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Questions Asked on September 28, 2014

What is the mass of 3.01 x 10^22 iron (II) ions, Fe^2+?
1. 2 answers
2. asked by Syndra
3. 3,615 views
1) Round 578.683 m, 47.3333 kg, and 789.5 cm to four significant figures.2) Find the weight of a 12.25 kg dog. Round your answer
1. 5 answers
2. asked by Andra
3. 3,676 views
1. A percentile rank represents the percentage of people who scored at or below the test score.True False 2. People who have
1. 20 answers
2. asked by Anonymous
3. 8,872 views
The molar crosslink density of a rubber is measured to be 468mol/m3 for a temperature T=300K.What is the Young's modulus of the
1. 2 answers
2. asked by qwerty
3. 2,426 views
Which reaction of ammonia does not involve the non-bonding pair of electrons on the nitrogen atom?A NH3(g) + CH3I(g) → CH3NH
1. 2 answers
2. asked by Ariana
3. 3,715 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. 1 answer
2. asked by J
3. 1,519 views
what does this quote mean "we're not the bogeyman we're made out to be" and what topic of fear can this be related to?
1. 13 answers
2. asked by lisa
3. 523 views
the manager of a football team works for 310 days per year. of this he spends 42 days looking at new player he might buy. what
1. 2 answers
2. asked by Anonymous
3. 566 views
2. The half-life of a radioactive element is important when considering its application in medicine. For example, iodine-131 is
1. 1 answer
2. asked by Mickey
3. 972 views
A small island is 2 km off shore in a large lake .A woman on the island can row her boat 10 km/hr and can run at a speed of 20
1. 2 answers
2. asked by Mike
3. 2,438 views
we will do a project on this topic ;HPLC with fluorescence detection to quantify the amounts of various preservatives in several
1. 1 answer
2. asked by Cani
3. 334 views
What happens to the cash flow statement for a company operating on a calendar year when a sale is made in December but the firm
1. 0 answers
2. asked by Chloe
3. 361 views
Two circles which are not congruent touch externally. the sum of their area is 130¦Ðcm.square and distance between their
1. 1 answer
2. asked by Rohit
3. 819 views
Balance following oxidation reduction reactions using oxidation states method?a) Cl2(g) + Al(s) --> Al3+(aq) + Cl- b.) O2(g) +
1. 1 answer
2. asked by mathew
3. 4,233 views
When a cake is removed from an oven its temperature is measured at 300 degree F. Three minutes later its temperature is 200
1. 1 answer
2. asked by Armand
3. 4,697 views
Kate wants to buy a new bicycle from a sporting goods store. The bicycle she wants normally sells for $360. The store has a sale
1. 20 answers
2. asked by Ms. Stephie
3. 2,696 views
To find the product 3/7 multiplied by 4/9, Cameron simplified 3/7 to 1/7 and then multiplied the fractions 1/7 and 4/9 to find
1. 2 answers
2. asked by Ms. Stephie
3. 1,694 views
A robot probe drops a camera off the rim of a 230 m high eliff on Mars where the free fall acceleration is 3.7 m/s^2. Find the
1. 1 answer
2. asked by belida
3. 405 views
who do members of the Jesuit Volunteer Corps work for?I need help,been stuck on this question for,like,15 minutes,I've been
1. 3 answers
2. asked by sierra
3. 501 views
According to 2010 UCR data, Oakland, CA has a murder rate of 22.0 (per 100,000) in 6th place, Washington, DC has a murder rate
1. 1 answer
2. asked by tavia
3. 1,005 views
The hemoglobin content of blood is about 15.4g/100mL blood. The molar mass of hemoglobin is about 64500 g/mol, and there are
1. 3 answers
2. asked by HN
3. 4,057 views
A small, single engine airplane is about to take off. The airplane becomes airborne, when its speed reaches 117.0 km/h. The
1. 2 answers
2. asked by Molly
3. 1,037 views
Two rocks are thrown simultaneously from the top of a very tall tower with identical speeds of v = 7.70 m/s, but in two
1. 1 answer
2. asked by Molly
3. 1,413 views
A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m =
1. 0 answers
2. asked by Jessica
3. 896 views
In the myth "When Grizzlies Walked Up Right" explain how the bears lived in relation to each other before and after the
1. 1 answer
2. asked by Kayla
3. 487 views
I keep getting the same answer but it is wrong. How do I work this?M is the midpoint of AB. The coordinates of A are (-4, -2)
1. 1 answer
2. asked by Sandra
3. 538 views
A scouting report states that Ben throws a ball 88 mph. Determine how fast Ben throws in feet per second
1. 1 answer
2. asked by Anonymous
3. 441 views
21.90 kJ/g x 0.1182 g = ?q = energy obtained by combusting salicylic acid.Then calculate the heat capacity of the calorimeter.
