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Zoe

Questions (188)

How can you tell that CO2 has a dipole moment while O2, N2, and HCL does not?
1. 1 answer
2. 470 views
Could you please explain how electronegativity works and how you find the total electronegativity value ofPO3 K2O H2S GIVEN: P-
1. 2 answers
2. 2,827 views
If a ferris wheel with a 20.5 meter radius, how high would one car be from the loding dock at these given angles trveled by the
1. 1 answer
2. 1,053 views
If a ferris wheel has a radius of 20.5meters, how tall would a 45 degree angle be?
1. 1 answer
2. 959 views
Consider two ships which are joined by a cable attached to each ship at the water line. Suppose the two ships are 200 metres
1. 1 answer
2. 550 views
A 4.10 m long, 590 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building
1. 0 answers
2. 841 views
The perimeter of a rectangular playground is 40 yards. It is 1.5 yards longer that it is wide. What is area of playground?
1. 0 answers
2. 587 views
The perimeter of a rectangular playground is 40 yards. It is 1.5 yards longer that it is wide. What is area of playground?
1. 0 answers
2. 542 views
The G8 countries are responsible for 62% of the carbon dioxide emission into the earths atmosphere.Should I classify this as
1. 1 answer
2. 364 views
I have a test on electricity on Friday and I wandering if I could get a basic summary of what I should know.I'm British so I don
1. 2 answers
2. 1,215 views
A cup of coffee costs 80c less than a burger.Together they cost 220c.Use this information to form an equation and solve it. This
1. 1 answer
2. 363 views
Jen and Heather went to lunch. When the bill came, Jen discovered that she only had $8. Luckily, Heather had enough money to pay
1. 1 answer
2. 523 views
If 4.83 mL of an unknown gas effuses through a hole in a plate in the same time it takes 9.23 mL of argon, Ar, to effuse through
1. 1 answer
2. 958 views
A sample of natural gas is 85.2% methane, CH4, and 14.8% ethane, C2H6, by mass. What is the density of this gas mixture at
1. 2 answers
2. 1,896 views
what is the answer of 7h+2w-9h-8w
1. 1 answer
2. 262 views
A student wants to display the average monthly temperatre for one year.He chooses a line graph to display the data.Describe and
1. 0 answers
2. 656 views
Which sample is more likely to be biased? Should big bend state park restrict the number of campers allowed on the grounds? a.70
1. 1 answer
2. 515 views
Should the city build a homeless shelter downtown?Which sample is more likely to be biased? a.60 randomly selected downtown
1. 1 answer
2. 486 views
Based on the survey,the librarian predicts that about two-thirds of the students in seventh grade will not like the new
1. 2 answers
2. 952 views
What is the complete chemical equation?Al(s) + Cu(CH3COO)2(aq) -> ?
1. 1 answer
2. 831 views
Use the expressions for left and right sums and the table below.right-hand sum = summation (n above and i =1 on the bottom)
1. 2 answers
2. 1,430 views
Use the expressions for left and right sums and the table below.right-hand sum = summation (n above and i =1 on the bottom)
1. 0 answers
2. 1,145 views
What is the magnitude of the energy change associated with the emission of one mole of photons of light* with this wavelength?li
1. 1 answer
2. 1,840 views
Determine the partial pressure of oxygen necessary to form an aqueous solution that is 7.7 x 10-4 M O2 at 25oC. The Henry's Law
1. 2 answers
2. 2,473 views
Find the product for the equation and then write a balanced equation.Cl2 + FeBr3 -> ?
1. 1 answer
2. 686 views
I need to convert a word problem that I was given into a balanced chemical equation and cannot figure out how i was type it. The
1. 1 answer
2. 506 views
In respect to covalent bonding, what does it mean if there's an unshared or lone pair of electrons?
1. 1 answer
2. 552 views
A circular hatch in the hull of a submarine has a radius of 40.0 cm. The submarine is 850.0 m under water. If atmospheric
1. 2 answers
2. 1,656 views
A gaseous mixture containing 5 moles of H2 and 7 moles of Br2 reacts to form HBr. Write a balanced chemical equation. Which
1. 0 answers
2. 911 views
essay "peace and stability in a globalized world"I need some help. Thanks
1. 1 answer
2. 1,049 views
How do I fing volume of a shape?
