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Questions Asked on March 25, 2013

For each electron in a ground-state Be atom, select the set of quantum numbers that represents it. Check all that apply.n=1 l=0
1. 1 answer
2. asked by Anonymous
3. 13,881 views
2.A teacher asks her class of 22 students, “What is your age?” Their responses are shown below. 19, 19, 14, 14, 16, 19, 19,
1. 30 answers
2. asked by Delilah
3. 8,127 views
Consider the titration of 30.0 mL of 0.050 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have
1. 1 answer
2. asked by hannah
3. 6,626 views
The energy levels of one-electron ions are given by the equation:En=(-2.18*10^(-18)J)(Z^2/n^2) The series in the He spectrum
1. 4 answers
2. asked by Anonymous
3. 5,789 views
in a 2-card hand, what is the probability of holding only face cards?
1. 1 answer
2. asked by amber
3. 5,217 views
Potassium, a silvery metal, reacts with bromine, a corrosive, reddish liquid, to yield potassium bromide, a white solid. Write
1. 5 answers
2. asked by nana
3. 4,684 views
young innovative or high tech firms often adopt the strategy of ignoring history of attempting to do something radically new.in
1. 2 answers
2. asked by sam
3. 4,531 views
A 13 foot ladder is leaning against a building.The bottom of the ladder is 5 feet from the building.How high up does the ladder
1. 1 answer
2. asked by evelyn
3. 4,264 views
The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency, ν0. Find the minimum
1. 3 answers
2. asked by marie darling
3. 4,135 views
Nora rides a bicycle for 5 min on a curvy road at a constant speeed of 10 m/s . Describe noras ride in terms of position,
1. 16 answers
2. asked by Ariel
3. 4,121 views
The monthly demand function for a product sold by a monopoly isp = 3750 − 1/3x^2 dollars, and the average cost is C = 1000 +
1. 3 answers
2. asked by Sarah
3. 3,756 views
Alicia has a flat platter shaped like a square with a semicircle of diameter 10 inches on each edge. What is the number of
1. 11 answers
2. asked by Knights
3. 3,250 views
A study by Hewitt Associates showed that 79% of companies offer employees flexible scheduling. Suppose a researcher believes
1. 2 answers
2. asked by John Barclaey
3. 2,989 views
A truck driver travels 55 km in 1 hour. He then drives a speed of 35km/hr for 2 hrs. Next, he drives 175 km in 3 hrs. What was
1. 6 answers
2. asked by Ariel
3. 2,951 views
Below are listed the numbers of doctors in various specialties by gender.Pathology Pediatric Psychiatry Male 12,575 33,020
1. 2 answers
2. asked by Bella
3. 2,904 views
Which of the following electron configurations of neutral atoms represent excited states?[Xe]6s^2 4f^1 [Ar]4s^2 3d^3 1s^2 2s^2
1. 1 answer
2. asked by Anonymous
3. 2,753 views
A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final
1. 1 answer
2. asked by lisa
3. 2,369 views
Complete the sentence below.Scatter plots are used to look for a pattern of association, or trend, between ____________ A) one
1. 3 answers
2. asked by Wendy
3. 2,244 views
use the remainder theorem to find the remainder when f(x) is divided by x - 3. Then use the factor theorem to determine whether
1. 1 answer
2. asked by Jenn
3. 2,174 views
how much heat is required to vaporize 343g of liquid ethanol at its boiling point?
1. 2 answers
2. asked by tanya
3. 2,174 views
ABCD is a trapezoid with AB<CD and AB parallel to CD. Γ is a circle inscribed in ABCD, such that Γ is tangent to all four
1. 2 answers
2. asked by i need help from anyone!
