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Questions Asked on September 25, 2011

How many moles of gold atoms do 3.45 x 10^24 gold atoms constitute.This is what I did 3.45 x 10^24 x 1 / 6.022 x 10^23 = 573 am
1. 2 answers
2. asked by Monique
3. 8,154 views
The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to span a distance of 4.33 mm?
1. 1 answer
2. asked by savannah
3. 5,336 views
Write a balanced chemical equation for the reaction that occurs when Mg(s)reacts with Cl2(g).Express your answer as a balanced
1. 4 answers
2. asked by Anonymous
3. 4,749 views
Write the balanced, complete, and net ionic equations for each precipitation reaction.1) AgNO_3 + CoCl_2 ---> BE: AgNO_3(aq) +
1. 2 answers
2. asked by Hannah
3. 4,466 views
a pole 27ft long is carried horizontally along a corridor 8ft wide and into a second corridor at right angles to the first. how
1. 1 answer
2. asked by kait
3. 4,448 views
mary has y m of cloth.she used 2 m to sew a skirt.she used the remaining cloth to make 5 jackets.(a) find the amount of material
1. 4 answers
2. asked by kimi
3. 4,132 views
Martin drew a pair of perpendicular lines and a pair of parallel lines.Which of these statements best compares the pairs of
1. 2 answers
2. asked by Sam
3. 3,680 views
a projectile is fired from the surface of the earth with a speed of 200 m/s at an angle of 30 degrees above the horizontal. If
1. 4 answers
2. asked by Anonymous
3. 3,390 views
At the surface of Mars, the acceleration due to gravity is 3.72 m/s^2. A watermelon has a mass of 4.5 kg here on Earth. a) What
1. 1 answer
2. asked by Apple
3. 3,215 views
A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the
1. 1 answer
2. asked by Katie
3. 2,794 views
a magazine costs half as much as a book.The book costs $p.A pen costs $2 more than the magazine.(a) how much is the pen in terms
1. 4 answers
2. asked by kimi
3. 2,751 views
a builder intends to construct a storage shed having a volume of 900ft^3, a flat roof and a rectangular base whose width is
1. 1 answer
2. asked by kait
3. 2,601 views
A slice of thickness 1 cm is cut off from one side of a cube. If the volume of the remaining figure is 180 cubic centimeter, how
1. 1 answer
2. asked by Ruth Joy
3. 2,597 views
A car is parked near a cliﬀ overlooking theocean on an incline that makes an angle of 21.7◦ with the horizontal. The
1. 1 answer
2. asked by Prady Manepalli
3. 2,492 views
what volume of 0.1 moldm-3 HCL acid would be required to dissolve 2.3 grams of calcium carbonateequation
1. 2 answers
2. asked by aisha
3. 2,447 views
What volume of each of the following bases will react completely with 21.00 mL of 0.500 M HCl?(a) 0.100 M NaOH (b) 0.0500 M
1. 1 answer
2. asked by Rahul
3. 2,442 views
All the following are effective techniques for a kinesthetic learner EXCEPT:A.Study while participating in a physical activity.
1. 10 answers
2. asked by Ciara
3. 2,349 views
a purse contains 26 coins, some of which are dimes and the rest are nickels. Altogether, the coins are worth more than $2.10. At
1. 3 answers
2. asked by dan
3. 2,276 views
a cyclist rides a bicycle at an average speed 24 miles per hour. If she wants to bike 195km, how long (in hours) must she ride.
1. 4 answers
2. asked by Anonymous
3. 2,137 views
Find the volume of the solid obtained by rotating the region under the graph f(x) = x2 - 3x about the x-axis over the interval
1. 1 answer
2. asked by Becca
3. 2,127 views
Write the balanced molecular, complete ionic, and net ionic equations for the reactions that occur when the following are mixed.