1. 1 answer
2. asked by korko
3. 610 views
heat lost by metal + heat gained by water = 0[mass metal x specific heat metal x (Tfinal-Tinitial)] + [mass water x specific
1. 1 answer
2. asked by korko
3. 564 views
A plane with a velocity of 111. 9 meters per second at a maximum rate of 6.8 m/s^2 the plane touches the runaway what's the
1. 0 answers
2. asked by Danielle
3. 360 views
1. Describe 2 methods of viral infection2. How can a virus be helpful to its host? I don't want sites because they don't help,
1. 3 answers
2. asked by Nicki
3. 615 views
A bullet is fired straight up from a gun with amuzzle velocity of 214 m/s. Neglecting air resistance, what will be its
1. 0 answers
2. asked by sam
3. 392 views
Use Hess's Law and a table of heats of formation to determine the enthalpy for the following reaction.3SO2(g) + 3H2O(g) +
1. 1 answer
2. asked by korko
3. 508 views
A gamma ray with 700KeV energy is Compton-Scattered from an electron. Find the energy of the photon scattered at 110 degrees,
1. 0 answers
2. asked by Sarah
3. 591 views
Brianna spent 1/6 of her money on a movie and $9 on dinner. If she had $16 left, how much money did she spend altogether?
1. 6 answers
2. asked by Shawn
3. 485 views
Use Hess's Law and a table of heats of formation to determine the enthalpy for the following reaction.3SO2(g) + 3H2O(g) +
1. 1 answer
2. asked by korko
3. 623 views
A meter stick weighs 200 grams and is supported at the center. Three masses of 100, 200, and 150 grams are placed respectively,
1. 1 answer
2. asked by Lily
3. 941 views
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a
1. 0 answers
2. asked by Wes
3. 754 views
A sample of unknown metal has a mass of 36.7 g. This metal was placed in boiling water at 96.0oC until the metal had reached the
1. 0 answers
2. asked by korko
3. 1,071 views
Carl needs to estimate the quotient 547÷92. Explain how Carl could use compatible numbers to make a reasonable estimate.
1. 2 answers
2. asked by Myra
3. 679 views
A robot probe drops a camera off the rim of a 429 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2.What
1. 1 answer
2. asked by Elizabeth
3. 574 views
Critical Reading Identify the letter of the choice that best completes the statement or answers the question.The excerpt from
1. 0 answers
2. asked by Anonymous
3. 615 views
A ball is thrown horizontally at 15 m/s from a clifftop 60 m above the sea level. Find:a) the time to land; b) the angle at
1. 0 answers
2. asked by Vivian
3. 632 views
The density of an alloy is 5000 kg/m3. What is the density in g/cm3?
1. 3 answers
2. asked by Anonymous
3. 982 views
how many moles of oxygen are there in 50.0 grams of KClO3?Given: 50.0 g KClO3 Find: ? mol O K= 39.10 g/mol Cl= 35.45 g/mol O=
1. 1 answer
2. asked by J.R.
3. 2,148 views
I need to create a diagram of hell similar to Dantes Inferno. What punishments would teach the following sins a lesson:Liars
1. 2 answers
2. asked by Jane
3. 401 views
if all the numbers from 1 to 2013 are written down how many of these will have two or more zeroes next to each other
1. 0 answers
2. asked by Pen
3. 354 views
If He(g) has an average kinetic energy of 7590 J/mol under certain conditions, what is the root mean square speed of F2(g)
1. 0 answers
2. asked by B
3. 868 views
Help PleaseFind (fog)(2) and (f+g)(2) when f(x)= 1/x and g(x)=4x+9
1. 0 answers
2. asked by Anonymous
3. 608 views
jocelyn got 19 correct answers out of 25 questions on her last test. What percent of the questions did she answer correctly?