3. 2,091 views
A friend tells u he is 30 m from the fountain in the middle of the city. Explain why u cant identify his position from this
1. 3 answers
2. asked by Ariel
3. 1,970 views
Can someone please help me with a couple questions?1)The probability that a dessert sold at a certain cafe contains chocolate is
1. 1 answer
2. asked by Lee
3. 1,852 views
What is the radius of the largest sphere that can be placed at the center of a face-centered cubic unit cell of a cubic
1. 3 answers
2. asked by StressedStudent
3. 1,808 views
A carnival Ferris wheel with a radius of 7 m makes one complete revolution every 16s. The bottom of the wheel is 1.5 m above the
1. 2 answers
2. asked by Krystien
3. 1,785 views
Maria can read 20 pages of economics in an hour. She can also read 50 pages of sociology in an hour. She spends 5 hours per day
1. 1 answer
2. asked by Bob
3. 1,688 views
4. The data below are from an independent-measures experiment comparing three different treatment conditions.Treat. 1 Treat 2
1. 1 answer
2. asked by Pam
3. 1,561 views
A dockworker loading crates on a ship finds that a 22-kg crate, initially at rest on a horizontal surface, requires a 76-N
1. 1 answer
2. asked by Sally
3. 1,450 views
calculate the mass in grams of hydrogen chloride produced when 5.25 L of a molecular hydrogen measured at STP reacts with an
1. 1 answer
2. asked by jane
3. 1,395 views
One batch of fruit salad has equal amounts of which kinds of fruit?Explain how you decided.
1. 3 answers
2. asked by mateo
3. 1,362 views
During condensation, what must be changed, temperature or heat energy?
1. 2 answers
2. asked by kate
3. 1,356 views
A girl starts from rest and reaches a walking speed of 1.4 m/s in 3.0 s. She walks at this speed for 6.0 s. Girl then slows down
1. 2 answers
2. asked by Ariel
3. 1,356 views
How do I use the unit circle to evaluate tan(-3pi/4)
1. 1 answer
2. asked by Courtney
3. 1,344 views
A copper rod of length 0.83 m is lying on a frictionless table (see the drawing). Each end of the rod is attached to a fixed
1. 0 answers
2. asked by VictorD2
3. 1,328 views
a 23.74 mL volume of .0981 M NaOH was used to titrate 25 mL of a weak monoprotic acid solution to the stoichiometric point.
1. 2 answers
2. asked by Anonymous
3. 1,328 views
What are the three main parts of a research report?title, body, conclusion introduction, body, sources introduction, body,
1. 1 answer
2. asked by Mr.Brain
3. 1,319 views
Recognizing Culture Gaps As a leader, how might a leader recognize a culture gap?What are some techniques leaders might use to
1. 1 answer
2. asked by Samantha
3. 1,309 views
The average homicide rate for the cities and towns in a state is 10 per 100,000 population with a standard deviation of 2. If
1. 5 answers
2. asked by brittany
3. 1,294 views
A basketball has a diameter of 29.5 inches. If the basketball is fully inflated, about how many cubic inches of air will it
1. 4 answers
2. asked by Olivia
3. 1,292 views
Your space ship has docked at a space station above Mars. The temperature inside the space station is a carefully controlled
1. 2 answers
2. asked by Linzy
3. 1,291 views
The monthly demand function for a product sold by a monopoly isp = 3750 − 1/3x^2 dollars, and the average cost is C = 1000 +
1. 0 answers
2. asked by Sarah
3. 1,248 views
Write an integer that is represented by the following sentenceThe temperature dropped 17 degrees between noon and midnight.
1. 1 answer
2. asked by Dekerionna Stephens
3. 1,238 views
An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30cm, and the
1. 3 answers
2. asked by Katlyn
3. 1,213 views
14.pagar dinero cada mes por vivir en un lugar? I have tried many answers will not accept them. It is a form of rent alquilar my
1. 3 answers
2. asked by chichi
3. 1,207 views
can you help me find facts and figures why teens should voulunteerif possible how many teens like volunteering i apreciate your
1. 0 answers
2. asked by Bob
3. 1,200 views
ABC is an isosceles triangle where AB=AC and BC=60. D is a point on BC such that the perpendicular distance from D to AB and AC
1. 3 answers
2. asked by i need help from anyone!
3. 1,196 views
Hi, could someone please take a look at my solution to this problem and let me know if it's correct? I would really appreciate
1. 3 answers
2. asked by Constantine
3. 1,183 views
A counter in Eills' kitchen is 1 meter wide 2 meter long. Eills wants to replace the counter with a granite counter top .Howmany
1. 1 answer
2. asked by eboni
3. 1,172 views
Tungsten metal can be produced by the reaction of tungsten oxide powder (WO3) with hydrogen gas (H2) in a reactor heated to
1. 1 answer
2. asked by Chemq
3. 1,169 views
A child's toy consists of a toy car of mass 0.100kg which is able to roll without friction on the loop-the-loop track shown. The
1. 0 answers
2. asked by C
3. 1,157 views
For the reaction CO2 + H2 <--> CO + H20 + heat, indicate how the change in condition will shift the equilibrium (ie right or
1. 1 answer
2. asked by K
3. 1,143 views
An á-particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that
1. 0 answers
2. asked by Don
3. 1,132 views
Two positive point charges are placed on the x-axis. One, of magnitude 4Q, is placed at the origin. The other, of magnitude Q is
1. 5 answers
2. asked by i need help from anyone!
