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calculate the initial concentration of SCN- ions and Fe3+ ions when a solution was prepared by mixing 3.00mL of 0.00280M KSCN,
1. 2 answers
2. 2,882 views
A) A hot air balloon has just lifted off and is rising at the constant rate of 1.70 m/s. Suddenly, one of the passengers
1. 1 answer
2. 4,710 views
a)Two cars are traveling along a straight line in the same direction, the lead car at 24.5m/s and the other car at 29.6m/s. At
1. 1 answer
2. 8,601 views
Can some one please explain this problem to me?Find lim x->0 (sin5x/sin7x)
1. 1 answer
2. 945 views
At 25C only .0190 mol of the generic salt AB2 is soluble in 1.00L of water. What is the Ksp of the salt at 25C?AB2<->A^2+ + 2B^-
1. 1 answer
2. 18,275 views
Complete this table of initial and final concentrationsHF(aq) + KOH(aq) <-> KF(aq) + H20(l) Initial concentrations: HF-2.0M
1. 3 answers
2. 3,165 views
a person jumps from a ledge 3.7 meters and when he drops to the ground it takes .7 meters for him to stop what is the force
1. 1 answer
2. 602 views
How would you prepare 50.0 mL of 2.0 M H2SO4 starting with concentrated sulfuric acid (18M)?
1. 1 answer
2. 1,501 views
How would you prepare 50.0 mL of 2.0 M H2SO4 starting with concentrated sulfuric acid (18M)?
1. 2 answers
2. 652 views
Hi,I am having a problem trying to find and understanding how to find the extreme values. I have a problem which I can't do.
1. 3 answers
2. 628 views
Hi,I am having a problem trying to find and understanding how to find the extreme values. I have a problem which I can't do.
1. 0 answers
2. 467 views
An aircraft in straight and level flight is in a state of horizontal equilibrium. It is flying 120 km/hr in the direction 110*
1. 2 answers
2. 595 views
Triiodobenzoic acid (TIBA) inhibits auxin transport. If a tiny agar bead containing TIBA were placed off center on the tip of an
1. 0 answers
2. 381 views
When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This explosion blows much or all of
1. 3 answers
2. 3,885 views
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the
1. 0 answers
2. 1,008 views
For the normal force in the drawing to have the same magnitude at all points on the vertical track, the stunt driver must adjust
1. 4 answers
2. 691 views
A satellite has a mass of 6146 kg and is in a circular orbit 4.57 × 105 m above the surface of a planet. The period of the
1. 2 answers
2. 934 views
On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as
1. 1 answer
2. 541 views
A hydraulic cylinder with a radius of 0.0268 m has a piston on the left end and a safety valve at the right end. The safety
1. 0 answers
2. 693 views
The drawing shows an intravenous feeding. With the distance of 0.610 m, nutrient solution (ρ = 1010 kg/m3) can just barely
1. 1 answer
2. 3,103 views
Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. Typically, this disc has a radius of
1. 1 answer
2. 2,322 views
Plato and Aristotle both argued that political life should reflect humans' aspirations to live in a genuinely "good" society.
1. 0 answers
2. 481 views
Let h(x) = f (x-pi). Find the domain and range of h.
1. 1 answer
2. 351 views
A public heath official wanted to know how often university students visit their student health centers due to illness or
1. 1 answer
2. 547 views
Methanol (CH3OH) is used in the production of many chemicals. Methanol is made by reacting carbon monoxide and hydrogen at high
1. 1 answer
2. 1,000 views
Methanol (CH3OH) is used in the production of many chemicals. Methanol is made by reacting carbon monoxide and hydrogen at high
1. 1 answer
2. 1,447 views
The potetial energy of a spring is 0.25 J when it is compressed 0.05m to the left of the equilibrium position. At this point it
1. 1 answer
2. 1,820 views
I need 6 letter word with second letter is I and fourth letter is Y. No more vowels.
1. 1 answer
2. 481 views
The Physical Education Deparment sells t-shirts for $12 and shorts for $8. One month, they sold 77 total items for $780 in
1. 2 answers
2. 1,089 views
What is the mass of 14 liters of gasoline? Assume that the density of gasloine is .680 grams per cubic centimeter. Provide
1. 1 answer
2. 490 views
If the slope is 3, find an equation of the tangent line to the curve at P(8, -3).
1. 1 answer
2. 356 views
a. According to the Henderson-Hasselbalch equation, how many grams of sodium acetate will you need to add to 125 mL of 0.100 M
1. 1 answer
2. 793 views
A sample of gas is placed in a container at 25 degrees C and 2 atm of pressure. If the temperature is raised to 50 degrees C,
1. 0 answers
2. 456 views
A sample of 0.50 moles of gas is placed in a container of volume of 2.5 L. What is the pressure of the gas in torr if the gas is
1. 0 answers
2. 439 views
0.2|-8|=???Would |5|-|-7|=12
1. 1 answer
2. 259 views
0.2|-8|=???Would |5|-|-7|=12
1. 3 answers
2. 353 views
There are 25 students. Yesterday, 6 of them were absent. What percentage of the students were absent?