1. 1 answer
2. asked by Rahul
3. 2,098 views
Charlene is looking into cell phone plans.Cell plus gives unlimited minutes for $50/month.A1 Cell offers a $40 monthly fee, plus
1. 3 answers
2. asked by Ana
3. 1,933 views
Write the balanced molecular, complete ionic, and net ionic equations for each of the following acid-base reactions. (Type your
1. 2 answers
2. asked by Rahul
3. 1,868 views
In a group of 40 students, all students study maths, 28 study biology and math, 20 students study geography and maths and x
1. 2 answers
2. asked by Shian
3. 1,830 views
I'm finding it difficult to turn sentences (or better speech acts) into indirect speech. Can you please check my sentences (for
1. 2 answers
2. asked by Henry2
3. 1,701 views
Matt scored 75 on the calculus midterm. If the final exam counts twice as much as the midterm exam, then for wht range of scores
1. 2 answers
2. asked by Ty
3. 1,683 views
a shopkeeper bought 16 boxes of pens.each box contained m pens.10 pens were sold on the first day.(a) how many pens were left
1. 4 answers
2. asked by kimi
3. 1,683 views
Jan Gentry is the owner of a small company that pro¬duces electric scissors used to cut fabric. The annual demand is for 9,000
1. 0 answers
2. asked by Deana
3. 1,660 views
identify which property is being illustrated.15.1=15 5.0=0 11.1/11=1 3+2=2+3 7+-7=0 -9.1=-9 6.1/6=1 -1+1=0 5.6=6.5
1. 2 answers
2. asked by Peace
3. 1,653 views
Lara wrote the statements shown in the chart.Statement One: If two lines intersect, then they intersect at exactly one point
1. 1 answer
2. asked by Sam
3. 1,589 views
100 students were asked whether they are taking psychology or biology. 61 were taking pyschology, 18 were taking both and 12
1. 3 answers
2. asked by Jerry
3. 1,545 views
For the reaction NO2(g) + NO(g) = N2O3(g)If at particular temperature, K was 575 and equilibrium concentration of N2O3(g) was
1. 3 answers
2. asked by Sara
3. 1,515 views
Six students from a statistic class reported the number of hours of television they watched per week. Here are their data:
1. 3 answers
2. asked by Tonnickie
3. 1,435 views
A cube measures 2 meters on each side.What is the volume of the cube?
1. 4 answers
2. asked by peter
3. 1,413 views
A model of a brdge is 1m long and 2.5% of the actual size of the bridge. How long is the actual bridge?
1. 2 answers
2. asked by Matt
3. 1,402 views
Two points in a plane have polar coordinates (2.40 m, 40.0°) and (3.50 m, 110.0°).(a) Determine the Cartesian coordinates of
1. 2 answers
2. asked by Anonymous
3. 1,392 views
What is the molecular formula of the following compound? Empirical formula C3H6O2 (M=74.08 g/mol)
1. 1 answer
2. asked by Help!
3. 1,390 views
"A woman borrows $6000 at 9% compounded monthly, which is to be amortized over 3 years in equal monthly payments. For tax
1. 1 answer
2. asked by Norah
3. 1,381 views
two mice are racing to a hunk of cheese.mouse a was between mouse b and the cheese.mouse a started 8.68 meters from mouse b, but
1. 0 answers
2. asked by sana
3. 1,370 views
a woman 6ft tall walks away from a light 10ft above the ground. if her shadow lengthens at the rate of 2ft/sec. how fast is she
1. 1 answer
2. asked by kait
3. 1,352 views
If there are 24 students in a class, how many different-sized groups can be formed, and how many students will be in each group?
1. 2 answers
2. asked by Anonymous
3. 1,350 views
suppose that all the people of the earth went to the north pole and on a signal all jump straight up. estimate the recoil speed
1. 0 answers
2. asked by emily
3. 1,348 views
Here are other two speech acts I changed into indirect speech. I'm posting you them separately.Advising 1)“I think you
1. 0 answers
2. asked by Henry2
3. 1,345 views
You accidentally throw your car keys horizontally at 9.0 m/s from a cliff 72 m high. How far from the base of the cliff should
1. 2 answers
2. asked by Anonymous
3. 1,253 views
The position vector r of a particle moving in an xy plane is given by [r = (6t^3-3t)i + (4-1t^4)j] with r in meters and t in
1. 0 answers
2. asked by Kristin
3. 1,252 views
A rocket-driven sled running on a straight,level track has been used to study the physiological eﬀects of large accelerations
1. 1 answer
2. asked by Emily
3. 1,250 views
A mass M = 21.00 kg is suspended by a massless string from the ceiling of a van which is moving with constant acceleration a, as
1. 1 answer
2. asked by archi
3. 1,177 views
A linear charge of nonuniform density �E(x)=bx C/m, where b = 5.2 nC/m2, is distributed along the x-axis from 4.9 m to 6 m.Deter
1. 0 answers
2. asked by physics
3. 1,175 views
Thank you very much. Could you please check these sentence, too?1)"I'll buy you lunch", said Mark . Mark promised to buy me
