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Trying to figure this out and can't:The elevation of a streambed is surveyed near a bridge to be 2,367m. At another bridge
1. 0 answers
2. 377 views
I need some help. I have tried working this problem and can't get it.What is the mass of the Sun, in kilograms, based on the
1. 1 answer
2. 436 views
I need some help. I have tried working this problem and can't get it.A class is building a scale model of the planets based on
1. 1 answer
2. 594 views
I need some help. I have tried working this problem and can't get it.A scale model of the solar system is being constructed
1. 1 answer
2. 635 views
I balancedLi(s) + Cl2(g)= LiCl(s) to 2Li(s) + Cl2(g)= 2LiCl(s) Now the question is, if you have 39.8g Li, how many moles of LiCl
1. 2 answers
2. 965 views
If the light of a monochromatic source has a photon energy of 4.32 x 10-19 J, what is its wavelength in nm?
1. 1 answer
2. 436 views
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
1. 1 answer
2. 1,712 views
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
1. 2 answers
2. 828 views
What is the speed of a photon of red light, if its frequency is 4.3 x 1014 Hz?
1. 0 answers
2. 485 views
What is the energy per photon of a light source if it has a wavelength of 460 nm?
1. 1 answer
2. 989 views
How many photons of sunlight are striking a 1 square meter surface per second, if it is receiving 600 watts of power?
1. 0 answers
2. 427 views
What multiplication fact can be found by using the arrays for 2 x 9 and 5 x 9?
1. 2 answers
2. 493 views
Y+3/2Y-5=6/7
1. 0 answers
2. 221 views
Last year Delta airlines purchased and stored 1 million gallons of aviation fuel at a time when aviation fuel was selling for
1. 1 answer
2. 508 views
a car enters 15 miles north of a city. it travels due north at an average speed of 62.5 miles per hour. write an equation to
1. 1 answer
2. 649 views
Six hundred pennies are placed in a row. If every other penny is replaced by a nickel and every third coin is replaced by a
1. 1 answer
2. 1,081 views
is this primary source ?The Black Death A Description of the Plague This first account is from Messina, and it described the
1. 5 answers
2. 1,283 views
if two lightning bolts hit exactly the same place, act exactly the same time in one frame of reference, is it possible that
1. 1 answer
2. 970 views
if you walk for 46 minutes at a speed of0.91 meters per second, how far will you have traveled? convert to km
1. 1 answer
2. 414 views
The Mongols have a terrible reputation in history as pillagers who destroyed all that met their path. How does this depiction of
1. 3 answers
2. 1,023 views
Why did legalist, artist on legalist rule rule, confucian's, and mauryan's might have held such different views about
1. 1 answer
2. 384 views
Write a series of five journal entries from the point of view of a member of a tribe that has been conquered by the Incas. Make
1. 6 answers
2. 628 views
What is it about Greco-Roman culture that creates positive feelings in people?
1. 1 answer
2. 468 views
What is it about Greco-Roman culture that creates positive feelings in people???
1. 1 answer
2. 1,072 views
What is it about Greco-Roman culture that creates positive feelings in people?
1. 0 answers
2. 467 views
Why do modern people glorify the ancient world??
1. 3 answers
2. 527 views
What exactly is this assignment asking me to do? lol i don't get the "dig" part. i actually don't understand anything.----------
1. 4 answers
2. 684 views
The wilmot proviso was a bill that would ban slavery in territories gotten after the war with mexico - True or false? True?
1. 1 answer
2. 792 views
what were the features of the compromise of 1860? i cant seem to find the answer anywhere
1. 1 answer
2. 584 views
My assignment:Imagine that Sita, Mahavira, Siddhartha Gautama, Confucius, and Laozi were all invited to dinner at the home of
1. 2 answers
2. 600 views
Hi! Can anyone help me with this assignment...?Using the primary source documents and information from your chapter, form a
1. 6 answers
2. 725 views
Hi! I've been having trouble doing my world history assignment.. if anyone can help; here are the instructions..This assignment
1. 6 answers
2. 710 views
prove as an identity1/1+sin(x) + 1/1-sin(x)
1. 3 answers
2. 376 views
I am to list at least 5 of the events or major concepts found in each of the 3 historic periods of personality psychology.