1. 3 answers
2. 748 views
Directions: circle the word that describes the subject of the sentence.The dance competition will be stiff. is the answer
1. 9 answers
2. 448 views
Wiley Coyote has missed the Road Runner once again. This time he leaves horizontally off the edge of the cliff at 25 m/s. If he
1. 1 answer
2. 1,043 views
How much heat is required to change 2.5kg of ice at 0.0 degrees C to water at 50 degrees C?
1. 1 answer
2. 888 views
Find the derivative of f(x) = ln(48e^3x − 11)
1. 0 answers
2. 337 views
Find the derivative of y = (8+e^5x)^3
1. 0 answers
2. 355 views
<22{1[6(22)]}> Animal rights activist: The city’s decision to put all of its stray cats in animal shelters is simply wrong.
1. 3 answers
2. 1,088 views
)]}> Lawyer: My client, television commentator Jonas Cassell, was fired by the network that employed him for criticizing one of
1. 1 answer
2. 552 views
1. <22{5[1(03)]}> Barney: Last winter, I slipped on the outside stairs of PineTree Café and broke my leg. My fall was caused by
1. 2 answers
2. 4,264 views
10. <22{2[2(12)]}> Career counselor: It is best for artists to build a practical and safe career that will guarantee them a
1. 3 answers
2. 3,969 views
20. <22{1[1(01)]}> Since Jessica’s participation in local politics increased significantly after she joined her school’s
1. 1 answer
2. 1,310 views
18. <22{4[3(02)]}> Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the
1. 2 answers
2. 2,818 views
22. <22{7[1(04)]}> A company can either invest in employee training seminars or update its computer network. Since updating the
1. 2 answers
2. 2,879 views
<22{3[2(08)]}> Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories
1. 2 answers
2. 4,801 views
17. <22{1[2(24)]}> The average height of members of the high school basketball team is six feet, three inches. Jerry is on the
1. 2 answers
2. 840 views
15. <22{2[2(06)]}> Bowl More Lanes ran out of bowling lanes last Saturday and provided lanes for a league competition that
1. 2 answers
2. 572 views
<22{6[1(07)]}> The higher the price of an antique, the greater people’s expectation that the object is rare. That, in turn,
1. 4 answers
2. 2,035 views
<22{6[1(01)]}> Arthur: The solutions to most mystery novels I read are not believable. However, my enjoyment of a mystery novel
1. 8 answers
2. 3,795 views
Some drugs combat obesity or alcohol addiction by turning off pleasure centers in the brain. However, if the dosage is too high,
1. 1 answer
2. 709 views
)]}> Economists continue to measure our country’s economic well being based solely on its Gross Domestic Product, or GDP.
1. 2 answers
2. 883 views
)]}> Many are concerned that playing violent games may lead to violent behavior. However, statistics show that violent behavior
1. 3 answers
2. 746 views
11. <22{1[1(13)]}> A recent study of 100 employees from six departments of a major corporation found 65% to be sleep deprived.
1. 3 answers
2. 1,560 views
Political science professor: Many people insist that the Internet is revolutionizing the political process. They argue that
1. 4 answers
2. 3,849 views
write an expression for the quantity 506 00 in which it is clear that all zeros are significant
1. 1 answer
2. 351 views
The ages of five randomly chosen cars in the parking lot are determined to be 7, 9, 3, 4, and 6 years old. If we consider this
1. 3 answers
2. 1,990 views
Determine the future value of an annuity due into which quarterly deposits of $450 are made for nine years if the annuity pays
1. 2 answers
2. 565 views
Please can someone name an artist who bases their art work theme on 'good and bad' or 'good and evil'.And an artist who uses
1. 1 answer
2. 914 views
Discuss the roles of government, business, and the consumer in environmental protection. Justify your position.
1. 5 answers
2. 948 views
I need a suggestion for what to go by for a couple of charts.1. (-4,1), (-1,3.4), (1.5, 5.4), (6.4, 9.32) and (9,11.4) 2. (-4,
1. 2 answers
2. 351 views
I need a suggestion for what to go by for a couple of charts.1. (-4,1), (-1,3.4), (1.5, 5.4), (6.4, 9.32) and (9,11.4) 2. (-4,
1. 0 answers
2. 293 views
If a mole is equivalent to 6.02x10^23 molecules, and a liter of water has about 55.5 moles of H20, how do I find the amount of
1. 0 answers
2. 568 views
How do I solve problems like the following?There area approximately 5.58x10^21 (scientific notation) atoms in a gram of silver.
1. 1 answer
2. 611 views
...excess information....The historical society tells him that furniture similar to his has been appreciating in value at 10%
1. 2 answers
2. 450 views
A 12 foot ladder is leaning against a house. If the top of the ladder reaches 8 feet up the house, how far is the bottom of the
1. 4 answers
2. 1,563 views
how do I find the range of a natural log likeln | x/(1+x^2) |
1. 1 answer
2. 389 views
f(x) = (ax+b)/(x^2 - c)i) the graph of f is symmetric about the y-axis ii) limit as x approaches 2+ of f(x) is positive infinity
1. 1 answer
2. 573 views
If given: A 1.4470g sample of an oxide of gold was reduced with ethane to 1.2900g of gold metal. What is the simple formula of
1. 1 answer
2. 528 views

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