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Questions (280)

Which reaction is exothermic?A. Cellular respiration B. Photosynthesis C. Baking soda + vinegar D. Melting Ice***
1. 1 answer
2. 916 views
Hi again,I was wondering about a paragraph in my Informal Essay & wasn't sure if what I had used was correct. Which of the
1. 1 answer
2. 533 views
Ok this is an 8th Grade Language Arts essay: Informal Essay."Take a humorous approach in your essay" is part of the instructions
1. 5 answers
2. 605 views
Help please.According to the following diagram, approximately how much time goes by between phase H and phase B? explain your
1. 6 answers
2. 607 views
How would I simplify it?1/3 (3^2 x 3^-3)
1. 1 answer
2. 384 views
Find two consecutive even integers such that the sum of the larger and 3 times the smaller is 234.I don't get how to put it as
1. 1 answer
2. 1,512 views
The sum of four consecutive even integers is the same as the least of the integers. Find the integers.Help please!
1. 1 answer
2. 1,070 views
The sum of four consecutive even integers is the same as the least of the integers. Find the integers.I'm not sure how to solve
1. 1 answer
2. 2,573 views
How do the European Union (EU) and United States (US) differ?Question 2 options: a)Location. b)The EU remains a confederation
1. 0 answers
2. 596 views
For the reaction NH3+? O2 →? NO+? H2O ,what is the maximum amount of NO (30.0061 g/mol) which could be formed from 3.79 g of
1. 1 answer
2. 957 views
A carpenter is assigned the job of expanding a rectangular deck where the width is one-fourth the length. The length of the deck
1. 1 answer
2. 1,025 views
A 13.0 kg block of concrete rests on a 5 cm by 2 cm board. What is the acceleration of the block of concrete here on Earth?
1. 1 answer
2. 426 views
A spherical object made of stone is dropped into a container of water and sinks to the bottoms of the container causing 30N of
1. 1 answer
2. 467 views
Eliminate the parameter and sketch the curve. x=cos(theta) , y=cos^2(theta) + 8cos(theta)
1. 1 answer
2. 494 views
Remove the xy-term by rotation of axes, reduce the resulting equation to standard form and trace the curve on the new axes:
1. 1 answer
2. 1,336 views
Can aluminum (Al) react with K2SO4 by single replacement to yield products? Using the activity series chart, I know that K is
1. 2 answers
2. 578 views
Chad has a rope that is 9 yards long. How many pieces of rope measuring of a yard can he divide his rope into?
1. 2 answers
2. 759 views
Is PbI2 soluble in water or not? Following the solubility rules for ionic compounds, salts containing Pb are insoluble and
1. 1 answer
2. 5,360 views
You try to run the CHKDSK utility from a command prompt but you keep getting an error message that you need to run it in
1. 2 answers
2. 3,883 views
What are some working conditions in factories today?Please help Thank you:)
1. 3 answers
2. 421 views
18 students in a class play baseball. 17 students in the class play basketball. 30 students in the class play either or both
1. 22 answers
2. 5,209 views
My class is doing an essay on dracula and I need help with a thesis statement. This is the topic I chose:Issue of Trust &
1. 2 answers
2. 775 views
What volume of oxygen gas is needed to react completely with 0.677 L of carbon monoxide gas (CO) to form gaseous carbon dioxide?
1. 4 answers
2. 1,357 views
What volume of oxygen gas can be collectedat 1.26 atm pressure and 2.00◦C when 39.7 g of KClO3 decompose by heating, according
1. 1 answer
2. 1,113 views
1. Realists reacted to the industrial revolution by creating what types of paintings?A. Images of the wealthy B. Images of the
1. 4 answers
2. 2,675 views
Valley of the shadow of death by Roget Fenton1. How does roger Fenton use visual composition in valley of the shadow of death to
1. 2 answers
2. 1,329 views
At a school camp, 30% of the students were boys. When 87 students left the camp after the second day, half the original number
1. 4 answers
2. 2,052 views
What is a limiting factor of EFS when compared to BitLocker?
1. 0 answers
2. 1,144 views
What is an equation of the line, in point-slope form, that passes through the given point and has the given slope?a.
1. 0 answers
2. 484 views
The function f(x)=x^2. The graph of g(x) is f(x) translated to the right 3 units and down 3 units. What is the function rule for
1. 1 answer
2. 10,381 views
Matthew used 1/5 of a box of flour for cooking and ¾ of the remainder to make bread. The rest of the flour was packed equally
1. 3 answers
2. 711 views
I have two questions for english that I honestly don't know… I put what I think it is but I think its completely wrong…1.