1. 1 answer
2. 1,257 views
1. _______ (on sundays), mes parents _______(aller) musee.2. _______ (on Fridays) , ma mere _______ (aller) Banque
1. 4 answers
2. 724 views
in need of help..;(.my question isfind the vertex..y=x(x+7)
1. 0 answers
2. 287 views
Two sides of a triangle measure 4 inches and 9 inches. Determine which cannot be the perimeter of the triangle. A.19 inches,
1. 0 answers
2. 703 views
diffence between dipole interactions and vanderwaal forces
1. 0 answers
2. 361 views
what is log0.033-log(3.3*10^-2)
1. 1 answer
2. 475 views
trink Sie(is it correct)
1. 3 answers
2. 421 views
log10(1.4 x 10-5)
1. 2 answers
2. 394 views
how to solve log10(1.4 x 10-5)
1. 1 answer
2. 684 views
From 3, 7, 9, 11, 14, 19, 23, 28, 30, 35; which has ones digit 4 times greater than its tens digit?
1. 1 answer
2. 327 views
In a visit to the nation's capital, a foreign head of state travels from (−3.0, −4.0) km to (4.0, 7.0) km. She then travels
1. 1 answer
2. 486 views
what were the reasons our forefathers divided the government into three branches?
1. 1 answer
2. 420 views
4(x+3)-2(2)=1.5x+25.5
1. 2 answers
2. 311 views
a rock on earth has a mass of 250kg.what is its mass and weight on the moon?
1. 2 answers
2. 1,276 views
A two-tailed hypothesis test at the 5 percent level of significance (£\ = .05) is exactly equivalent to asking whether the 95
1. 1 answer
2. 873 views
what is R^0 R^8 equal
1. 1 answer
2. 372 views
- radical 2 belongs to which groupsirration , real,rational
1. 1 answer
2. 357 views
how many square cards of side 5cm can you cut from a rectangular sheet of paper of length 200cm and width 10cm?
1. 1 answer
2. 688 views
7/13 divided by 3/4
1. 1 answer
2. 427 views
how do i evaluate using formulas? i did almost the entire thing, but i can't finish the problem because i don't know how to
1. 1 answer
2. 498 views
A bag of sugar weighs 6.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is
1. 1 answer
2. 2,333 views
A football punter accelerates a football from rest to a speed of 8 m/s during the time in which his toe is in contact with the
1. 2 answers
2. 611 views
i really need to know about gases if anyone's got any ifo please tell me!! Tar mel xx
1. 3 answers
2. 209 views
A tennis player standing 11.0 m from the net hits the ball at 3.34° above the horizontal. To clear the net, the ball must rise
1. 0 answers
2. 461 views
A fireman 46.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 30.0°
1. 1 answer
2. 831 views
A brick is thrown upward from the top of a building at an angle of 10° to the horizontal and with an initial speed of 11 m/s.
1. 0 answers
2. 639 views
a person accused of a crime does not have the right toa speedy trial] b a presidential pardon] c the assistance of counsel for
1. 1 answer
2. 510 views
a ramp is 0.5m high and has a slope of 4m long.what is the mechanical advantage?
1. 4 answers
2. 1,144 views
what is the primary focus of the nonintervention perspective
1. 1 answer
2. 537 views
2cr(s) + SnCL4(aq) -->can this reaction occur if so write the balanced equation if it doesnt explain why
1. 2 answers
2. 2,620 views
water vapor and nitrogen dioxide gas NO2 are cimbined to manufacture ammonia. a by product of this reaction is oxygen gas. write
1. 1 answer
2. 1,143 views
notation for subsequesnt multiple authors in a citation
1. 0 answers
2. 650 views
caculate the number of moles in 8200 g of iron
1. 5 answers
2. 1,276 views
can you give me sites that are all about aquaphobiai can't find any good ones
1. 3 answers
2. 415 views
where can i find free SAT problems and ACT problems
1. 0 answers
2. 512 views
whats a sentence using periodically
1. 1 answer
2. 365 views
can you give me a good sentence using the word biologyand biography
1. 7 answers
2. 613 views
Charlie wants to buy a $900 TV in 9 months. How much should he invest now at 17% simple interest to have the money in 9 months?
