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2012
October
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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 answer
asked by
Ann
418 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
2 answers
asked by
Ann
1,012 views
40 centimeters cubed of dry sand is added to a graduated cylinder containing water, the level of the liquid rose 15 centimeters
1 answer
asked by
Ann
445 views
Explain how to measure the volume of a rock by water displacement?
2 answers
asked by
Ann
528 views
What is the mass (in grams) of 9.81 × 1024 molecules of methanol (CH3OH)?
5 answers
asked by
Anonymous
1,691 views
What is the Cattle Kingdom?
1 answer
asked by
Laruen
430 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
9 answers
asked by
rawr... im a dinosaur.... rawr
512 views
A crystalline solid consists of atoms stacked up in a repeating lattice structure. The atoms of a crystal reside at the corners
4 answers
asked by
Ania
1,373 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
3 answers
asked by
Brad
2,013 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 answer
asked by
sam
502 views
List commercial, everyday products whose manufacture starts with ethylene or ethene.
I have already listed down plastic bags and
1 answer
asked by
Jiskhaa
378 views
how do i find the net force 30-N and a force 20 to show forces opposite and both in the same diection?
3 answers
asked by
bobby h
318 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 answer
asked by
sadhana
430 views
$4500 at an interest of 5% for 2 1/2 years
3 answers
asked by
denise
372 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,
2 answers
asked by
Jay
697 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
2 answers
asked by
Marilu
605 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,
3 answers
asked by
Jay
532 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.
4 answers
asked by
Anonymous
764 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
3 answers
asked by
tyneisha
2,247 views
Question Part
Points 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 answer
asked by
Anonymous
501 views
find the distance d (P1 P2) between the P1 and P2
P1=(-1,1);P2=(1,2)
1 answer
asked by
ladybug
372 views
What does the tire preseeure reading in your vehicle signify? Is it an absolute pressure?
1 answer
asked by
Chris
334 views
The sum of two consecutive numbers is 37. What are they?
1 answer
asked by
z
381 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
3 answers
asked by
Kayla
971 views
why aceticacid is weaker than iodoacetic acid?
1 answer
asked by
Anonymous
341 views
This is example question
If a baseball is thrown at average 24m/s and flying 12 m/s full length of the field by 0.5s
1 answer
asked by
Miss joyce
333 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
3 answers
asked by
Anonymous
2,981 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?
4 answers
asked by
maria
4,331 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
3 answers
asked by
sony
1,688 views
i need help in math can someone help me
3 answers
asked by
cecilia
335 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
4 answers
asked by
Bob
2,234 views
How do you graph the line y = 3x + 2.
1 answer
asked by
Linda
262 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
5 answers
asked by
ja'afar
1,804 views
calculate the angles of an isosceles triangle in which each base angle in four times the vertical angle
4 answers
asked by
umar
1,253 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 answer
asked by
troy
338 views
Which will make you more wealthy, one mole of pennies (6.02e23 pennies) or one mole of gold atoms (6.02e23 atoms)?
3 answers
asked by
Candy
1,309 views
Could donuts be quantified in terms of mass instead of number? explain.?
1 answer
asked by
Anonymous
435 views
A government report looked at the amount borrowed for college by students who graduated in 2000 and had taken out student loans.
3 answers
asked by
karen
1,410 views
What is the mass of 4.80 moles of MgCl2?My answer is: Mg=24.3 g/mole
Cl2=35.5g/mole*2=71g/mole so, Mg 24.3+ Cl2 71= 95.3g/mole
4 answers
asked by
chemdummy
3,371 views
how many moles of Nitrogen are in 80g of N2O?
3 answers
asked by
Eddie
817 views
sara and saira's grandfather
correct the sentence
1 answer
asked by
Anonymous
297 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,
4 answers
asked by
lara
3,044 views
Why might there be different kinds of thermometers for measuring temperature?
2 answers
asked by
ABC123
739 views
Why would benzene boil at 100C instead of 80C?
1 answer
asked by
shelwa
272 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
2 answers
asked by
Stacy
975 views
Aluminum metal is exposed to atmospheric oxygen, it is oxidized to form aluminum oxide. How much heat is released by the
3 answers
asked by
Diana
1,595 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 answer
asked by
KnowsNothing
430 views
The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally,
4 answers
asked by
Michael
1,055 views
A researcher wants to study the spending habits of customers of a local shopping mall. The mall manager claims that the average
2 answers
asked by
James
561 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 answer
asked by
Anonymous
397 views
i want a topic for investigatory project of biology...
1 answer
asked by
Snehal
443 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
2 answers
asked by
Sonia
664 views
find the mid point of the line segment joining the points P1 and P2.
