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March 18, 2012
Write an equation to represent the dissociation of propionic acid (CH3CH2COOH) in water. (Type your answer using the format H2O
3 answers
asked by
Anonymous
6,329 views
A vending machine dispenses coffee into an eight-ounce cup. The amount of coffee dispensed into the cup is normally distributed
2 answers
asked by
Shamin
6,187 views
Two airplanes take off from an airport at the same time. One travels on a heading of 45 at 420 mph and the other on a heading of
11 answers
asked by
Adrianna
6,158 views
Write the general solution to y = arcsin (0.6428).
40°±360°k 140°±360°k 220°±360°k 320°±360°k How do I find the right
1 answer
asked by
Adrianna
5,960 views
The average human body contains 6.20 L of blood with a concentration of 2.40×10−5 M . If a person ingests 8.00 mL of 13.0 mM
3 answers
asked by
Mason
4,862 views
A convex mirror in an amusement park has a radius of curvature of 3.00m. A man stands in front of the mirror so that his image
4 answers
asked by
Daniel
4,080 views
What will be the equilibrium temperature when a 245-g block of copper at 285„aC is placed in a 145-g aluminum calorimeter cup
1 answer
asked by
lisa
3,254 views
LMN have vertices at L(0,4) M(-5,2),and N (2,-2). determine the equation for the perpendicular bisector that passes through MN
1 answer
asked by
jan
3,079 views
Belinda needs to find the center of mass of a sculpture she has made so that it will hang in a gallery correctly. The sculpture
1 answer
asked by
Priyanka
2,722 views
harun and kuna competed in a 200-m race.harun ran at a speed of 5 m/s.kuna ran at a speed of 8 m/s.if they started at the same
3 answers
asked by
Da S
2,605 views
Planet X has the same mass as earth, but its radius is only half as big. How does the gravity on this planet compare with the
3 answers
asked by
Stephanie
2,565 views
You have a 2.00 kg block of lead. Lead melts at 327.5°C. CPb = 130.0 , and ï�„Hf for lead is 2.04 × 104 J/kg. Say you
2 answers
asked by
Pat
2,523 views
In a computer simulation, a satellite orbits around Earth at a distance from the Earth's surface of 2.1 X 104 miles. The orbit
3 answers
asked by
John
2,445 views
A 67.0 kg person, standing on a diving board, dives straight down into the water. Just before striking the water, her speed is
1 answer
asked by
Foxxi
2,101 views
What volume of 0.500 M hydrochloric acid is required to exactly neutralize 40.00 mL 0.150 M NaOH?
2 answers
asked by
Arianna
2,047 views
Hydrogen gas and iodine gas react via the equation, H2 + I2 <--> 2HI, and K=76 at 600K. If 0.05 mole of HI is placed in a flask
2 answers
asked by
Kristen
2,006 views
A pilot wishes to fly on course 290 with an air speed of 300 knots when the wind blows from 224 at 18 knots. Find the drift
3 answers
asked by
Adrianna
1,985 views
janice scored 85% on the last test. she answered 34 questions correctly. how many questions were on the test?
6 answers
asked by
jocelyn
1,910 views
The equlibrium constant K, for the reaction, H2 + CO2 <-> H20 + CO, is 4.2 at 1650 degrees C. Initially, 0.80 mol H2 and 0.80
1 answer
asked by
Kristen
1,669 views
A force of 60 N is exerted on one end of a 1.0-m-long lever. The other end of the lever is attached to a rotating rod that is
2 answers
asked by
Mr. R
1,653 views
Times for a surgical procedure are normally distributed. Method A has a mean of 28 minutes and a standard deviation of 2 minutes
3 answers
asked by
Matthew
1,540 views
I am working on a redox stoichiometry lab. I need to calculate the moles NaBO3*4H2O.
Mass=1.0133g in 100mL solution In my
3 answers
asked by
Sheena
1,472 views
In each of the following cases, the mass is 7.99 kg and the radius is 7.50 cm.