1. 1 answer
2. 595 views
what are two higher level words for the root word: BIO
1. 0 answers
2. 497 views
give the etymology of the root word : BIO and where it is derived from and the definition
1. 3 answers
2. 1,564 views
what would cause scientists t change the current model of an atom
1. 2 answers
2. 490 views
"most men lead lives of silent "what does that quotes mean to you write 5-7 sentences
1. 6 answers
2. 553 views
Naclwhat is the metal ion formuala and non metal formula
1. 1 answer
2. 521 views
what is the metal ion formula forBaCL2 (times) 2H2O
1. 2 answers
2. 577 views
what does the approach hypothesis driven science usually start with?
1. 1 answer
2. 388 views
why is farming so important?
1. 1 answer
2. 316 views
water depletion in the netherlands
1. 1 answer
2. 425 views
Delta airline flights seats 340 people. An average of 5% of the people with reservations doesnt show up, so they overbook by
1. 2 answers
2. 700 views
what is 1+1 equal
1. 2 answers
2. 495 views
a man weighiing 7-kg lies in a hammock whose ropes make angles of 20 and 25 degrees with the horizontal. What is the tension in
1. 3 answers
2. 1,137 views
find the resultant of each pair of forces acting on an objecta) forces of 7N east and 12N west b) forces of 7N east and 12N
1. 2 answers
2. 688 views
the points a, b, c, d, e, f, g are equally spaced along a line. Name a vestor which is equal to 3BD
1. 0 answers
2. 586 views
Find an equation with the given form in each case below.y=sinè through(ð/2, 0)
1. 3 answers
2. 381 views
Simplify (x+1)(x2+x-1) that should be x squared. the superscript didn't carry over.
1. 2 answers
2. 469 views
Using data from this chapter, calculate the change in energy expected for each of the following processesRb(g) + Br(g) Rb+(g) +
1. 1 answer
2. 806 views
what is the energy of a mole of UV photons having a wavelength of 13nm?
1. 1 answer
2. 486 views
calculate the max wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by
1. 1 answer
2. 2,830 views
calculate the change in energy expected for each of the following processes1. Rb(g) + Br(g) --> Rb+ (g) + Br- (g) 2. Mg(g) +
1. 1 answer
2. 1,260 views
answer the following questions assuming that m (subscript s) could have three values rather than two and the rules for n, l and
1. 1 answer
2. 944 views
Consider the following cyclic process carried out in two steps on a gas.Step 1: 48 J of heat is added to the gas, and 20. J of
1. 1 answer
2. 837 views
Consider the following reaction.2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) H = -118 kJ Calculate the heat when 112.4 mL of
1. 2 answers
2. 904 views
You are given the following data.P4(s) + 6 Cl2(g) 4 PCl3(g) H = -1225.6 kJ P4(s) + 5 O2(g) P4O10(s) H = -2967.3 kJ PCl3(g) +
1. 6 answers
2. 3,777 views
2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l)H = -118 kJ Calculate the heat when 112.4 mL of 0.500 M HCl is mixed with 300.0 mL
1. 9 answers
2. 1,264 views
Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon and hydrogen are combusted,
1. 1 answer
2. 3,549 views
A balloon filled with 22.3 mol helium has a volume of 500. L at 0.0°C and 1.00 atm pressure. The temperature of the balloon is
1. 2 answers
2. 1,030 views
2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g)(a) Calculate H° for this reaction. kJ
1. 2 answers
2. 1,568 views
On Easter Sunday, April 23, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized
1. 1 answer
2. 2,347 views

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