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hannah

Questions and answers by visitors named hannah, page 2

Questions (468)

write a balanced equation for:Gaseous carbon dioxide and liquid water react to produce aqueous glucose (C6H12O6) and oxygen gas.
1. 5 answers
2. 1,150 views
Aluminum hydroxide and sulfuric acid neutralize to make water and aluminum sulfate.the first step i have done: Al(OH)3 + H2SO4
1. 2 answers
2. 793 views
i am divisible by 8 and9.i am a three digit multiple of 10. i am between 200 and 700.
1. 4 answers
2. 508 views
Balance the skeletal equation for the synthesis of urea. (Enter 0 for any empty boxes. Use the lowest possible coefficients.)_NH
1. 1 answer
2. 409 views
how do i know what the ions present are of this formula:Na3PO4 what are the anions and what are the cations? how do you know
1. 10 answers
2. 2,868 views
I need major help im not understanding this at all:Complete and balance each of the following equations for acid-base reactions.
1. 2 answers
2. 771 views
more it itthani what does that mean??? also: EVELATOR and: DENTURES E F
1. 3 answers
2. 3,262 views
balance the formulaCu(OH)2(s) + HNO3(aq) -> H2O(l) + fine the formula here(aq) i did the H20 but i don't know the other formula
1. 3 answers
2. 604 views
balance the equation:(i can balance the equation but the problem i have is finding the formula for the last partHC2H3O2(aq) +
1. 1 answer
2. 409 views
what is the drug classification of inhalants?
1. 1 answer
2. 346 views
I am having lots of trouble with these questions:Classify each of the following reactions in as many ways as possible. (Select
1. 5 answers
2. 724 views
Classify each of the following reactions in as many ways as possible. (Select all that apply.)CuO + 2 HCl --> CuCl2 + H2O you
1. 7 answers
2. 1,366 views
Ca(s) + 2 H2O(l) Ca(OH)2(aq) + H2(g)acid-base double-displacement gas evolution oxidation-reduction precipitation
1. 9 answers
2. 708 views
what is the definition of dauphin this huckleberry finn?I searched on the internet but there were so many i didn't know which
1. 4 answers
2. 543 views
in the book huckleberry finn manys words are used that mean something like "to beat someone" for example to lick.i need to find
1. 5 answers
2. 678 views
can you explain?For each of the reactions shown, calculate how many grams of the product form when 16.8 g of the reactant in
1. 1 answer
2. 518 views
how would you find the answer?A carbon nucleus has six protons and six neutrons. How many electrons would it take to equal the
1. 1 answer
2. 872 views
I need two examples where in the book Huckleberry finn. Huck doesn't believe in himself or he is having self doubt.does anyone
1. 1 answer
2. 743 views
when looking at a chemical equation what are the evidences that a chemical reaction has occured. Or what is the evidence that it
1. 1 answer
2. 342 views
2. Given the following equation, C2H5OH(l) + 3 O2(g)---> 2 CO2(g) + 3 H2O(l)How many liter of CO2 are expected in the combustion
1. 2 answers
2. 908 views
Calculate the number of liters of hydrogen, measured at STP, that can be produced from the reaction of 0.155 mol of aluminum
1. 7 answers
2. 505 views
Some sulfuric acid is spilled on a lab bench. It can be neutralized by sprinkling sodium bicarbonate on it and then mopping up
1. 7 answers
2. 3,997 views
For my english class i had to right a paper on civil war slang and how this topic releated to the book The Red Badge of Courage.
1. 5 answers
2. 604 views
ok. so this may be hard to explain and may not be enough info that you understand but ill try. I did a paper and my teacher
1. 3 answers
2. 1,222 views
what properties of carbon explain its ability to form many macromolecules?
1. 3 answers
2. 375 views
What is the frequency of radiation whose wavelength is 26.80 Angstrum ?at first i got 1.000e17 and it was wrong. now i only have
1. 1 answer
2. 468 views
Use the periodic table to write electron configurations for each of the following elements. (Type your answer using the format
1. 4 answers
2. 801 views
can you unscrample this word? its in french. "ratuere"
1. 1 answer
2. 283 views
whats the lcd of 8/9x+2/3x=1/9x+45
1. 1 answer
2. 313 views
For each of the following sets of atoms and ions, arrange the members in order of increasing size.Mg2+ F- and Na+
1. 3 answers
2. 689 views
I need an example of a health fraud item/ product. I need to find one product that has health fraud and that I can write 150
1. 4 answers
2. 508 views
Determine the electron and molecular geometries of each of the following molecules. For those with more than one central atom,
1. 3 answers
2. 1,065 views
if csc theta= -5/3 and theta has its terminal side in quadrant III, find the exact value of tan 2 theta.