1. 2 answers
2. asked by john
3. 693 views
A .7178 g sample of a hydrocarbon occupies a volume of 390.7 mL at 65C and 99.2kpa. When the sample is burned in excess oxygen,
1. 3 answers
2. asked by Lisa
3. 1,271 views
I need to turn this into a really good thesis statement . In the myth " When Grizzlies walked Upright" explain how the bears
1. 1 answer
2. asked by Stephanie
3. 580 views
What is a preterite? I am very confused on this. Is a preterite something that describes past events?For example, When I was
1. 1 answer
2. asked by Student
3. 557 views
A rectangular garden has an area if12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients
1. 1 answer
2. asked by Maya
3. 604 views
A bullet is fired straight up from a gun with amuzzle velocity of 312 m/s. Neglecting air resistance, what will be its
1. 0 answers
2. asked by Elizabeth
3. 530 views
i don't know what to start.Given a number espilon >0, prove there exists a natural number x such that 1/x <espilion
1. 1 answer
2. asked by victoria
3. 360 views
I need to find the unit normal vector given:r(t)= ti + (6/t) j where t= 3 I know I need to find the unit tangent vector first,
1. 0 answers
2. asked by Dia
3. 718 views
What does in relation to something mean? Can you give me an example?
1. 1 answer
2. asked by Anonymous
3. 375 views
you need to access the registry on your windows 7 computer.how do you do this?
1. 0 answers
2. asked by Anonymous
3. 495 views
A football is kicked off with an initial speed of 65 ft/s at a projection angle of 45 degrees. A receiver on the goal line 63 yd
1. 0 answers
2. asked by jon
3. 684 views
Point C is in the interior of angle ABD. The measure of angle ABD is 40 degrees. The measure of angle DBC is 3x-5. If angle ABC
1. 3 answers
2. asked by David
3. 2,536 views
Which of the follow comparisons would be an inaccurate analogy between prokaryotic cells and eukaryotic cells?A - A eukaryotic
1. 1 answer
2. asked by Sue
3. 908 views
A grasshopper jumps a horizontal distance of 1m from rest, with an initial velocity at a 45 degree angle with respect to the
1. 3 answers
2. asked by zara
3. 9,476 views
What mass of ammonium nitrate is require to produce 145L of N2O at 2850 torr and 42 degree celcius
1. 1 answer
2. asked by Paula
3. 1,425 views
A ball is thrown horizontally at 15 m/s from a clifftop 60 m above the sea level. Find:a) the time to land; b) the angle at
1. 1 answer
2. asked by Sophie
3. 478 views
1. what is the story behind the creation of the Proguoio confecteracy2. how the early American history democracy was influenced
1. 1 answer
2. asked by Daphney
3. 465 views
1.If an arrow is shot upward on the moon with a velocity of 50 m/s its height (in meters) after t seconds is given by H = 50t -
1. 1 answer
2. asked by Rachel
3. 2,610 views
At the movie theatre, child admission is$5.30 and adult admission is $8.70 . On Friday, 155 tickets were sold for a total sales
1. 1 answer
2. asked by colt
3. 4,135 views
There are two brothers, Joe and Marc who both like candy. When Joe shops he always spends $10 on candy When Marc shops he always
1. 0 answers
2. asked by Emily
3. 450 views
You and your friend are on the roof of a 20 m tall building investigating a free fall. Your friend releases a small rock from
1. 1 answer
2. asked by Jane
3. 651 views
4. To become a successful observer of young children, which of the following techniques is most effective?A. Smile or nod to a
1. 1 answer
2. asked by daysi
3. 782 views
Car a starts from rest and speeds up with constant accelleration until it reaches its max speed. Car b starts from rest, at the
1. 1 answer
2. asked by Jackk
3. 831 views
A ball is launched horizontally at 5 m/s from the top of a 45 m tall building. A man stands at rest 6 m from the base of the
1. 1 answer
2. asked by Natalie
3. 716 views
Please check & correct my mistakes:In English: One day sarah went shopping. Then she walked to her house Unfortunately it
1. 4 answers
2. asked by Nikki
3. 866 views
If the earth was made 4.5 billion years ago, how comes we don't have any craters or rocks from that time?
