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2012
October

Questions Asked on October 13, 2012

A sample of one liquid has a mass of 60 grams and a volume of 50 centimeters cubed; a sample of a second liquid has a mass of 30
1. 1 answer
2. asked by Ann
3. 427 views
A 10 centimeters cubed sample of salt having a mass of 8 grams is added to 20 centimeters cubed of water having a mass of 15
1. 1 answer
2. asked by Ann
3. 1,020 views
40 centimeters cubed of dry sand is added to a graduated cylinder containing water, the level of the liquid rose 15 centimeters
1. 1 answer
2. asked by Ann
3. 453 views
Explain how to measure the volume of a rock by water displacement?
1. 1 answer
2. asked by Ann
3. 538 views
What is the mass (in grams) of 9.81 × 1024 molecules of methanol (CH3OH)?
1. 4 answers
2. asked by Anonymous
3. 1,701 views
What is the Cattle Kingdom?
1. 1 answer
2. asked by Laruen
3. 440 views
So I'm doing a project called Equality Matters. I decided to try and use my writing abilities to help me. Can you check this
1. 8 answers
2. asked by rawr... im a dinosaur.... rawr
3. 535 views
A crystalline solid consists of atoms stacked up in a repeating lattice structure. The atoms of a crystal reside at the corners
1. 3 answers
2. asked by Ania
3. 1,397 views
A ball acquires a horizontal speed of 12m/sec when a force is applied for a distance of .50m. If the ball has a mass of 1.0kg
1. 1 answer
2. asked by Brad
3. 2,026 views
blood cholesterol level of all men age 20-24 follows N(188,41) where the units for the men and standard deviation are in mg/dl.
1. 1 answer
2. asked by sam
3. 510 views
List commercial, everyday products whose manufacture starts with ethylene or ethene.I have already listed down plastic bags and
1. 1 answer
2. asked by Jiskhaa
3. 386 views
how do i find the net force 30-N and a force 20 to show forces opposite and both in the same diection?
1. 2 answers
2. asked by bobby h
3. 329 views
Q3. Select a company of your choice in a sector that you would like to work in. Imagine that you have to make a brief
1. 1 answer
2. asked by sadhana
3. 442 views
$4500 at an interest of 5% for 2 1/2 years
1. 2 answers
2. asked by denise
3. 382 views
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups?Answer a. There should be more peaks,
1. 1 answer
2. asked by Jay
3. 705 views
A company placed $1,000,000 in three different accounts. It placed part in short term notes paying 4.5% per year, twice as much
1. 1 answer
2. asked by Marilu
3. 620 views
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups?Answer a. There should be more peaks,
1. 2 answers
2. asked by Jay
3. 546 views
Find three brands of a grocery item that you purchase and figure the price per unit (i.e., per ounce or pound) for each brand.
1. 3 answers
2. asked by Anonymous
3. 777 views
lead has an atomic number of 82;iron has an atomic number of 26; and copper has an atomic number of 29.how do the charges of the
1. 1 answer
2. asked by tyneisha
3. 2,260 views
Question PartPoints Submissions Used An 8.61-kg block slides with an initial speed of 1.72 m/s down a ramp inclined at an angle
1. 1 answer
2. asked by Anonymous
3. 512 views
find the distance d (P1 P2) between the P1 and P2P1=(-1,1);P2=(1,2)
1. 1 answer
2. asked by ladybug
3. 382 views
What does the tire preseeure reading in your vehicle signify? Is it an absolute pressure?
1. 0 answers
2. asked by Chris
3. 339 views
The sum of two consecutive numbers is 37. What are they?
1. 1 answer
2. asked by z
3. 390 views
A 74-kg fisherman in a 124-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.4 m/s
1. 2 answers
2. asked by Kayla
3. 983 views
why aceticacid is weaker than iodoacetic acid?
1. 1 answer
2. asked by Anonymous
3. 347 views
This is example questionIf a baseball is thrown at average 24m/s and flying 12 m/s full length of the field by 0.5s
1. 1 answer
2. asked by Miss joyce
3. 342 views
an object is thrown upward from the top of a 80-foot building with a initial velocity of 65 feet per second. The height h of the
1. 1 answer
2. asked by Anonymous
3. 2,993 views
If a force gives a 2-kg object an acceleration of 1.6 m/s2, what acceleration does this same force give to an 8-kg object?
1. 2 answers
2. asked by maria
3. 4,343 views
A circular plate of uniform thickness has a diameter of 56cm.A circular portion of diameter 42cm is removed from one edge of the
1. 1 answer
2. asked by sony
3. 1,701 views
i need help in math can someone help me
1. 2 answers
2. asked by cecilia
3. 343 views
Bob, who has a mass of 60 , can throw a 800 rock with a speed of 26 . The distance through which his hand moves as he
1. 3 answers
2. asked by Bob
3. 2,252 views
How do you graph the line y = 3x + 2.