1. 3 answers
2. 984 views
i need help on this question:Equal masses of gaseous N2 and Ar are placed in separate flasks of equal volume at the same
1. 2 answers
2. 1,026 views
An experiment shows that a 114 mL gas sample has a mass of 0.167 g at a pressure of 721 mm Hg and a temperature of 32°C. What
1. 1 answer
2. 421 views
A balloon holds 29.3 kg of helium. What is the volume of the balloon if the final pressure is 1.2 atm and the temperature is
1. 2 answers
2. 507 views
How many grams of magnesium oxide are formed when 13.5 L of oxygen gas, measured at STP, completely reacts with magnesium metal
1. 2 answers
2. 560 views
How many grams of magnesium oxide are formed when 13.5 L of oxygen gas, measured at STP, completely reacts with magnesium metal
1. 2 answers
2. 773 views
A 26.8 mL sample of an unknown HClO4 solution requires 46.8 mL of 0.101 M NaOH for complete neutralization. What was the
1. 2 answers
2. 1,024 views
calculate the freezing and boiling points of each of the following solutions.(a) 0.50 m glucose in ethanol for the freezing
1. 2 answers
2. 541 views
im studying for a test and i have no idea where to even start for this practice problem..??a 0.15M(molarity im assuming)solution
1. 2 answers
2. 556 views
calculate10^1.27 how do i do this?
1. 5 answers
2. 277 views
24x^2-22x+3
1. 3 answers
2. 900 views
magnesium hydroxide + hydrobromic acid -->is the formula for that Mg(OH)2(s) + HBr(aq) ->H2O(l) +BrOH(s) and are the physical
1. 4 answers
2. 5,210 views
what two major political groups make up the Caribbean countries
1. 1 answer
2. 334 views
how to solve2x+3y=17 3x+y=31 then 2(x-3y) y=3x-2 then the last one 2(x+4) x+y=17 please help
1. 1 answer
2. 307 views
so i posted a question very similar to this yesturdya but i have now have a more spesific question. do you guys know any poems
1. 2 answers
2. 1,050 views
the expiremental probability that ryan will have math homework on a given school day is 80%.on how many of the next30 school
1. 2 answers
2. 1,026 views
arson:crime rose:_________It must be 7 letters long.
1. 4 answers
2. 780 views
assume you are standing on a dock and watching the waves pass directly under where you are standing. You count the number of
1. 1 answer
2. 514 views
expand5(3w^2+4)
1. 3 answers
2. 342 views
5x10^2 divide by 7x10^4what is the answer in standard form
1. 3 answers
2. 1,048 views
What is the role of economic theory in the way economies are run today? I need some concrete examples.
1. 1 answer
2. 390 views
Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 C. At what temperature does benzene boil
1. 2 answers
2. 688 views
How much heat (in ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of
1. 2 answers
2. 1,086 views
How much heat (in ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of
1. 3 answers
2. 1,054 views
Strontium has density of 2.64 and crystallizes with the face-centered cubic unit cell. Find the radius of the strontium atom
1. 4 answers
2. 845 views
After you preform your experiment, you determine that the Kf value for naphthalene is 6.9 . You are using 10g of naphthalene and
1. 2 answers
2. 981 views
I need help on writing a book report on anastasia absolutely
1. 4 answers
2. 330 views
A movie theater seats 400 people. For any particular show, the amount of money the theater makes is a function m(n) of the
1. 3 answers
2. 966 views
what allows results to be verified to maintain credibility?
1. 7 answers
2. 314 views
A 4.62 x 10-5 kg raindrop falls vertically at constant speed under the influence of gravity and air resistance. After the drop
1. 2 answers
2. 553 views
A 0.730 kg particle has a speed of 3.00 m/s at point A and kinetic energy of 7.40 J at B. What is its speed at B? Answer in
1. 1 answer
2. 353 views
Amy threw a ball of mass m=0.79 kg horizontally with an initial velocity v=33.4 m/s from a height h=1.9 m. What is the kinetic
1. 1 answer
2. 312 views
It takes 5.50 J of work to stretch a spring 5.90 cm from its unstressed length. What is the spring constant k in N/m?
