
a block is given an initial velocity of 3 m/s up the 22 degree plane.A.) How far up will the plane go B.) How much time elapses
1. 3 answers
2. 1,401 views
A rectangle is inscribed in the interior section cut from the parabola x = 1/4 y2 by the line x=3. One side of the rectangle
1. 2 answers
2. 545 views
PLEASE HELP I AM NOT SURE WHAT THE CORRECT ANSWERS ARE: I have guessed them please let me know if they are correct.1. The LEAST
1. 2 answers
2. 581 views
With what maximum speed can an unsecured passenger stay in their seat on a Ferris wheel that has a diameter of 12 m.so, this
1. 1 answer
2. 424 views
A card is drawn from a well shuffled deck of 52 cards. Find P (drawing an acre or a 9)
1. 3 answers
2. 931 views
The man quickly but carefully opened the oyster’s hard shell.A. quickly B. but C. carefully D. opened I think the answer is B
1. 5 answers
2. 1,282 views
A genetic experiment with peas resulted in one sample of offspring that of 421 green peas 155 yellow peas. Construct a 95% conf.
1. 2 answers
2. 557 views
A 22 kg suitcase is being pulled with constant speed by a handle that is at an angle of 23 ∘ above the horizontal.If the
1. 2 answers
2. 660 views
Let f(x) = 2x − 6. Solve f^−1(x) when x = 2.I think it is 4. f(x) = 2x - 6 y = 2x - 6 x = 2y - 6 +6 + 6 x + 6 = 2y -----
1. 1 answer
2. 319 views
Which of the following most directly resulted from the Neolithic Revolution?•Populations increased. •Complex cultures
1. 55 answers
2. 12,910 views
Find three consecutive even integers such that the sum of the smallest and largest is 36
1. 4 answers
2. 2,268 views
Having a hard time in World History! Please let me know if these are right and if not please tell me the answers!1. How did the
1. 15 answers
2. 6,265 views
Statistics of Suicide regarding Antisocial Personality Disorder
1. 4 answers
2. 471 views
The stockholders’ equity at the beginning of the period was $200,000; at the end of the period, assets were $255,000 and
1. 1 answer
2. 500 views
For a 0.47 M solution of LiClO compute the pH.Hi. I am confused about this question. I calculated the pH...but my answer is
1. 3 answers
2. 1,660 views
Use two concentration tables to calculate the concentrations of the species present in a 0.0400 M solution of CsBrO.a.[HBrO]
1. 2 answers
2. 723 views
Give a simple test that would allow you to distinguis between the following pairs of anions. Tell what you would do and what you
1. 2 answers
2. 551 views
Determine the mass of NH2CH2CO2Na and the volume of 0.150 M HCl solution required to make 1.35 L of a buffer solution at
1. 1 answer
2. 774 views
A laboratory technician wants to determine the aspirin content of a headache pill by acid–base titration. Aspirin has a Ka of
1. 2 answers
2. 601 views
For questions 1-5 solve the equation.1.-2v-7=23 (A)15 (B)8 ★ (C)-8 (D)-15 2. X/3-10=-12 (A)-6 (B)-66 (C)6 (D)66★ 3. d/3+10=7
1. 6 answers
2. 4,816 views
A row of seats is parallel to a stage at a distance of 8.70 m from it. At the center and front of the stage is a diffraction
1. 2 answers
2. 839 views
Ship A is sailing due west at 8km/hr when it sees ship B northwest of its present position. If ship B is sailing due south at
1. 3 answers
2. 1,244 views
Can you fix any grammar I may have done wrong. Help Mme! Merci beaucoup.______________________________________ 1. In the
1. 6 answers
2. 512 views
What is methanol?
