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Lacey

Questions and answers by visitors named Lacey

Questions (76)

A town has a population of 8400 i 1990. Fifteen years later, it's population grew to 12500. Determine the average annual growth
1. 6 answers
2. asked by Lacey
3. 6,168 views
two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h
1. 5 answers
2. 2,177 views
Can you give me an example of a compound that can make Ba3(PO4)2 even more insoluble than it already is (and can you tell me
1. 1 answer
2. 580 views
Can you explain the process for solving this problem (this one is more complicated than the example in our book):A solution
1. 1 answer
2. 683 views
Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide.Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and
1. 1 answer
2. 621 views
Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide.Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and
1. 1 answer
2. 631 views
CH2 = CH - CH - OH............| ...........CH3 Draw the structure of this polymer and identify the monomer unit. Should show
1. 1 answer
2. 1,140 views
Reaction 1............................O ...........................// CH2=CH-CH-OH + CH3-CH-CH2-C ........|...........|......\
1. 1 answer
2. 703 views
State the Le Chatelier's principle and explain the followingi) The effect that incresing the pressure will have on the
1. 1 answer
2. 528 views
....CH3.................O..............................__/......................||.......................... ..//
1. 1 answer
2. 621 views
Wow, ok, that helps a LOT!! I guess you can't very easily balance an equation that can never happen! :)Thanks a lot! Just to
1. 1 answer
2. 1,118 views
Can someone please give me an example of a chemical reaction of scandium with oxygen?Thanks This site may have the information
1. 2 answers
2. 558 views
Hi, I have another question...I need to write a reaction for the preparation of americium by reducing AmF3 with barium vapor at
1. 1 answer
2. 391 views
Can someone please tell me why I would (or wouldn't) expect a color change if FeCl3 were added to pure aspirin and also to oil
1. 4 answers
2. 4,941 views
Here is a compound that I am trying to name...H H \ / C || CH3-CH2-C-CH2-CH2-CH2-CH3 I came up with 3-methylheptene, but the
1. 1 answer
2. 624 views
Why is miosis important in providing airation in living things?
1. 1 answer
2. 332 views
A quarterback and end play on their team. From the start of a play, Pete, the end, runs down the field at about 25 feet per
1. 3 answers
2. 456 views
I have a reaction here:2Na3PO4.12H2O + 3BaCl.2H2O --> Ba3(PO4)2 + 6NaCl + 30H2O and a question: 0.349g of BaCl2.2H2O and 0.624g
1. 3 answers
2. 1,486 views
I'm working on a couple of SAT math programs for school, and I have trouble figuring some out.1. Joe is 3 years younger than
1. 2 answers
2. 497 views
I asked two questions yesterday, and thankfully, bobpursley answered the latter. I accidentally typed in the first question
1. 2 answers
2. 796 views
how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit
1. 2 answers
2. 488 views
1. 2T^2 + 3KT - 3K = 2 (for T)2. x^3-4x^2 + 6 = 0 (for x)
1. 1 answer
2. 285 views
Can scientists from other countries change what physicists in the United States think?Need help ASAP work due tomorrow XD
1. 2 answers
2. 1,145 views
can scientific laws be changed by a vote?
1. 3 answers
2. 428 views
Name at least four ordered pairs for which the sum of coordinates is -2.
1. 1 answer
2. 459 views
VISUALIZATIONName the geometric term(s) for: a paritally-opened news paper woven threads in a piece of cloth satellite dish
1. 6 answers
2. 1,913 views
Find the value of the variable and ST if S is between R and T.RS=7a, ST=12a, RS=28 No clue what so ever how to do this.
1. 4 answers
2. 1,592 views
Please help solve for:solve for x: m < 2=70 and m < 8 = 6 x - 2
1. 1 answer
2. 295 views
I just have one more question.I need to find the equation for the following word problem: a group of yeasts cells grows by 75%
1. 3 answers
2. 573 views
A 67gr mass of solid iron is heated by a flame until the temp of the iron equals the temp of the flame. The solid iron is then
1. 2 answers
2. 502 views
Two brothers enter a race with 5 others. Racers draw names to determine their starting positions (1 to 6). What's the
1. 2 answers
2. 1,214 views
I'm studying for a Ruminant Nutrition final exam and have a couple essay questions that I'm really struggling with...- How do
1. 1 answer
2. 390 views
How does a sunflower's energy get transferred?
1. 1 answer
2. 398 views
what mammal order has the following dental formula: 006/406?
1. 1 answer
2. 303 views
A student bikes to school by traveling first d_N = 1.10 miles north, then d_W = 0.500 miles west, and finally d_S = 0.200 miles
1. 2 answers
2. 740 views
A student bikes to school by traveling first d_N = 1.10 {miles} north, then d_W = 0.500{miles} west, and finally d_S = 0.200
1. 4 answers
2. 2,318 views
A person jumps from the roof of a house 3.6 -m high. When he strikes the ground below, he bends his knees so that his torso
1. 3 answers
2. 1,081 views
A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small
1. 2 answers
2. 712 views
Mary needs $9000 in 7 years. What amount can she deposit at the end of each quarter at 6% interest compounded quarterly so she