(a) What is the moment of inertia (kg/m2 ) of a
1 answer
asked by
john
1,457 views
A 25.00 mL sample of a clear saturated solution of PbI2 requires 14.3 mL of a certain AgNO3(aq) for its titration.
I^-(from satd
2 answers
asked by
Ash
1,457 views
a plane takes off at 10.00am from an airfield, and flies at 120km/h on a bearing of N35W. A second plane takes off at 10.05am
2 answers
asked by
Anonymous
1,423 views
What is the ending balance in an account that opebs with $7000, earns 7.5% interest compound quarterly, and is held for 20
1 answer
asked by
Yvonne
1,379 views
A landscape architect is designing a triangular garden to fit in the corner of a lot. The corner of the lot forms an angle of
1 answer
asked by
Ayesha
1,375 views
A cube of ice is taken from the freezer at -8.5 degrees celsius and placed in a 100 gram aluminum calorimeter filled with 300
1 answer
asked by
Donald
1,343 views
A resonant frequency is a frequency that resonates within a tube of some length. The first resonant frequency of the average ear
3 answers
asked by
Jenna
1,322 views
Explain how the vector C⃗(Going from the head of B⃗ to the head of A⃗) can be written in terms of vectors A⃗ and B⃗
Giv
2 answers
asked by
Melissa
1,281 views
The table below shows the market basket quantities and prices for the base year (year 1)
Base year 1 Price in price Quantity base
0 answers
asked by
Hannah
1,276 views
Planet X has the same mass as earth, but its radius is only half as big. How does the gravity on this planet compare with the
2 answers
asked by
Stephanie
1,271 views
A 44.0-kg woman stands at one end of a 148 kg raft that is 6 m long. The other end of the raft is 0.5 m from a pier.
(a) The
2 answers
asked by
Priyanka
1,226 views
A student is interested in whether students who study with music playing devote as much attention to their studies as do
1 answer
asked by
kelly
1,202 views
how much heat does it take to raise the temperature of 0.10 kg of gold bt 25 C?
3 answers
asked by
Tawha
1,200 views
FIND THE SLOP of line containing points(-2,8) and (3,5)
2 answers
asked by
Anonymous
1,196 views
Can someone help me with my business law project? I have to profile (interview) six legal professions.
One of the people I picked
0 answers
asked by
chocolate
1,192 views
if you were going to leave your home and your kids put you to aged care facility how would you feel and how would you think and
1 answer
asked by
sarah
1,175 views
Da Ming walks from his school to his house at a speed of 5km/h.he takes 20 minutes to reach home.what is the distance between
1 answer
asked by
Da S
1,164 views
A customer is buying a $100 drill and two $15 drill bit sets. The customer uses a gift card worth $50 to pay for a portion of
2 answers
asked by
Anonymous
1,157 views
two cars leave an intersection. one car travels north; the other east. when the car traveling north had gone 15 miles, the
1 answer
asked by
amanda
1,156 views
a ladder is resting against a wall. the top of the ladder touches the wall at a height of 6 feet. find the length of the ladder
1 answer
asked by
amanda
1,154 views
You mix 40.0 g of ethanol (C2H5OH, molecular weight = 46.1 g/mol) and 60.0 g of water (molecular weight = 18.0 g/mol) The
13 answers
asked by
Jen
1,142 views
A document is to contain 80cm squared of print. The margins at the top & bottom are each 2cm wide and margins on each side are
0 answers
asked by
Khateeb
1,136 views
The amount of water bucket holds,if b litres of water is added to the bucket already holding 4 litres of water.what is going to
3 answers
asked by
Patricia
1,135 views
calculate the solubility of barium sulfate (Ksp=1.1x10^-10) in
a) water b) a 0.10 M barium chloride solution help is GREATLY
1 answer
asked by
brooke
1,119 views
A saturated solution is prepared by dissolving 3.2 g of a salt in 9.10 g of water to yield a saturated solution. What is the
2 answers
asked by
Riley
1,118 views
what is the kyoto protocol?