1. 1 answer
2. asked by Linda
3. 271 views
an isosceles triangle is such that the vertical angle is four times the size of a base angle.what is the size of a base angle
1. 4 answers
2. asked by ja'afar
3. 1,819 views
calculate the angles of an isosceles triangle in which each base angle in four times the vertical angle
1. 3 answers
2. asked by umar
3. 1,273 views
Which one is greater in terms of number of atoms Na or S.Which one is greater in terms of mass, a mole of Na atoms or a mole of
1. 1 answer
2. asked by troy
3. 343 views
Which will make you more wealthy, one mole of pennies (6.02e23 pennies) or one mole of gold atoms (6.02e23 atoms)?
1. 1 answer
2. asked by Candy
3. 1,320 views
Could donuts be quantified in terms of mass instead of number? explain.?
1. 1 answer
2. asked by Anonymous
3. 449 views
A government report looked at the amount borrowed for college by students who graduated in 2000 and had taken out student loans.
1. 1 answer
2. asked by karen
3. 1,419 views
What is the mass of 4.80 moles of MgCl2?My answer is: Mg=24.3 g/moleCl2=35.5g/mole*2=71g/mole so, Mg 24.3+ Cl2 71= 95.3g/mole
1. 2 answers
2. asked by chemdummy
3. 3,389 views
how many moles of Nitrogen are in 80g of N2O?
1. 2 answers
2. asked by Eddie
3. 829 views
sara and saira's grandfathercorrect the sentence
1. 1 answer
2. asked by Anonymous
3. 305 views
a farmer wishes to fence off a rectangular field with 1,000 feet of fencing.if the long side of the field is along a stream,
1. 2 answers
2. asked by lara
3. 3,064 views
Why might there be different kinds of thermometers for measuring temperature?
1. 1 answer
2. asked by ABC123
3. 749 views
Why would benzene boil at 100C instead of 80C?
1. 1 answer
2. asked by shelwa
3. 280 views
At constant temperature, a sample of 3.0L of Argon gas at 2.0 atm is compressed until the new pressure is 3.524 atm. What is the
1. 1 answer
2. asked by Stacy
3. 984 views
Aluminum metal is exposed to atmospheric oxygen, it is oxidized to form aluminum oxide. How much heat is released by the
1. 1 answer
2. asked by Diana
3. 1,606 views
A molecule has a glycerol backbone. The branches off of the three carbons are as follows:o-co-(ch2)14 - ch3 o-co-(ch2)12 - ch3
1. 0 answers
2. asked by KnowsNothing
3. 440 views
The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally,
1. 3 answers
2. asked by Michael
3. 1,071 views
A researcher wants to study the spending habits of customers of a local shopping mall. The mall manager claims that the average
1. 0 answers
2. asked by James
3. 569 views
Let a be an integer, then there are integers X, Y such that aX+(a+1)Y=1.Find the smallest positive value of Y.
1. 1 answer
2. asked by Anonymous
3. 406 views
i want a topic for investigatory project of biology...
1. 1 answer
2. asked by Snehal
3. 451 views
A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.16 m/s2. She decides to test the car by
1. 1 answer
2. asked by Sonia
3. 675 views
find the mid point of the line segment joining the points P1 and P2.P1 = (3,5) P2 = (-4,7)
1. 1 answer
2. asked by ladybug
3. 495 views
Suppose P( A given B)= .6, P(at least one of the two events occurs)= .8, and P(exactly one of the two events occurs)=.6. Then
1. 0 answers
2. asked by Conor
3. 457 views
Find the area of the triangle whose vertices are (2,3),(3,4),(-2,-4).
1. 1 answer
2. asked by vishal
3. 524 views
net ionic equation. Aqueous acetic acid (HC2H3O2) is neutralized by aqueous barium hydroxide.i got H^+(g) + OH^-(g) --> H_2O(l)
1. 2 answers
2. asked by rebekah
3. 10,091 views
Can someone please show me how to find an equation for the line with the given properties.Parellel to the lines 3x-y= -3;
1. 1 answer
2. asked by ladybug
3. 371 views
What is the value of the expression below?|-10| - |-15|
1. 1 answer
2. asked by Frances Salome
3. 329 views
You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is
1. 0 answers
2. asked by nicky
3. 618 views
Linda has 7/8 yard of fabric. She used 2/3 of it to make a purse. How much fabric did she use?
1. 1 answer
2. asked by JD
3. 853 views
The total amount of water in 2 containers is 35quarts. If 7 quarts gets poured from the container with less water into the
1. 2 answers
2. asked by Josie
3. 1,484 views
If you roll two dice what is the probablity of getting one 2?I think the answer is 1/6 but I'm not sure
1. 0 answers
2. asked by Mary
3. 331 views
what fraction of an original sample of a radioactive isotope remains after three half-lives have passed?1/8?
1. 1 answer
2. asked by jake
3. 554 views
choose components of phosphate buffer
1. 0 answers
2. asked by bita
3. 298 views
if a reaction vessel contains 11.5g NH3, 12.0g O2, and 10.5g CH4, what is the maximum mass in grams of hydrogen cyanide that
1. 1 answer
2. asked by robert
3. 1,088 views
in an experiment, 2.50g of salicylic acid is reacted with 10.31g of methanol. the yield of methyl salicylate, C8H8O3, is 1.27g.