1. 1 answer
2. asked by Henry2
3. 1,152 views
A 5.6 kg bag of groceries is in equilibrium onan incline of 32�. The acceleration of gravity is 9.81 m/s2 . What is the
1. 0 answers
2. asked by newtothis
3. 1,148 views
Humans rely most heavily on the sense of __________, because evolution designed us to be more active during the daytime than at
1. 3 answers
2. asked by john
3. 1,147 views
How do you correctly write the following in AP style?"Guilty Verdict. A jury found a Midville man guilty of Second-Degree
1. 1 answer
2. asked by Taycee
3. 1,138 views
In studing, reading, and listening , using the information you have learned in some way is important because:A. It helps you to
1. 2 answers
2. asked by Ciara
3. 1,135 views
During a lawnmower race, a rider starts from rest and accelerates at 1 m/s/s for 10 seconds. The rider then maintains a constant
1. 2 answers
2. asked by Karla
3. 1,134 views
Can you please tell me the roster form and set-builder notation for:N is the set of real numbers that are factors of 12
1. 6 answers
2. asked by Isabella
3. 1,120 views
considering the area of a circular ring as a increment of area of a circle, find approximately the area of a ring whose inner
1. 2 answers
2. asked by kait
3. 1,107 views
A concave mirror has a focal length of 37 cm.Determine the object position for which the resulting image is upright and four
1. 2 answers
2. asked by Leslie
3. 1,104 views
A city has a population of 30,000 people. Suppose that each year the population grows by 3.7% . What will the population be
1. 1 answer
2. asked by Brent
3. 1,094 views
Which of the following are positive results of using new study techniques ?A. Learning new materials will become easier. B. You
1. 7 answers
2. asked by Ciara
3. 1,088 views
I included other sentences I turned into indirect speech. Where can I find exercises on the use of indirect speech so that I
1. 1 answer
2. asked by Henry2
3. 1,081 views
The question is:Evaluate the improper integral for a>0. The integral is: the integral from 0 to infinity, of e^(-y/a)dy Can
1. 1 answer
2. asked by Sara
3. 1,081 views
give three examples of how humans effect geography.
1. 2 answers
2. asked by precious
3. 1,070 views
State whether the following are true or false.The square roots of 36 are + and - 6. I wrote down false for this cause I thought
1. 2 answers
2. asked by -Untamed-
3. 1,063 views
A charge of 10.104 nC is uniformly distributed along the x-axis from −1 m to 1 m.What is the electric potential (relative to
1. 2 answers
2. asked by Anonymous
3. 1,062 views
Due to a recession, expected inflation this year is only 2%. However, the inflation rate in Year 2 and thereafter is expected to
1. 0 answers
2. asked by SLW
3. 1,059 views
A boy pulls a sled with a force of 40 N on a rope 2.5 meters long. The end that he holds is 1.5 meters higher than the end
1. 1 answer
2. asked by Kathy
3. 1,036 views
Concentrated HCL acid is 38% by weight of HCL and has a density of 1.19 g/ml. What is the morality of HCL?
1. 2 answers
2. asked by Anonymous
3. 1,032 views
A car travels along a straight stretch of road. It proceeds for 15 mi at 51 mi/h, then 28.2 mi at 44 mi/h, and finally 36.4 mi
1. 1 answer
2. asked by anon
3. 1,031 views
I am in desperate need of some help with these questions?Can you identify which theory of life's origin is "true"? By what basis
1. 0 answers
2. asked by Keri Ann
3. 1,028 views
Analysis of a compound shows carbon hydrogen and nitrogen present. Each molecule contains one nitrogen atom. A 150. Mg sample of
1. 1 answer
2. asked by Lucy
3. 1,024 views
the mean of a set of test scores is 64. a new student takes the same test and scores 80 marks. when his score is added to the
1. 1 answer
2. asked by jasmine
3. 1,023 views
find the product or quotient. write the strategy you used, write model, break apart, multiplication table, inverse operations,
1. 2 answers
2. asked by william
3. 1,014 views
a parallelogramhas an area of 4yd squared the height is 1yd find the base
1. 2 answers
2. asked by margie
3. 994 views
A charge of +2 X 10^-7 C is 10 cm from a charge of -6 X 10^-6 C. Find the magnitude and direction of the force of each charge.Co
1. 1 answer
2. asked by Jackson (please help)
3. 991 views
A dart is thrown horizontally with an initial speed of 11 m/s toward point P, the bull's-eye on a dart board. It hits at point Q
1. 0 answers
2. asked by Brad
3. 990 views
hey i really need help in this plzzzzzEach of the following exercises shows the original source, and then a student’s sentence
1. 3 answers
2. asked by memo
3. 987 views
A linear charge of nonuniform density �lambda(x)=bx C/m, where b = 5.2 nC/m2, is distributed along the x-axis from 4.9 m to 6 m.