1 answer
asked by
Steph
1,117 views
In the following test for Sulfated Ash, ammonium carbonate solution was added. What is the purpose of adding ammonium carbonate
1 answer
asked by
anne
1,089 views
P17-3 (Available-for-Sale Investments) Cardinal Paz Corp. carries an account in its general ledger called Investments, which
0 answers
asked by
Yo
1,087 views
A scientist measures the standard enthalpy change for the following reaction to be -53.4 kJ :
Ca(OH)2(aq) + 2 HCl(aq) CaCl2(s) +
1 answer
asked by
Austin
1,082 views
Suppose R is the rectangle 1<=x<=4, |y|<=2 and evaluate the double integral ∫R∫f(x,y)dA, where f(x,y)= y/(1+3x^4)^(1/2).
I
1 answer
asked by
Bryant
1,065 views
Use diagrams of the Market for Loanable Funds and the Market for Foreign Currency to describe what would happen to the net
0 answers
asked by
Agent
1,051 views
Factor the following trinomial:
12x^2 - 11x + 2 Please help I have no idea how to do this!
2 answers
asked by
Anonymous
1,020 views
A scientist measures the standard enthalpy change for the following reaction to be -53.4 kJ :
Ca(OH)2(aq) + 2 HCl(aq) CaCl2(s) +
1 answer
asked by
Austin
1,016 views
briefly summarizing the theory and discussing at least two of the “Seven Intelligences” that apply most closely to you,
2 answers
asked by
chris
1,015 views
How drug addiction is a human factor that may cause ill health,accidents crises or disaster
2 answers
asked by
Nokthula
1,014 views
At a local park, there is a large circular fountain feature that is 50 feet across,
surrounded by a path that is 8ft wide. A
1 answer
asked by
kim
1,010 views
the passage makes it clear that aunt georgiana??
1 answer
asked by
selena
994 views
Ms Sue, here is the second and last part, concerning Stevenson's biography. Thank you very much for helping me.
1) Robert Louis
1 answer
asked by
Matthew
971 views
Convert from polar to rectangular r=3cos2theta
3 answers
asked by
Tati
955 views
Writeacher, I urgently need you to revise the introductory part of Chapter 10 (Dr Jekyll and Mrs Hyde). Can you check
0 answers
asked by
Matthew
951 views
Pure water boils at 100ºC (212ºF). When a substance is added to the water the boiling point increases due to what is referred
1 answer
asked by
Hannah
950 views
The table below shows the market basket quantities and prices for the base year (year 1)
Base year 1 Price in price Quantity base
0 answers
asked by
Hannah
917 views
I need to graph the line y=-4x-3 using the slope and y intercept form how do i do this
2 answers
asked by
Janine
894 views
the fax corporation bought a fax machine for $700. the fax machine depreciates at a rate of $25 a month
A) Find a function F that
1 answer
asked by
kim
890 views
If you have 4.90 moles of Ba, how many liters of N2 would you have at STP?
1 answer
asked by
Tom
886 views
What is the complete chemical equation?
Al(s) + Cu(CH3COO)2(aq) -> ?
1 answer
asked by
Zoe
868 views
0.0412 = 0.0015 - x / 0.025 + 1/2x
Solve for x. 0.0412 = 0.015-x / 0.525x I am not sure where to go from here since there are two
15 answers
asked by
Hannah
867 views
the height of a box is 6 inches. the length is three inches more than the width. find the width if the volume is 240 cubic
1 answer
asked by
amanda
866 views
In each of the following cases, the mass is 7.99 kg and the radius is 7.50 cm.
(a) What is the moment of inertia (kg/m2 ) of a
1 answer
asked by
john
863 views
A skier starts from rest at the top of a hill that is inclined at 12.0° with the horizontal. The hillside is 180.0 m long, and
1 answer
asked by
smh
855 views
lisa began her journey from home at 1350 and reached her destination at 1415.