1. 11 answers
2. 6,258 views
A 0.340 kg block on a vertical spring with a spring constant of 4.09 × 103 N/m is pushed downward, compressing the spring
1. 1 answer
2. 1,593 views
I need help calculating Heat of fusion for a calorimeter experiment:I know that Q(melt): 8350.46 J, m(ice): 26.39g and m(hot
1. 4 answers
2. 722 views
I dropped marbles down from the same height for an experiment, but why don't they land in the same location?
1. 1 answer
2. 533 views
I want to say, I liked reuniting with my relatives, is it "me gustó reunirme con mis parientes" or is it "...reunirse con mis
1. 1 answer
2. 512 views
How do I say, "I learned to bargain?"Is this correct, yo aprendí regatear?
1. 1 answer
2. 453 views
I'm wonder if im correct?Two physics students built a model rocket for a class project. Once the rocket is launched, its height
1. 4 answers
2. 646 views
Is this right?0 > -2
1. 2 answers
2. 339 views
A classmate states that igneous rock must always become a sedimentary rock next, according to the rock cycle. Explain why this
1. 1 answer
2. 658 views
Ok so...-4 (2 +8) = (-4 • 2) + (-4 •N) What would N be?
1. 1 answer
2. 331 views
Phase diagram for soil Mechanics?
1. 1 answer
2. 580 views
100g of a saturated solution of KNO3 was cooled from 80 degrees to 50 degrees. What mass of KNO3 would be expected to
1. 3 answers
2. 1,657 views
In First principles there is usually a part that states as lim approaches 0. Now I came across a question where the limit was as
1. 1 answer
2. 535 views
A circular oilspill is spreading such that the radius is increasing at 0.5 metres per minute. Find the rate of increase of the
1. 1 answer
2. 520 views
a meteorite slams into the earths crust and penetrates d=(1200t-36000t^2)m in t seconds after impact. What is the maximum depth
1. 1 answer
2. 384 views
a rectangular storage area is to be constructed along the sides of a tall building. A security fence is required along the three
1. 0 answers
2. 744 views
a rectangular storage area is to be constructed along the sides of a tall building. A security fence is required along the three
1. 4 answers
2. 1,155 views
How many solutions will the following systems of equations have?x^2+y^2=10 x+y=4 a. infinite b. 0 c. 1 d. 2 I'm thinking A. but
1. 1 answer
2. 499 views
A 0.160-g sample of unknown metal (X) reacts with hydrochloric acid to produce 66.5 mL of "wet" gas at 20 °C and 754 mm Hg.
1. 1 answer
2. 999 views
Helpful steps?Calculate the predicted atomic radius for potassium, K, given the atomic radius of rubidium, Rb, (0.247 nm) and
1. 3 answers
2. 3,697 views
Help please:A 0.199-g sample of unknown metal (X) reacts with hydrochloric acid to produce 88.5 mL of "wet" gas at 20 °C and
1. 2 answers
2. 1,715 views
How many nonbonding electron pairs are in an oxygen molecule?I drew it but im unsure if Im correct in saying it has 2 nonbonding
1. 2 answers
2. 2,251 views
How would I graph this:(I don't understand the whole with [1/volume] (units=1/mL) on the X-axis ) According to Boyle's Law,
1. 2 answers
2. 1,146 views
1. What happens to the levels of surface water and groundwater during a drought?Surface water and groundwater levels increase
1. 70 answers
2. 14,983 views
Carbon dioxide is obtained from the air and changed into carbohydrates and oxygen duringthe process of A) fossilization. B)
1. 0 answers
2. 709 views
How did issues regarding African Americans equality shaped US 1850-1920?
1. 1 answer
2. 407 views
I was doing a math question and I got the answer "$37,482.43" but the question says to round to the nearest dollar. What would
1. 5 answers
2. 395 views
Which of the following is not something Napoleon did to help France wage war and win territory?A. He relied on the mandatory
1. 1 answer
2. 715 views
Which of the following is not something Napoleon did to help France wage war and win territory?A. He relied on the mandatory
1. 3 answers
2. 2,073 views
Which of the following is not something Napoleon did to help France wage war and win territory?A. He relied on the mandatory
1. 3 answers
2. 1,324 views
'Self-portrait'. Describe yourself. In your description you should try to capture what makes you unique.Write about 350-500
1. 1 answer
2. 707 views
S(t) = 0.05t^3 + 0.3t^2 + 2t + 8Find S'(t)
1. 1 answer
2. 943 views
UOIT has recently appointed you to prepare an independent consulting report to analyze the university’s current financial
1. 1 answer
2. 485 views
What is the inequality sign for the word about? For example, Sally had about 10 apples.