1. 3 answers
2. asked by robert
3. 2,049 views
How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can
1. 1 answer
2. asked by Junkoping
3. 526 views
Consider a deck of 52 cards with the following characteristics:13 red cards, numbered 1 through 13 13 blue cards, numbered 1
1. 0 answers
2. asked by Dina
3. 631 views
How is reproducing sexually and asexualy in plants an adaptation?thanks
1. 0 answers
2. asked by Rebekah
3. 347 views
5. Identify which of the two sentences below contains a verb agreement error. Then, explain how to correct the problem.a. Among
1. 1 answer
2. asked by cathy
3. 494 views
Explain what is wrong with the following sentence and revise as needed to correct the problem: “I saw mountains of uncollected
1. 1 answer
2. asked by cathy
3. 528 views
This is a projectile motion question.A ball with a mass of .4 kg, initially at rest is kicked directly toward a 3 meter fence
1. 1 answer
2. asked by Ethan
3. 615 views
which country does not have territories in the pacific?United States Chile New Zealand China Chile?
1. 1 answer
2. asked by rawr... im a dinosaur.... rawr
3. 610 views
How was Opheila mistreated by male characters in Hamlet.
1. 1 answer
2. asked by Shelby
3. 405 views
So a editoral for the school's newspaper writes advice to students in the school or there more than that.
1. 1 answer
2. asked by Laruen
3. 395 views
given the pH (7.15)of a solution at 25deg C what is the H3O+ and OH-
1. 1 answer
2. asked by Jv
3. 402 views
The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at
1. 4 answers
2. asked by Casey
3. 2,560 views
You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is
1. 0 answers
2. asked by nicky
3. 1,191 views
Perimiter of Rectangle is 54cm, the width is 1/2(length)... what is the width & Length of the triangle?
1. 1 answer
2. asked by Karen
3. 347 views
what is the relationship between interactions and interdependence
1. 0 answers
2. asked by bob
3. 289 views
if 16.o ml HCL is needed to neutralize from a 2.25g sample of organic material, calculate the mass percentage of N in the sample
1. 1 answer
2. asked by allison
3. 988 views
oops -for my last question i meant rectangle
1. 0 answers
2. asked by Karen
3. 262 views
What is the Antarctic Treaty System?
1. 2 answers
2. asked by rawr... im a dinosaur.... rawr
3. 658 views
Two identical balls are moving at the same speed of 3 m/s toward each other. With no external forces acting, what would be the
1. 0 answers
2. asked by Anonymous
3. 420 views
A machine gun of mass 10 kg fires 20g bullets at the rate of 10 bullets per second, with the speed of 500 m/s. What is the force
1. 1 answer
2. asked by lalitha
3. 1,171 views
Colin's back yard is 720ft.In his estimation, the fallen leaves that covered his backyard is 2/3 of his yard.(Answer:480ft
1. 1 answer
2. asked by Shiny
3. 463 views
Sally applies a total force of 71 N with a ropeto drag a wooden crate of mass 100 kg across a floor with a constant acceleration
1. 1 answer
2. asked by Jacob
3. 2,553 views
When races are timed manually, timers start their watches when they see the smoke from the starting gun rather than when they
1. 1 answer
2. asked by AOA
3. 736 views
How do you solve this equation;There are 128 7th graders at Mark's school, if there are 16 more girls than boys, how many 7th
1. 6 answers
2. asked by Bill
3. 1,401 views
The total length y is a linear function of the tail length x with great accuracy. The domain is the interval from 30mm to 200mm,
1. 1 answer
2. asked by Jack
3. 1,025 views
A scuba diver dives 100 feet below the waters surface. Later she rises 78 feet. How far below the surface is the diver?
1. 2 answers
2. asked by Tyler
3. 654 views
hundert wasser
1. 1 answer
2. asked by nina
3. 673 views
When a spacecraft travels from the Earth to the Moon, both the Earth and the Moon exert a gravitational force on the spacecraft.
1. 1 answer
2. asked by Sam
3. 830 views
An object with a mass of 14kg lies on a frictionless incline. A rope attached to the mass runs parallel to the incline and is
1. 2 answers
2. asked by MOLLY
3. 525 views
If volume increases by 60%, how much does the surface increase by? Please show work.
1. 0 answers
2. asked by kate
3. 318 views
Find the acceleration and tension in an Atwood's machine. Two different masses connected by a string over a pulley which is at
1. 1 answer
2. asked by jack
3. 756 views
Select a city, town, or municipality and examinends trends in criminal activity over the last 3 yearse
1. 5 answers
2. asked by Kiera Harps
3. 485 views
If fixed costs are $20,000,000, variable cost per inpatient day are $450, average length of stay is 3.3 days, and volume is
1. 0 answers
2. asked by Lola
3. 388 views
A 345N load is suspended from a cable. What is the acceleration of the load if the tension in the cable is 275N£¿
1. 1 answer
2. asked by Richard
3. 803 views
calculate the molarity of an acetic acid solution if 25.00mL of the solution required 35.25mL of 0.1200M NaOH for
1. 1 answer
2. asked by Anonymous
3. 918 views

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