3. 1,128 views
Anneke's science class measured 10 inches of rainfall during the month of May what was the average rainfall per day?(Round your
1. 3 answers
2. asked by Anonymous
3. 1,107 views
At the beginning of a basketball game, the referee tosses the ball vertically into the air. Its height, h, in feet after t
1. 1 answer
2. asked by Jon
3. 1,097 views
Plan,design and conduct an investion to find out whether the amount of heat produced will depend on increase on concentration of
1. 0 answers
2. asked by Jossie
3. 1,096 views
can someone please show me the answer for this problem ?a tree is situated on level ground from a point 135 feet from the base
1. 1 answer
2. asked by ,,,,,
3. 1,092 views
1.Read these two short sentences: There was a blizzard. Nearly 20,000 homes in the metro area lost power. Choose the correct
1. 5 answers
2. asked by Delilah
3. 1,086 views
Form a polynomial f(x) with real coefficents having the given degree and zeros degree 5; zeros: 5; -i; -9 +if(x)=a
1. 1 answer
2. asked by Jenn
3. 1,086 views
The original high estimate of the number of protein-coding genes in humans was based partly on the number of different known
1. 0 answers
2. asked by arthur
3. 1,073 views
Determine the number of subsets of A={1,2,…,10} whose sum of elements are greater than or equal to 28.
1. 1 answer
2. asked by Carlos
3. 1,064 views
design and conduct an investion to find out whether the amount of heat(gas) produced will depend on an increase on the
1. 2 answers
2. asked by Jossie
3. 1,062 views
A 4 kg crate slides down a ramp.the ramp 2.9 m in length and incline at an angle of 35 degress.the crate start from rest at the
1. 1 answer
2. asked by Sydney
3. 1,054 views
Electrical poles that carry electrical wire seem to get smaller the farther away they are. Find the apparent height of each pole
1. 2 answers
2. asked by Shanequa
3. 1,047 views
A block of mass 300kg is just pulled along rough horizontal ground by two equal force inclined at 30 degrees to the line of
1. 1 answer
2. asked by Mathapelo
3. 1,041 views
Please help me with matching the stages of the meiosis to its proper description.Sentences: 1. Members of each homologous pair
1. 1 answer
2. asked by Jason
3. 1,039 views
how can I find the Liters of solution. the solution is salt (NaCl) mixed in water (H20) ?
1. 0 answers
2. asked by kezinch
3. 1,030 views
What is the approximate circumference of a circle with a radius of 6 centimeters?A.12 B.18 C.24 D.36 My teacher says it's D and
1. 3 answers
2. asked by Jerald
3. 1,019 views
Use a graphing calculator or a computer to graph the system of inequalities. Give the coordinates of each vertex of the solution
1. 1 answer
2. asked by Emma
3. 1,012 views
A 9.6-m-long elastic band is used to launch a toy glider. Once stretched to a length of 38 m, the band releases 1.7 J of elastic
1. 0 answers
2. asked by
3. 1,006 views
where can I find information on Issues in Supervision and Consultation?