1. 1 answer
2. 348 views
An investment broker wants to invest up to $20,000. She can purchase a type A bond yielding a 10% return on the amount invested,
1. 0 answers
2. 780 views
A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 70 hours;
1. 1 answer
2. 849 views
An appliance company has a warehouse and two terminals. To minimize shipping costs, the manager must decide how many appliances
1. 2 answers
2. 1,440 views
The research department in a company that manufactures AM/FM clock radios established the following cost, and revenue functions:
1. 3 answers
2. 1,746 views
The research department in a company that manufactures AM/FM clock radios established the following cost, and revenue functions:
1. 1 answer
2. 596 views
Write a piecewise definition for the tax due T(x) on an income of x dollarsWhen x <= $15,000..... 3% of taxable income When
1. 3 answers
2. 6,059 views
Find the value of $15,000 at the end of one year if it is invested in an account that has an interest rate of 4.50% and is
1. 1 answer
2. 560 views
Here are some questions I had for hw, I answered some of them, can someone check my answers and help me with the ones i didn't
1. 3 answers
2. 1,279 views
A sample of calcium carbonate that has a mass of 1.0 g is heated and completely decomposed-calculate.a) the mass of carbon
1. 2 answers
2. 1,553 views
Critically discuss 8 ways in which hiv/aids impact within a community in South Africa
1. 1 answer
2. 484 views
The legs of an isosceles triangle measures 2x^4+2x-1 units. The perimeter of the triangle is 5x^4-2x^3+x-3 units. Write a
1. 3 answers
2. 1,363 views
The legs of an isosceles triangle measures 2x^4+2x-1 units. The perimeter of the triangle is 5x^4-2x^3+x-3 units. Write a
1. 1 answer
2. 756 views
A tower casts a shadow of 64 feet. A 6 foot tall pole near the tower casts a shadow 8 feet long. How tall is the tower?
1. 2 answers
2. 789 views
Mary sells roses for $24.98 a bunch. At the end of the day she had collected $274.78. How many bunches of roses did she sell?
1. 1 answer
2. 410 views
why is enzymatic catalysis essential for life? Describe in detail the mechanism for enzyme mediated anabolic and catabolic
1. 0 answers
2. 392 views
Huong reduced the size of a rectangle to a width of 1 inch. What is the new height if it was originally 18 inches tall and 6
1. 1 answer
2. 464 views
What are thease layers of earth made of?Crust Lower mantel outer core inner Core. and asthenospher and lithosphere
1. 1 answer
2. 884 views
Can you please give me an article about medicine that have 3 pages?
1. 4 answers
2. 471 views
In a geometric sequence, the fourth term is -4, and the eighth term is -324. What is the tenth term?
1. 1 answer
2. 2,846 views
when is a substance classified as pharmaceutical aid or necessity?PLEASE HELP ME :)THANKS A LOT.
1. 0 answers
2. 823 views
I am a fraction with a deminator of 4. I am greater than1/2 but less than 1. What fraction am i?
1. 2 answers
2. 669 views
The cake perimeter is 72 inches. The length is 2 times the width, what is the area of the cake?
1. 3 answers
2. 789 views
Im finding local Min and max of x^2/x-2I know I take the derivative of the first one but how do i derive this one. And the
1. 1 answer
2. 425 views
Solve the equation for y. Then graph the equation. 5x – 4y = 12 A.y=-5/4x-3 B.y=4/5x+3 C.y=5/4x-4 D.y=-4/5x+3
1. 2 answers
2. 584 views
8 letter word for a substance that can be broken down into two or more simpler substances?
1. 1 answer
2. 458 views
Can u please give me 2 own examples of contrariety,subcontrariety,subalternation,and,contradiction?PLEASE.
1. 0 answers
2. 312 views
In what ways are there three processes similar in terms of the starting materials and end products?
1. 0 answers
2. 840 views
Mole percent composition of earths dry atmosphere is 78% N2, 21% O2 and 1.00% Ar.Using the atmospheric pressure you recorded in
1. 3 answers
2. 490 views
If 0.500L of dry N2 was bubbles into an inverted flask through water to saturate it at 25.0C, what would be the total volume at
1. 1 answer
2. 621 views
(a) What is the energy of a pendulum (L = 0.9 m, m = 0.4 kg) oscillating with an amplitude of 4.3 cm?(b) The pendulum's energy
1. 0 answers
2. 487 views
(a) What is the energy of a pendulum (L = 0.9 m, m = 0.4 kg) oscillating with an amplitude of 4.3 cm?(b) The pendulum's energy
1. 0 answers
2. 1,151 views
What is the pulse deficit if an apical pulse is 112 and the radial pulse is 88?
1. 2 answers
2. 851 views
We did an experiment and I don't really know how to calculate this question. If you could show me how to do one, then I could do
1. 0 answers
2. 563 views
Diene claims that f(x)=3/x is its own undo rule. Is her conjecture correct?
1. 1 answer
2. 439 views
Why is there no real surface of the sun?
1. 2 answers
2. 483 views

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