1. 3 answers
2. asked by Anonymous
3. 972 views
use remainder therem to find the remainder when f(x) is divided by x+2 then use factor to determine whether x +2 is a factorf(x)
1. 2 answers
2. asked by amy
3. 967 views
How do I find the equilibrium constant for 4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(g)at 825 degrees celcius, assuming that delta H
1. 0 answers
2. asked by Summer
3. 967 views
The electric potential in a certain region is V = a x2 + b x + c, where a = 15 V/m2, b = −13 V/m, and c = 67 V.1)Determine the
1. 1 answer
2. asked by physics
3. 966 views
A jet travels at 433 m/s.How long does it take to travel 210 m? Answer in units of s How long to travel 12.4 km? Answer in units
1. 1 answer
2. asked by anon
3. 965 views
Joseph has just retired and is trying to decide between two retirement income option as to where he would place his life
1. 3 answers
2. asked by Anonymous
3. 962 views
If 86% of households have cable television and three households are picked at random, what is the probability that at least one
1. 1 answer
2. asked by Janice
3. 962 views
An electron travels 3.75 m in 6.41 × 10−8 s.How fast does it travel? Answer in units of cm/s
1. 1 answer
2. asked by Kelly
3. 951 views
How to go into indepth about the conductivity of the heart?
1. 1 answer
2. asked by ant
3. 949 views
Two particles are at the same point at the same time, moving in the same direction. Par- ticle A has an initial velocity of 9
1. 1 answer
2. asked by Hannah
3. 934 views
The fastest major league pitcher throws a ball at 45m/s. If he throws the ball horizontally, how far does it drops vertically on
1. 3 answers
2. asked by Mily
3. 921 views
A wooden crate weighs 780lb.What force is needed to start the crate sliding on a wooden floor when the coefficient of starting
1. 1 answer
2. asked by SAM
3. 917 views
A youngster bounces straight up and down on a trampoline. Suppose she doubles her initial speed from 2.0 m/s to 4.0 m/s.(a) By
1. 2 answers
2. asked by Nyla (really desperate)
3. 916 views
which one is correct.a)the temperature was 104 degrees and Eric's car was not equipped with airconditioning grammar or b)the
1. 5 answers
2. asked by hi
3. 907 views
1) The first term of arithmetic progression is -20 and the sum of it's term is 250. find it's last term if the number of it's
1. 6 answers
2. asked by Amir khan
3. 894 views
Find article related to teen depression or anxiety
1. 1 answer
2. asked by hoover
3. 885 views
starbucks changed the name of some of its coffehouses to connote a different personality to customers. True or False?
1. 1 answer
2. asked by Asma
3. 883 views
Tonia deposited a total of $174.52 into her checking account. She also withdrew a total of $186.15. Use addition to find the net
1. 1 answer
2. asked by Caitlin
3. 872 views
let f(x) = (x)^(1/2)Compute the difference quotient for f(x)at a=37 and h=33
1. 1 answer
2. asked by Ann2793
3. 868 views
Can anyone answer:"R is the set with even natural numbers that are less than 2" in roster and set builder form
1. 0 answers
2. asked by Jenny
3. 859 views
A projectile of mass 0.539 kg is shot from acannon. The end of the cannon’s barrel is at height 6.4 m, as shown in the figure.
1. 0 answers
2. asked by meagan
3. 859 views
is it possible a son is biologicaly older than his parent?
1. 1 answer
2. asked by fitz
3. 854 views
what is the rhetorical strategy used in this parapgraph and what is the effect/function. Please quote the sentence of where the
1. 2 answers
2. asked by Mario
3. 853 views
In new jersey's pick 4 lottery game, you pay 50 cents to select a sequence of four digits, such as 1332. if you select the same
1. 1 answer
2. asked by bibi
3. 848 views

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