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Richard

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Radio waves travel at the speed of light, which is 3.00 108 m/s. What is the wavelength for a FM station broadcasting at 105.9
1. 1 answer
2. 548 views
What is the maximum total force exerted on a 78 kg astronaut by her seat during the launch of the Space Shuttle?
1. 2 answers
2. 548 views
A student of weight 990 N was sent to another planet called Nerdland. If Nerdland has a mass that is three times the mass of the
1. 0 answers
2. 540 views
solve by the elimination method:9x-9y=18 7y-3x=-8 please solve step by step thank you for your help
1. 1 answer
2. 679 views
Calculate the number of moles of FeSO4 in 25cm3 of a 0.2mol dm3 solution
1. 5 answers
2. 2,955 views
A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the
1. 1 answer
2. 498 views
What is the average current through a conductor that carries 4 375C during a 2 min time period?
1. 0 answers
2. 426 views
What volume of dry hydrogen would be produced under standard consitions when 0.250g of magnesium reacts with excess HCl?
1. 1 answer
2. 571 views
The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius.
1. 3 answers
2. 711 views
The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius.
1. 1 answer
2. 461 views
what are the coordinates of the points at which the slope of the function with the equation y = x^4 - 8x^2 is equal to zero ?
1. 2 answers
2. 330 views
Two boxes are similar. The larger box has a volume that is 64 times the volume of the smaller box. What is the ratio of the
1. 1 answer
2. 571 views
What is a number sentence that shows the same product as the product of 9 and 2
1. 2 answers
2. 278 views
Let's say you measure an average acceleration to be 0.4134 ms-2.What is the height (in centimeters) of the riser block? Assume
1. 0 answers
2. 1,307 views
Hi! is my answer correct?Consider the following chemical reaction: H2 (g) + I2 (g) <> 2HI (g) At equilibrium in a particular
1. 1 answer
2. 3,918 views
f(x)=ax+bf(-2)=27 and f(1)=15 find the value of x when f(x)=-5 how do you work this out?? thanks so much
1. 1 answer
2. 345 views
A square made by a length of string 8 cm long is reshaped into a circle. What is the circumference of the circle
1. 3 answers
2. 986 views
A chain composed of four identical links is suspended by a rope and does not move. What are the forces on each chain? (include
1. 2 answers
2. 1,041 views
There is also a lot of companies that report their federal taxes using the accrual basis and their state taxes on the cash
1. 0 answers
2. 363 views
how much would a 80.0kg person weigh on earth where the acceleration of gravity is 1.63m/s2
1. 1 answer
2. 587 views
how much would a 80.0kg person weigh on mars if the acceleration of gravity is 3.93m/s2
1. 1 answer
2. 1,665 views
According to table 1.3, what volume of iron would be needed to balance a 1.00cm3 sample of lead on a two pan laboratory balance?
1. 6 answers
2. 4,586 views
A cubic tank holds 1,000kg of water. What are the dimensions of the tank in meters. Explain your reasoning.
1. 1 answer
2. 1,011 views
Describe alpha, beta, and gamma rays. What exactly is each ray composed of? What are their characteristic radiation
1. 1 answer
2. 530 views
The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is
1. 0 answers
2. 606 views
A buffer prepared by mixing equal amounts of the salts Na2HPo4 and NaH2PO4 to give a total phosphate concentration of 0.1M. What
1. 0 answers
2. 949 views
A buffer prepared by mixing equal amounts of the salts Na2HPo4 and NaH2PO4 to give a total phosphate concentration of 0.1M. What
1. 0 answers
2. 617 views
How does one Coulomb of charge compare to the charge on an electron? How do you think such a large difference arose
1. 1 answer
2. 570 views
Where should most of the mass be for an industrial fly wheel? Why? can't find any thing about this in my book. need help
1. 1 answer
2. 405 views
I am an odd multiple of 50p. My number of £s is double 18. What am I?
1. 2 answers
2. 520 views
How does a derivation differ from an experiment or a theory?
1. 1 answer
2. 393 views
Having trouble determ the formulas for the follow problems.2. If an automobile travels at 30 km/hr. for 2 hours, how far does it
1. 1 answer
2. 1,360 views
How can the actions of urban elites help explain the Great Recession?