1. 1 answer
2. 365 views
It takes 9.10 J of work to stretch a spring 5.10 cm from its unstressed length. What is the spring constant k in N/m?
1. 1 answer
2. 440 views
A 0.05 kg toy is made up of a spring of constant 466 N/m. When you place the toy on the floor, the spring 5 cm and release it,
1. 1 answer
2. 478 views
A 0.05 kg toy is made up of a spring of constant 466 N/m. When you place the toy on the floor, the spring 5 cm and release it,
1. 1 answer
2. 468 views
A 0.07 kg toy is made up of a spring of constant 375 N/m. When you place the toy on the floor, the spring 7 cm and release it,
1. 1 answer
2. 414 views
i need help with variables and patterns algebra
1. 2 answers
2. 207 views
a store has a total of 108 full-time staff and part time staff. There are three times as many full-time staff as part time
1. 2 answers
2. 739 views
are we allowed to use calculators in sat 1 math?
1. 3 answers
2. 449 views
When were hunter gatherers around in america? why and when(a date or range would be great) did they settle down?
1. 1 answer
2. 444 views
If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El
1. 3 answers
2. 459 views
Where is pride and prejudice does mr. bennet confess that he married mrs. bennet because of her looks?a volume and chapter would
1. 1 answer
2. 437 views
how long does a teenager need to sleep at night??my teacher asked this question and if you get it right, you get 2 extra points
1. 3 answers
2. 423 views
how do u find the derivative of (csc x)^7 -cos 4x???
1. 5 answers
2. 322 views
How do you find the derivative of (6 csc x)/x?
1. 1 answer
2. 424 views
where in the book The Importance of Being Earnest does the author make fun of the victorian value of Social Responsibility?
1. 1 answer
2. 363 views
what offically started and ended WWI? and what made the us enter the war?
1. 2 answers
2. 993 views
how would i find the area of the parallelogram if the area of each right triangle region is 7 1/2 square inches
1. 1 answer
2. 442 views
I need a statistic of how many dogs and cats are currently in a foster home in the us. Does anyone know a website that has this
1. 1 answer
2. 419 views
What was Scott Joplin most known for duirng the 1920's? please do not just give me a url to a site with his biography because i
1. 1 answer
2. 381 views
Earths mass is 6 x 10^24kg and its radius is 6.38 x 10^6m(6380 km ). Use the inverse-square law to show that in space-shuttle
1. 2 answers
2. 743 views
the effects of mood and gender on proxemics
1. 1 answer
2. 275 views
"big and solid as twelve pounds of mashed potatoes in an eight-pound bag" is an example of what?
1. 1 answer
2. 343 views
what do you think were the 15 most important events in us history between the founding of jamestown(1600's) and the end of the
1. 2 answers
2. 619 views
What is the molarity if 750. mL of a solution containing 332.5g of copper (II) sulfate
1. 3 answers
2. 371 views
What is the diference between formal and technical language in speech?thanks
1. 2 answers
2. 756 views
Without knowing the context of of the poem, does this poem title stand out to you, get your attention, and sound good?He Makes
1. 3 answers
2. 483 views
for the following, mix the equal volumes of one solution from group I with one solution from group II to achieve the indicated
1. 1 answer
2. 768 views
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. A swimming polar bear climbs onto a piece of
1. 3 answers
2. 516 views
A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.50 x 105
1. 1 answer
2. 689 views
15 At a particular location and time, sunlight is measured on a 1 m2 solar collector with anintensity of 500.0 W. If the peak
1. 5 answers
2. 2,477 views
In black-and-white photography, a photon energy of about 4.00 x 10-19 J is needed to bringabout the changes in the silver
1. 4 answers
2. 1,301 views
a) What is the frequency of a photon of UV radiation ( = 2.00 x 10^-7 m)? (b) Calculate the energy of a photon of UV radiation.(
1. 1 answer
2. 868 views
A 520 Hz tuning fork produces a standing wave in a column of air in a closed tube. If the speed of sound is 340 m/s, what is the
1. 1 answer
2. 424 views
discuss spatial and temporal summation
1. 1 answer
2. 303 views
is insomnia the same thing as sleep deprivation. im pretty sure they are different but i just wanted to check. also what in the
1. 2 answers
2. 933 views
Calculate the power of a device that requires 1.98 mA at 25.5 V.I know how to do the problem. i am just confused on how to
1. 1 answer
2. 369 views

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