1. 1 answer
2. 419 views
I need to know what just means in the following Sentance .Do you think this is just Please help even my mom is blank Tx
1. 1 answer
2. 436 views
I'm blank on this questionFrom the verbs listed write a noun ending in ion Divide Explode. Collide Confess. Invade. Rotate
1. 1 answer
2. 404 views
I really hate nvr it's horrible. I'm English so we have to do this I don't know if any Americans do it but I still hate it. For
1. 3 answers
2. 957 views
What's range mean?
1. 5 answers
2. 546 views
For our homework we had to draw and label an imaginary creature, then write an essay on it .I'm completely stuck on the essay
1. 1 answer
2. 619 views
What word is wrong in this sentence ?Darren wusai and I is a good team. Please help I need this in in about six hours time!
1. 1 answer
2. 572 views
Really stuck on English homework.ahhhh!What is an antonym for the following words? Subtract Extend Spectator Least Confident
1. 3 answers
2. 469 views
I am a number with the same number of tens as ones. The sum of my digits is less than 5. Is am a number greater than 15. What
1. 1 answer
2. 369 views
fin derivative of the function(t+e^t)(4- sqrt t)
1. 1 answer
2. 650 views
differentiate the following funcation:R(t) = (t + e^t)(4- sqrt (t))
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2. 465 views
f(x)= (4x^2+5)/(3-2x) find derivative using limit
1. 1 answer
2. 401 views
given the function f(x) = { x^2+2 if X<=2, 3 if x=2 and 4-x if x>= 2-> graph f(x)
1. 1 answer
2. 378 views
how do you do 16n-9with the specials
1. 0 answers
2. 290 views
A projectile is launched beneath the straight line path it would follow if there was no gravity. How many metres does it fall
1. 1 answer
2. 994 views
Write the logarithm of a single quantity: 2ln(x)+ln(4)-(1/2)ln(9)
1. 1 answer
2. 717 views
Draw major product of substitution reaction of (2R,3S)2-bromo-3-methylpentane with CH3CH2O- nucleophile?
1. 1 answer
2. 1,611 views
I'm in 5th grade and I need a cool, unusual science fair project. I have 3 days to do this. It has to be a question with a
1. 3 answers
2. 611 views
How many socks would it take to fill the space shuttle
1. 1 answer
2. 751 views
21% of a population is homozygous dominant, 49% are heterozygous and 29% are homozygous recessive. if the Hardy-Weinberg Law
1. 1 answer
2. 573 views
How do you find the unit rate for this?The managerof Quality Dairy stores says it takes 1000 pounds of milk to make 100 pounds
1. 1 answer
2. 605 views
crate weighs 823 N rests on plank that makes a 25 degree angle with the ground. Find components of crate's weight parallel and
1. 0 answers
2. 626 views
1. -3/4*-(1 5/6)*(-7/4)=2. -3/4*(-1 5/6)*7/4= 3. -3/4*(-1 5/6)*(-7/4)*(-2 3/8)= 4. 3/4*(- 5/6)*7/4*(-2 3/8)= 5. 3/4*1
1. 1 answer
2. 287 views
Info Sean is buying a new DVD player for 315. the store offers him an interest-free payment plan that allows him to pay in
1. 0 answers
2. 447 views
what are the pros and cons of placing children of color in a causian home?
1. 0 answers
2. 457 views
consider the following reaction: Mg(s)+ 2HCl(aq) --> MgCl2 (aq)+H2 (g)What minimum amount of 1.75 M HCl is necessary to produce
1. 1 answer
2. 682 views
Quality Adjusted Life Years evaluates interventions in _____ rather than _____.a. dollars; years b. utility; dollars c. years;
1. 0 answers
2. 496 views
Ammonium carbonate decomposes upon heating according to the following balanced equation:(NH4)2CO3(s)-->2 NH3(g)+CO2(g)+H2O(g)
1. 1 answer
2. 1,210 views
Ammonium carbonate decomposes upon heating according to the following balanced equation:(NH4)2CO3(s)-->2 NH3(g)+CO2(g)+H2O(g)
1. 2 answers
2. 1,036 views
The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 C and a total
1. 3 answers
2. 3,606 views
(I did not get some answers correct on this categorizing fallacies assignment. It was graded but not with the correct answers.