1. 4 answers
2. 1,870 views
A 3.6 m diameter merry-go-round is rotating freely with an angular velocity of 0.78 rad/s. Its total moment of inertia is 1700
1. 5 answers
2. 1,198 views
A solid ball of mass m rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic
1. 4 answers
2. 1,790 views
what is the best way to enplain orientalism and the characteristics of it?
1. 1 answer
2. 317 views
Ice (initially at 0 degrees celcius)is added to 0.75 L of tea at 20 degrees celcius to make the coldest possible iced tea. If
1. 1 answer
2. 633 views
A random sample of 20 hogs on farmer Brown's hog farm had an average weight of 350 pounds and a SD of 70 pounds. Find 95%
1. 2 answers
2. 589 views
Can you help me with these sentences.Review the following sentences. Some of them are correct, whereas others contain an error
1. 9 answers
2. 1,073 views
An instructor gives a test with 20 multiple choice questions. There are 4 responses per questions and only one choice correct.
1. 3 answers
2. 1,711 views
Write a system of inequalities in which x and y are each greater than -3, but not greater than 2.Can someone please help???
1. 3 answers
2. 368 views
A box contains 15 blue marbles, 25 yellow marbles, 20 green marbles and 40 red marbles. How many ,arbles must you select to be
1. 4 answers
2. 1,522 views
How do you balance a chemical reaction word equation?!
1. 4 answers
2. 409 views
Consider the reaction CH4+ 2Cl2=CCl4. If .33 moles of CH4 is reacted with 1 mole of Cl2, how much CCl4 is produced?
1. 2 answers
2. 1,211 views
Calculate the volume of a 0.150 M NaOH solution that will be required to neutralize all of the H+ ions in 0.400 grams of
1. 2 answers
2. 596 views
When 0.055 moles of lead(II) nitrate are dissolved in enough water to make 803 mililiters of solution, what is the molar
1. 3 answers
2. 1,701 views
For the reaction? N2H4+? O2 →? N2+? H2O , what is the maximum amount of N2 (28.0134 g/mol) which could be formed from 14.75 g
1. 2 answers
2. 722 views
14 carat gold has a purity of 58.3%. Howmany moles of gold are in 172 grams of 14 carat gold? Answer in units of moles
1. 4 answers
2. 591 views
If a metal ore contains 21.4% pure metal, how many pounds of pure metal can be obtainedfrom 59 pounds of metal ore? Answer in
1. 4 answers
2. 1,349 views
A volleyball player serves the ball horizontally with a speed of 23.8 m/s. How far will it have dropped when it reaches a
1. 1 answer
2. 393 views
What force of friction would be felt between a 5 kg sled and the ground if a 20 N force is needed to cause it to accelerate at a
1. 1 answer
2. 838 views
A glass is slid across a bar top and eventually comes to rest. if the coefficient of friction between the glass and bar top is
1. 2 answers
2. 1,018 views
a 60 kg boy on a sled reaches the bottom of a hill traveling at 8 m/s, if he comes to a stop at 20 m along this flat stretch of
1. 1 answer
2. 1,063 views
What is the approximate molar fraction of ethanol c2h5oh in an aqueous solution in which the ethanol concentration is 11.0
1. 3 answers
2. 2,008 views
What is the kinetic energy of each electron in a beam of electrons if the beam produces a diffraction pattern of a crystal which
1. 1 answer
2. 901 views
State the Argument from Religious Experience, does God really exists?*Explain the argument's strengths * Explain (two) of the
1. 2 answers
2. 617 views
What is the sum of 3/4 over 8 plus 1/3 over 4
1. 1 answer
2. 307 views
HI, so these are questions from a test that I already took and I got these three wrong. But there letting me re do it so can
1. 1 answer
2. 1,137 views
Following the birth of a child, a parent wants to make an initial investment P 0 that will grow to $70,000 for the
1. 3 answers
2. 9,811 views
An engineer designs a satellite dish with a parabolic cross section. The dish is 10 ft wide at the opening, and the focus is
1. 4 answers
2. 7,285 views
X^2+y^2+6y+3=0x^2+y^2-9x-6=0 List the solutions: Please and thank you!
1. 2 answers
2. 652 views
Consider the following reaction:Zn (s) + 2HCl (aq) ---> ZnCl2 (g) + H2 (g) If the reaction has a 68.4% yield, how many grams of
1. 2 answers
2. 1,112 views
A roll of paper towels has a radius of 12 cm and a height of 18 cm. the cardboard tube in the centre has a radius of 5cm.Find
1. 2 answers
2. 984 views
Lee walked for 20 minutes on a motorized treadmill that was set at a constant speed of 4 miles per hour. About how many miles
1. 3 answers
2. 945 views
What is the product of a complex conjugated?The product of complex conjugates is a difference of two squares it is always a real
1. 4 answers
2. 2,413 views
Factoring in both direct and indirect factors, the production of livestock is responsible forproducing approximately 15% of all
1. 1 answer
2. 324 views
Consider the light from a green laser pointer (wavelength = 532 nm).What is the energy of 1 photon form this laser? If the laser
1. 2 answers
2. 645 views
In a paragraph, describe how plant roots could break rocks.
1. 5 answers
2. 572 views
In a paragraph, explain what gems are. Also, explain the difference and similarity between rocks and gems.
1. 2 answers
2. 206 views
Which sentence is correct?a. The salesman from Florida made record sales. b. The salesperson from Florida made record sales. c.
1. 1 answer
2. 103 views

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