A.how long did she take for the whole journey? B.if
1 answer
asked by
Da S
841 views
find a vector equation of the line, which passes through the point (1,3,11) and is perpendicular to the yz-plane
2 answers
asked by
kally
834 views
The force of repulsion that two like charges exert on each other is 3.0 N. What will the force be if the distance between the
1 answer
asked by
Cookie
827 views
the area of a square is numerically 165 more than the perimeter. find the length of the side
1 answer
asked by
amanda
823 views
A 24 foot ladder is leaning against a building. Let x be the distance between the bottom of the ladder abd the building and let
1 answer
asked by
Lynn
815 views
what was vimy ridge
1 answer
asked by
ted
798 views
In a 180 kilogram sample of ore, there was 3.2% of metal. How many kilograms of metal were in the sample?
1 answer
asked by
jocelyn
793 views
Writeacher, I urgently need you to check these sentences. Thank you.
1) You forgot to mention the fact that Robinson keeps
1 answer
asked by
Matthew
787 views
a. Exactly 4.000 mol of NH3 is burned in a constant volume (bomb) calorimeter immersed into 100.0kg of water. The temperature of
4 answers
asked by
Wendy
755 views
Consider a game where Ann and Bob play against each other in a dice game, Ann wins if her score is higher than Bob's, Bob wins
0 answers
asked by
mary
754 views
1. What Argentine river has the same name as one of the states in the United States? The Colorado River
2. What landform is part
1 answer
asked by
Reed
748 views
For the following reaction, the equilibrium constant
KC = 97.0 at 900 K. If the initial concentrations of NH3 and H2S are both
13 answers
asked by
Riley
736 views
Calculate the pH of 100.0 mL ofa buffer that is 0.070 M NH4CL and 0.130 M NH3 before and after the addition of 1.00 ml of 5.55 M
1 answer
asked by
Jamie
724 views
In the word ecologists, is eco the root morpheme or ology? Are the morphemes eco, log, y, ist, s or ec, ology, ist, s ?
This is
0 answers
asked by
Matt
705 views
given the function k described by k(x)=x+20 find each of the following
k(0)= k(-12)= k(-9)= k(15)= k(y+1)=
1 answer
asked by
coco
694 views
A sphere has a radius of 0.20 meters and has a uniform surface charge density equal to 6.3 micro coulombs per meter squared. A
0 answers
asked by
doug
681 views
A certain form of albinism in humans is recessive and autosomal. Assume that 1% of the individuals in a given population are
0 answers
asked by
Anon
673 views
Use the Pythagorean distance formula to calculate the distance between the
following points on a graph: (-7,-3) (8,-11)
1 answer
asked by
kim
665 views
A buffer solution was prepared by mixing 442 mL of 0.181 M NaOCl and 139 mL of 0.421 M HOCl. Calculate the pH of the solution
1 answer
asked by
cathy
661 views
Your kids have asked you to set up a cable fromtheir tree house to the ground
so that they can slide down quickly when it’s
1 answer
asked by
kim
657 views
Could you please check these sentences?
Thank you very much, Writeacher. 1) Your paragraphs show a good knowledge of the literary
0 answers
asked by
Matthew
656 views
A cell phone, when weighed in air has a weight of 5.5 newton. When completely immersed in water, however, it has a weight of 3.3
1 answer
asked by
Loiso
655 views
i have a few problems can you check?
1. which number is 1.92509 rounded to the nearest ten - thousandths? a 1.9251 b. 1.9250 c.
1 answer
asked by
marko
653 views
A water bed has a dimension of 2m × 2m × 2m. The floor of the bed will tolerate an additional load of no more than 600N. Find
1 answer
asked by
Loiso
653 views
The original equation was
1.7e-3 = (0.0015 -x)^2 / (0.025 +1/2x)(0.025 + 1/2x) Square root of both sides is 0.0412 = (0.0015-x) /
7 answers
asked by
Hannah
652 views
A water bed has a dimension of 2m × 2m × 2m. The floor of the bed will tolerate an additional load of no more than 600N. Find
1 answer
asked by
Loiso
650 views
The equilibrium constant KP for the following reaction is 4 atm^2 at 300 K. AB(s) ---> A(g) + B(g)
What is the equilibrium
9 answers
asked by
Wendy
648 views
Can someone help me with my business law project? I have to profile (interview) six legal professions.
One of the people I picked
1 answer
asked by
chocolate
648 views
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