1. 1 answer
2. asked by Saige
3. 414 views
How many inversions does a six-bar linkage have?
1. 0 answers
2. asked by Anonymous
3. 332 views
Solve. 3/2 x - 4 = 16x = 20 x = 13 1/3 x = 15 1/3 30 i got x = 16 and in decimal form 13.333 and even others! I'm going for 13
1. 2 answers
2. asked by SkatingDJ
3. 414 views
Where did farming first develop?F.Southwest Asia G.southeastern Europe H.India I.China I think it is g but not sure. Is that
1. 6 answers
2. asked by Eden S.
3. 786 views
A ball is thrown at 41° below the horizontal from a rooftop of height 65 m. It lands 2 s later. Find: Find:a) its initial speed
1. 0 answers
2. asked by Vivian
3. 520 views
Use half-cells to balance the following redox reaction, and label the oxidation and reduction half-reactions.Also, note that
1. 3 answers
2. asked by Feather
3. 765 views
Then, determine the final volume needed to dilute 20.0 ml of 1.00 M NaOH to 0.25 M. Next, find the volume of water which needs
1. 1 answer
2. asked by Feather
3. 443 views
A freight train has a mass of 1.3 x10^7 kg. if the locomotive can exert a constant pull of 5.4x10^5 N, how long would it take to
1. 0 answers
2. asked by Karlee
3. 444 views
A rectangular garden has an area if12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients
1. 1 answer
2. asked by Maya
3. 682 views
A cylinder has a circumference of 16pi inches and its height is half the radius of the cylinder? What is the total surface area
1. 2 answers
2. asked by taylor
3. 2,036 views
The flask shown here contains 10.0 ml of HCl and a few drops of phenolphthalein indicator. The buret contains 30ml of 0.130M
1. 1 answer
2. asked by Andrew
3. 1,244 views
A scientist observing a group of spider monkeys noticed that the adult females often spend time picking leaves off of tree
1. 3 answers
2. asked by Skye
3. 781 views
a tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.0m/s. the car is d distance
1. 0 answers
2. asked by beatrice
3. 591 views
Give an example of an open equationa + b = c + d How can you use an equation to make a prediction from a pattern? (i don't know)
1. 1 answer
2. asked by SkatingDJ
3. 1,408 views
Question: a garden snail moves 1/6 foot in 1/3 hour.This is unit rates. Please help, I don't get this lesson!
1. 10 answers
2. asked by Nina
3. 1,742 views
A door frame that appears rectangular has height 80 in., width 32 in., and one diagonal that measures 86in. Is the door frame
1. 2 answers
2. asked by Mack
3. 927 views
A robot probe drops a camera off the rim of a 457 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. find the
1. 0 answers
2. asked by Mueller
3. 463 views
Question: Kenny reads 5/8 page in 2/3 minutes.This is unit rates. Please help!
1. 8 answers
2. asked by Nina
3. 3,341 views
Was the period of the Renaissance and Scientific Revolution all about "the shock of the new" or was it more about the "recapture
1. 2 answers
2. asked by man jfo
3. 424 views
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a
1. 0 answers
2. asked by Wes
3. 762 views
Drawing a spade form a regular deck of playing cards and then drawing another spade from the same deck without replacing the
1. 1 answer
2. asked by Anonymous
3. 514 views
An electron in an atom has a speed of 2.2 × 10^6 m/s and orbits the nucleus at a distance of 5 × 10^-11m.a)What is its
1. 0 answers
2. asked by Vivian
3. 571 views
Two woodworkers, Tom and Carlos, bring in $100 for making a table and $80 for making a chair. On average, Tom must work 3 hours
1. 1 answer
2. asked by Amy
3. 1,982 views
A diagonal of a cube is a line segment of maximum length whose endpoints are vertices of the cube. To the nearest degree, what
1. 1 answer
2. asked by Kat
3. 670 views
Question: a fertilizer covers 5/8 square foot in 1/4 hour.This is the last unit rates question. Please explain how you got the
1. 6 answers
2. asked by Nina
3. 854 views
A rocket blasts off from rest and attains a speed of 59.4 m/s in 14.1 s. An astronaut has a mass of 66.7 kg. What is the
1. 0 answers
2. asked by S
3. 541 views

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