1. 3 answers
2. 338 views
A $4,000 principal is invested in two accounts, one earning 3% interest and another earning 4% interest. If the total interest
1. 2 answers
2. 698 views
I get that you're supposed to balance; however, I was confused on how to do the reduction and oxidation electron equations (the
1. 3 answers
2. 553 views
Rheumatoid arthritis (RA) is a chronic disease that affects synovial joints. About 1% of the world population suffers from this
1. 1 answer
2. 485 views
In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art
1. 2 answers
2. 565 views
A triangular lot is 120ft on one side and has a property line of 700ft. Find the area of the lot in acres (figure not drawn to
1. 2 answers
2. 961 views
19. How is Snyder v Phelps an example of competing rights? Be specific in your answer.The court case of Snyder v phelps is an
1. 10 answers
2. 10,921 views
6. Which criteria must a law meet in order to pass the government's strict scrutiny test to reasonably discriminate?8. Which of
1. 2 answers
2. 1,023 views
1. How do your values of and compare with literature/theoretical values? What are possible sources of any discrepancy between
1. 2 answers
2. 552 views
Ronald Johnson, who is 80.0 kg, is running at 4.00 m/s when he suddenly jumps onto a stationary playground merry-go-round at a
1. 4 answers
2. 920 views
a cannon tilted up at 33 degree angle fires a cannon ball at 88 m/s from atop a 12.0 m high fortress wall. What’s the balls
1. 3 answers
2. 477 views
( The surface area of the container is about 1601.4 cm )The container is coated with 2 layers of specialty paint that costs
1. 4 answers
2. 495 views
A 5.0-kg block accelerates at 0.80 m/s2 along a horizontal surface when a forward horizontal 12.0-N force acts on it. Show that
1. 4 answers
2. 706 views
Fred goes down a 5.0-m slide at a playground in 2.0 s. He starts from rest and accelerates uniformly. Show that his acceleration
1. 3 answers
2. 560 views
A 0.15-kg ball dropped from a helicopter at a height of 1.0 x 102 m. Show that the speed of the ball is about 44 m/s just before
1. 3 answers
2. 483 views
The hydroperoxide ion, HO2–(aq), reacts with permanganate ion, MnO4–(aq) to produce MnO2(s) and oxygen gas. Balance the
1. 5 answers
2. 3,643 views
You place a point charge q = -4.00 nC a distance of 9.00 cm from an infinitely long, thin wire that has linear charge density
1. 3 answers
2. 1,618 views
Which is a central idea from The Epic of Gilgamesh?A. Not all of the gods agree with Enlil’s plan to destroy humankind. B.
1. 9 answers
2. 3,608 views
Remember "The Wicked Witch of the West" from The Wizard of Oz? She melted when doused with water. What do you think her cell
1. 1 answer
2. 516 views
$2000 at 4% for 3 months what is the simple interest rate
1. 3 answers
2. 784 views
Explain how you can obtain a solid sample of sugar from a mixture of aluminum camphor and sugar
1. 1 answer
2. 305 views
Mario wants to cut two pieces of material into equal-sized squares with no materials wasted. One piece measures 12 in. by 36 in.
1. 3 answers
2. 823 views
In 1800, the wood bison population in North America was estimated at 168 000. The population declined to only about 250 animals
1. 2 answers
2. 505 views
An airplane flies directly from Saskatoon, SK, to Vancouver, BC. The graph shows the relationship between the distance from
1. 3 answers
2. 494 views
Can some please tell me the answers to the southwest and South Asia practice plzzzzzz it has 15 questions
1. 3 answers
2. 411 views
Rectangular sheet metal has a length of 147.5 mm and a width of 86.5 mm. Find its area in1.〖mm〗^2 2. m^2
1. 1 answer
2. 191 views
2H2 (g) + O2 (g)→ 2H2O (l)A total of 12.0 grams of hydrogen and 64.0 grams of oxygen are available. Once mixed, this reaction
1. 3 answers
2. 1,505 views
2HCl (aq) + K2CO3(aq) → H2O ( l ) + 2 KCl (aq)+ CO2 (g) A total of 2.0 moles of potassium carbonate and 3.0 moles of
1. 2 answers
2. 1,001 views
2HCl(aq) + K2CO3(aq) = H2O(l) + 2KCl(aq) +CO2(g)A total of 2.0 moles of potassium carbonate and 3.0 moles of hydrochloric acid
1. 2 answers
2. 822 views
Explain what is meant by “field” and compare the properties of gravitational, electric, and magnetic forces in terms of
1. 1 answer
2. 284 views
A charge is moved from one point to another in an electric field. Explain briefly the relationship between electric potential
1. 1 answer
2. 374 views
Light of wavelength 575 nm is directed at a metallic surface with a work function of 1.60 eV.(a) What is the maximum kinetic
1. 1 answer
2. 311 views
Integral of t^2/(t^2+b^2)^3/2 dt
1. 1 answer
2. 131 views
A toboggan slides down a hill and has a constant velocity. The angle of the hill is 5.50 with respect to the horizontal. What is
1. 4 answers
2. 3,179 views
During which time interval was the motion fastest?A:1 h to 2 h B:2 h to 3 h C:3 h to 4 h D:4 h to 5 h
1. 5 answers
2. 464 views
What is this number 10 319 917,440660475 in word form?
1. 1 answer
2. 123 views

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