1. 1 answer
2. asked by dora
3. 1,000 views
N2(g)+H2(g)-NH3(g)Calculate the volume of ammonia gas produced when20cm3 of nitrogen gas was reacted with an excess of hydrogen
1. 2 answers
2. asked by kate
3. 998 views
Derive the error in equation:T1/2 = 1n(2)/lambda solve for T
1. 0 answers
2. asked by Kenna
3. 997 views
Choose an essay or a short story to read.Then answer the following questions in the space provided. 10.What is the title of the
1. 6 answers
2. asked by Carlos
3. 984 views
Anneke's science class measured 10 inches of rainfall during the month of May what was the average rainfall per day?(Round your
1. 1 answer
2. asked by Anonymous
3. 969 views
A car traveling at 150 miles/hour strikes a wall and bounces backwards at 30 miles/hour. If the car is in contact with the wall
1. 0 answers
2. asked by robert
3. 966 views
you go up a hill at 10 miles per hour and down the hill at 30 miles per hour what is the average speed and it's not 20 miles per
1. 1 answer
2. asked by Anonymous
3. 947 views
The ratio of Tim's marbles to Joe's marbles to Matt's marbles is 8 : 6 : 9. If Tim and Joe have 84 marbles altogether, how many
1. 1 answer
2. asked by lidia
3. 946 views
Stem height in the pea plant is one of the traits studied by Mendel. The tall allele is dominant to the short stem allele. What
1. 2 answers
2. asked by arthur
3. 932 views
a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from
1. 4 answers
2. asked by carolina
3. 914 views
An 80 kg man is riding in an elevator from the first floor to the 34th floor. The elevator and man are moving at a constant
1. 1 answer
2. asked by i need help from anyone!
3. 888 views
For each electron in a ground-state Be atom, select the set of quantum numbers that represents it. Check all that apply.n=1 l=0
1. 0 answers
2. asked by Anonymous
3. 878 views
What is the product of all roots to the equation++(x−1)(x−2)(x−3)+(x−2)(x−3)(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5
1. 1 answer
2. asked by i need help from anyone!
3. 873 views
A solution is prepared by dissolving 0.12 mol of acetic acid and 0.12 mol of ammonium chloride in enough water to make 1.0 L of
1. 1 answer
2. asked by Emma
3. 871 views
"Adult tickets are $6, Kids are $3. If the total sales are $585, but only 120 tickets were sold, how many adult tickets were
1. 1 answer
2. asked by vince
3. 867 views
The figure shows a 0.3 kg baseball just before and just after it collides with a bat. Just before, the ball has velocity of
1. 0 answers
2. asked by Alex
3. 865 views
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3.H2(g)+I2(g) <-> 2HI(g) At this temperature,
1. 2 answers
2. asked by Anonymous
3. 864 views
A thermally insulated 50ohm resistor carries a current of 1A for 1s. The initial temperature of the resistor is 10degree, its
1. 0 answers
2. asked by Salando
3. 859 views
The 10 kg block shown is released from rest on the horizontal surface at point B, where the spring has been stretched a distance
1. 1 answer
2. asked by Brandon
3. 857 views
I'm stuck on 2 problems I know the answers but need to learn to show the work.X^4+x^3=16-8x-6x^2. Answer: -2,1,+-√8
1. 1 answer
2. asked by Anonymous
3. 835 views
The measurement of the radius of a circle is found to be 14 inches, with a possible error of 1/4 inch. Use differentials to
1. 2 answers
2. asked by shaljz
3. 822 views
What is Earth's surface (sea level)? Its pressure is 14.7 psi. That is what is the number of ft.
1. 1 answer
2. asked by Anonymous
3. 819 views
Suppose you had d dollies in your bank account.you spent $12 but have at least $51 left.how much money did you have
1. 2 answers
2. asked by Lisa
3. 817 views
course journal penn foster
1. 1 answer
2. asked by kim
3. 807 views
In the original design for the livingroom genivie ve planned to have a 6ft by 8ft floor rug made after looking at the budget
1. 3 answers
2. asked by alyssa
3. 792 views
Aluminum fluoride, AlF3, exists as a gas at 1000 degrees C.(a) The Al-F bond energy is observed to be 659 kJ/mole. Calculate the
1. 0 answers
2. asked by Chemq
3. 783 views
Three circles with different radii have their centers on a line. The two smaller circles are inside the largest circle, and each
1. 2 answers
2. asked by i need help from anyone!
3. 780 views
If a sample of gas occupies 2.1 ml at a pressure of 896 torr, what volume (ml) will it occupy at a pressure of 316.8 torr.I
1. 1 answer
2. asked by Linzy
3. 773 views
In plants, it can be assumed that NADPH like NADH is energetically equivalent to 2.5 ATP. Calculate the number of ATP and ATP
1. 0 answers
2. asked by brad
3. 769 views
20 ml of 0.1 M acetic acid was mixed with 25 ml of 0.1 M Sodium Acetate. The pH was measured to be 4.43. 5 ml of 0.1 M Sodium
1. 2 answers
2. asked by Annie
3. 762 views

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