P1 = (3,5) P2 = (-4,7)
1 answer
asked by
ladybug
481 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 answer
asked by
Conor
447 views
Find the area of the triangle whose vertices are (2,3),(3,4),(-2,-4).
2 answers
asked by
vishal
515 views
net ionic equation. Aqueous acetic acid (HC2H3O2) is neutralized by aqueous barium hydroxide.
i got H^+(g) + OH^-(g) --> H_2O(l)
4 answers
asked by
rebekah
10,080 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 answer
asked by
ladybug
350 views
What is the value of the expression below?
|-10| - |-15|
1 answer
asked by
Frances Salome
324 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
2 answers
asked by
nicky
606 views
Linda has 7/8 yard of fabric. She used 2/3 of it to make a purse. How much fabric did she use?
2 answers
asked by
JD
837 views
The total amount of water in 2 containers is 35quarts. If 7 quarts gets poured from the container with less water into the
4 answers
asked by
Josie
1,470 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 answer
asked by
Mary
324 views
what fraction of an original sample of a radioactive isotope remains after three half-lives have passed?
1/8?
2 answers
asked by
jake
545 views
choose components of phosphate buffer
1 answer
asked by
bita
291 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
2 answers
asked by
robert
1,079 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.
4 answers
asked by
robert
2,032 views
How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can
1 answer
asked by
Junkoping
511 views
Consider a deck of 52 cards with the following characteristics:
13 red cards, numbered 1 through 13 13 blue cards, numbered 1
2 answers
asked by
Dina
615 views
How is reproducing sexually and asexualy in plants an adaptation?
thanks
1 answer
asked by
Rebekah
336 views
5. Identify which of the two sentences below contains a verb agreement error. Then, explain how to correct the problem.
a. Among
1 answer
asked by
cathy
482 views
Explain what is wrong with the following sentence and revise as needed to correct the problem: “I saw mountains of uncollected
1 answer
asked by
cathy
518 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
2 answers
asked by
Ethan
603 views
which country does not have territories in the pacific?
United States Chile New Zealand China Chile?
2 answers
asked by
rawr... im a dinosaur.... rawr
601 views
How was Opheila mistreated by male characters in Hamlet.
1 answer
asked by
Shelby
397 views
So a editoral for the school's newspaper writes advice to students in the school or there more than that.
1 answer
asked by
Laruen
390 views
given the pH (7.15)of a solution at 25deg C what is the H3O+ and OH-
1 answer
asked by
Jv
394 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
5 answers
asked by
Casey
2,547 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 answer
asked by
nicky
1,177 views
Perimiter of Rectangle is 54cm, the width is 1/2(length)... what is the width & Length of the triangle?
1 answer
asked by
Karen
340 views
what is the relationship between interactions and interdependence
1 answer
asked by
bob
282 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
2 answers
asked by
allison
979 views
oops -for my last question i meant rectangle
1 answer
asked by
Karen
253 views
What is the Antarctic Treaty System?
3 answers
asked by
rawr... im a dinosaur.... rawr
646 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 answer
asked by
Anonymous
409 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
2 answers
asked by
lalitha
1,160 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 answer
asked by
Shiny
453 views
Sally applies a total force of 71 N with a rope
to drag a wooden crate of mass 100 kg across a floor with a constant acceleration
4 answers
asked by
Jacob
2,543 views
When races are timed manually, timers start their watches when they see the smoke from the starting gun rather than when they
2 answers
asked by
AOA
725 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
7 answers
asked by
Bill
1,384 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,
2 answers
asked by
Jack
1,012 views
A scuba diver dives 100 feet below the waters surface. Later she rises 78 feet. How far below the surface is the diver?
3 answers
asked by
Tyler
639 views
hundert wasser
2 answers
asked by
nina
666 views
When a spacecraft travels from the Earth to the Moon, both the Earth and the Moon exert a gravitational force on the spacecraft.
2 answers
asked by
Sam
819 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
3 answers
asked by
MOLLY
513 views
If volume increases by 60%, how much does the surface increase by? Please show work.
1 answer
asked by
kate
312 views
Find the acceleration and tension in an Atwood's machine. Two different masses connected by a string over a pulley which is at
2 answers
asked by
jack
746 views
Select a city, town, or municipality and examinends trends in criminal activity over the last 3 yearse
6 answers
asked by
Kiera Harps
473 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 answer
asked by
Lola
360 views
A 345N load is suspended from a cable. What is the acceleration of the load if the tension in the cable is 275N£¿
2 answers
asked by
Richard
793 views
calculate the molarity of an acetic acid solution if 25.00mL of the solution required 35.25mL of 0.1200M NaOH for
4 answers
asked by
Anonymous
909 views
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