1. 0 answers
2. 364 views
The width of a rectangle is fixed at 16 cm. What lengths will make the perimeter greater than 78cm?Would the answer be 23
1. 2 answers
2. 388 views
Media service charges $20 for a phone and $30/month for its economy plan. The equation c=30t +20 describes the total cost,c, of
1. 3 answers
2. 633 views
Trains A & B are traveling in the same direction on parallel tracks. Train A is going 60mph and Train B at 80mph. Train A passes
1. 2 answers
2. 547 views
1. Which two elements react vigorously with each other?A: Chlorine and lithium B:Chlorine and potassium C:iodine and lithium
1. 1 answer
2. 1,867 views
1.Use the Vsepr theory to predict and explain the shape and bond angle of each of the molecules SCI2 and C2CL2.2.Deduce whether
1. 3 answers
2. 2,682 views
.predict and expalain the order of melting point for propanol, butane, and proanone with refernce to their intermolecular
1. 1 answer
2. 542 views
1.predict and expalain the order of melting point for propanol, butane, and proanone with refernce to their intermolecular
1. 1 answer
2. 1,340 views
: When the mass hits the pile, it has kinetic energy. This energy is transformed into other forms of energy as the speed of the
1. 1 answer
2. 1,022 views
Would someone please tell me how to solve these two problems?Find the indefinite integral: x(x-1)^5 dx (v^2)(1-v)^6 dv
1. 0 answers
2. 765 views
Lithium hydroxide reacts with carbon dioxide as follow.2LiOH + CO2________ Li2CO3 + H2O What mass (in grams) of Lithium
1. 2 answers
2. 2,120 views
First Estimate the answer. Then find the exact answer. Simplify your answer if possible.9*2/7*8/5/7
1. 3 answers
2. 951 views
First Estimate the answer. Then find the exact answer. Simplify your answer if possible.9*2/7*8/5/7
1. 2 answers
2. 806 views
First Estimate the answer. Then find the exact answer. Simplify your answer if possible.2*1/3*15
1. 1 answer
2. 447 views
They are__________Mol of carbon atoms in 4 mol of DimedthysulfoxideA: 2 B: 6 c: 8 D: 4 E: 3 My answer is C:8 but can any one
1. 1 answer
2. 632 views
Is The factors of 385 = 1,5,7,55,77,385?
1. 3 answers
2. 741 views
THis is also known as an alchohol.a)hydroxyl group b) amino group c) phosphate group d) carboxyl group
1. 2 answers
2. 502 views
The typical ratio for a carbohydrate isa) CHO b) C2HO c) CH2o d) CHO2
1. 2 answers
2. 529 views
% increase in mean population from 1950 = 2,556,000,000 to2000 = 6,279,000,000 =
1. 1 answer
2. 376 views
Write 116 2/3 as a fraction or mixed number.
1. 3 answers
2. 2,161 views
I need to find the missing length of a right angle if one side is 7 and one is 25?
1. 1 answer
2. 432 views
Can some body help me to explain how DNA is formed?
1. 1 answer
2. 319 views
A small block of mass 5 kg initially rests on a track at the bottom of a circular, vertical loop-the-loop, which has a radius of
1. 6 answers
2. 970 views
Maria left the starting line at 8:30 a.m. and drove at an average rate of 40 mph. What time did she arrive at check point 1?
1. 4 answers
2. 267 views
An upright spring which is normally 3 m is compressed 2.3 m and a 2 kg block is placed on it. When it is 5 meters above the
1. 1 answer
2. 326 views
If f(x)=4x-5 find the value.f(c) f(3a2)
1. 2 answers
2. 930 views
Hello! Please help me out here.How do you find the circumference of something when you of 13in as your radius? Please answer
1. 3 answers
2. 544 views
How do scientists separate aniamals into classes?
1. 2 answers
2. 413 views
Why did King George III taxed the colonists?
1. 2 answers
2. 453 views
Name all the land features such as mountains, plains, deserts etc.
1. 3 answers
2. 549 views
Reading the book Twilight by Stephenie Meyer. Will have to write book report in class 11/13/07. Has anyone read the book and
1. 1 answer
2. 1,177 views
Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms.
1. 1 answer
2. 658 views
Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms.
1. 2 answers
2. 649 views
Formula for calculating cubic feet.length(in feet) x width(in feet) x height(in feet) = volume in cubic feet. Thank you DrBob
1. 0 answers
2. 1,135 views
A freind of yours brings up the idea that, if a person's gene were all identified and sequenced, he would be able to tell
1. 0 answers
2. 379 views
Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a
1. 0 answers
2. 535 views
Why is life based upon the cell?More or less, why are cells necessary for life? Is there a limit to how large a cell can be? **
1. 0 answers
2. 598 views
why is it easier to remove excess acetic acid from the products than excess isopentyl alcohol?from the products of what? Did you
1. 4 answers
2. 1,428 views
If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride , what is the theoretical yield of acetaminophen in
1. 3 answers
2. 4,250 views
Does this sound okay, if not how might i improve it?Thanks. In this lab the purpose states that the method of extraction is to
1. 0 answers
2. 498 views
I' am currently trying to wrie a couple of lab conclusions and having a hard time coming up with good points to make for the
1. 1 answer
2. 1,859 views
1. Would you expect ibuprofen to be soluble or insoluble in 1.0 M NaOH?Explain. 2. Thymol is very slightly soluble in water and
1. 2 answers
2. 6,029 views
When a tlc plate was developed the solvent front ran off the top of the plate, why?A two component mixture containing a
1. 0 answers
2. 1,295 views
Am I going in the right track?8x -1/x + 5x - 3/2x = 16x^2 - 2x/2x^2 + 5x^2 - 3x/2x^2 16x^2 - 2x + 5x^2 - 3x/2x^2 =21x^2 - 5/2x^2
1. 0 answers
2. 1,393 views
Our son's 3rd grade teacher gave out a homework assignment which had the students make a sentence for each of their spelling
1. 0 answers
2. 854 views
Our son's 3rd grade teacher gave out a homework assignment which had the students make a sentence for each of their spelling
1. 0 answers
2. 1,292 views
Please help? At least, let me know how to solve it. Please.The Starting five (5) players of the Women’s Basketball team have
1. 0 answers
2. 495 views

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