1. 1 answer
2. 965 views
Why is it helpful for scientists to know how long animals can live?
1. 0 answers
2. 206 views
What is the importance of the tertiary structure of a tRNA?I know the structure, but I'm not sure what is the importance of it.
1. 1 answer
2. 497 views
2(x+5)/(x+5)(x-2) = 3(x-2)/(x-2)(x+5) + 10/(x+5)(x-2)I know I have to get 2(x+5) = 3(x-2) but I don't know the intermediate
1. 0 answers
2. 264 views
Four charged particles are at the corners of a square of side a, as shown in the figure below. (A = 4, B = 5, C = 5.)(a)
1. 1 answer
2. 1,414 views
A proton accelerates from rest in a uniform electric field of 620 N/C. At one later moment, its speed is 1.30 Mm/s
1. 1 answer
2. 1,594 views
I don't understand how to do this at all!! I've been Googling the past hour and I just don't get it. My teacher won't respond
1. 0 answers
2. 576 views
By what factor would you have to decrease the tension in a stretched string in order to decrease the wave speed by a factor of
1. 1 answer
2. 813 views
A particle executes simple harmonic motion with an amplitude of 9.00 cm. At what positions does its speed equal two thirds of
1. 1 answer
2. 1,308 views
A particle executes simple harmonic motion with an amplitude of 9.00 cm. At what positions does its speed equal two thirds of
1. 1 answer
2. 1,040 views
The water in a river flows uniformly at a constant speed of 2.53 m/s between parallel banks 69.8 m apart. You are to deliver a
1. 1 answer
2. 884 views
The water in a river flows uniformly at a constant speed of 2.53 m/s between parallel banks 69.8 m apart. You are to deliver a
1. 1 answer
2. 819 views
What's the difference between a marketing consortia and a hotel refferal system?
1. 1 answer
2. 467 views
A person walks first at a constant speed of 4.70 m/s along a straight line from point A to point B and then back along the line
1. 3 answers
2. 2,297 views
Assume it takes 6.00 minutes to fill a 45.0 gal gasoline tank. (1 U.S. gal = 231 in.3)I don't know how to solve for part C. (a)
1. 3 answers
2. 1,974 views
A surveyor measures the distance across a straight river by the following method. Starting directly across from a tree on the
1. 2 answers
2. 1,448 views
A "hand" consists of a set of 5 cards selected from an ordinary deck of 52 cards:(1) How many different hands contain exactly 4
1. 2 answers
2. 1,839 views
Three coins are selected from 10 coins: 4 dimes, 4 nickels, and 2 quarters.In how many possible ways can the selection be made
1. 2 answers
2. 1,133 views
Do you think Eliminating Negative Thinking is a controversial, supportable and sound topic for a research paper?
1. 1 answer
2. 465 views
Is this a good topic for a reserach paper? How to change your thinking? If not could you give some advice in this direction,
1. 10 answers
2. 460 views
Change your thinking(Title of my reseach paper)How do I plan to support my thesis with compelling arguments and
1. 3 answers
2. 1,469 views
I need to describe my spring break in Spanish day by day.I think she said present-tense, I copied this chart off the board. AR
1. 2 answers
2. 692 views
I need some help with the following problems. I got no idea how to do it...PLEASE HELP!!!!THANKS A LOT!!A hunter is standing on
1. 1 answer
2. 601 views
How can you tell a valid opinion from a bias opinion? I realize when they are obviously slanted, but what makes an opinion
1. 1 answer
2. 413 views
Was Venice, Italy always flooded by water? Was it made on-top of the ocean, or was it made, and later flooded?
1. 0 answers
2. 1,074 views
what are the major abiotic and biotic factors in a coniferous forest?
1. 1 answer
2. 459 views
How do you write equations for perpendicular lines?I will assume you know how to find the equation of a line if you know the
1. 0 answers
2. 572 views
Can anyone tell me how the basso continuo changed through the baroque to the classical period?Thank you for using the Jiskha
1. 0 answers
2. 526 views

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