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2012
March

Questions Asked on March 1, 2012

The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point
1. 48 answers
2. asked by LeXi ;)
3. 23,635 views
Determine pH of each solution:b) 0.20 M CH3NH3I I did.... CH3NH3^+ +H2O -> CH3NH2 + H3O^+ 0.20 ---------------0--------------0
1. 2 answers
2. asked by ALISON
3. 7,608 views
What is the reaction enthalpy for CaCO3(s) --> CaO(s) + CO2(g)?should i be using a enthalpy reaction table?
1. 4 answers
2. asked by Rose Bud
3. 6,330 views
You want to have 1.5 million in real dollars in an account when you retire in 40 yeras. the nominal return on your investment is
1. 4 answers
2. asked by Sally
3. 6,223 views
You walk 50 m to the north, then turn 60° to your right and walk another 45 m. How far are you from where you originally
1. 3 answers
2. asked by SAMI
3. 5,947 views
At elevated temperatures, solid silicon reacts with chlorine gas to form gaseous SiCl4. At some temperature, the equilibrium
1. 3 answers
2. asked by jon
3. 5,216 views
what volume of 0.0100 M NaOH must be added to 1.00 L of 0.0500 M HOCl to acheive a PH of 8.00?
1. 3 answers
2. asked by jenna
3. 4,903 views
Assume a bank loan requires a interest payment of $85 per year and a principal payment of $1,000 at the end of the loan's
1. 3 answers
2. asked by Karla
3. 4,052 views
A science museum has asked you to design a simple pendulum that will make 25.0 complete swings in 85.0 {\rm s}.How long should
1. 3 answers
2. asked by Joe
3. 3,822 views
If the percent yield was 81.5%, how many grams of aluminum were used to prepare 20.0 g ofpotassium alum?
1. 2 answers
2. asked by Cynthia
3. 3,534 views
PCl5 dissociates according to the reaction: PCl5(g) ↔ PCl3(g) + Cl2(g). One mole of PCl5 was placed in one liter of solution.
1. 2 answers
2. asked by Sam
3. 3,464 views
If there are initially 1500 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t
1. 1 answer
2. asked by Emily
3. 3,107 views
An 840 Kg roller coaster car is launched from a giant spring of constant k=31 kN/m into a frictionless loop-the-loop track of
1. 1 answer
2. asked by Chris
3. 3,065 views
How many moles and how many grams of potassium alum, KAl(SO4)2 · 12 H2O, can be prepared from 5.00 g of aluminum?
1. 2 answers
2. asked by Cynthia
3. 2,873 views
Calculate the percent yield of alum if you obtained 75.0 g of potassium alum from 5.00 g Al.
1. 3 answers
2. asked by Cynthia
3. 2,824 views
Charges on the metalMgSO4 = +2 NiSO4*6H2O = +2 CoCl2*6H2O = +2 KCr(SO4)2*12H2O = +3 CuSO4*5H2O = +2 (NH4)2Cr2O7 = +2 FeSO4*7H2O
1. 3 answers
2. asked by ...
3. 2,796 views
What are factors leading to growth in lagos:Geographical Economic Political
1. 6 answers
2. asked by Lily
3. 2,653 views
How many definite integrals would be required to represent the area of the region enclosed by the curves y=(cos^2(x))(sin(x))
1. 3 answers
2. asked by Mishaka
3. 2,458 views
mariah bought a rectangular piece of land that was 3 miles long and 2 miles wide.She plans to divide into 2 sections of equal
1. 5 answers
2. asked by Bobby
3. 2,446 views
Determine pH of each solution:0.20 M KI i don't know how you know if you use.. K+H2O->KOH + H or... I- +H2O--> HIO +H Im
1. 3 answers
2. asked by ALISON
3. 2,325 views
Rewrite using only positive exponents: x−5y3how do you rewrite without negative exponents?
1. 6 answers
2. asked by katrina
3. 2,276 views
6.A resistor R1 dissipates power P when connected to a certain generator withvoltage V. If a resistance R2 is put in series with
1. 1 answer
2. asked by Anonymous
3. 2,256 views
How many calories must be supplied to 59 gof ice at −6 C to melt it and raise the temperature of the water to 61 C? The
1. 1 answer
2. asked by anonymous
3. 2,193 views
if the average salinity is 35 parts per thousand how many grams of dissolved salts will 500g of seawater contain
1. 7 answers
2. asked by jada
3. 2,109 views
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ/mol and the enthalpy of reaction is -20.0 kJ
1. 1 answer
2. asked by Mohamed
3. 2,092 views
A 1.146g mixture of the solid salts NaS)4 and PB(NO3)2 forms an aqueous solution with the precipitation of PbSO4. How would I
1. 2 answers
2. asked by Edward
3. 2,089 views
is a solution containing 35g of NaCl per 100g of water at 25 degrees Celsius, saturated, unsaturated, or supersaturated
1. 4 answers
2. asked by nakisha
3. 2,060 views
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH.a)hydrobromi
1. 1 answer
2. asked by DANNY
3. 2,017 views
1- at 12 noon, leslie recorded the temperature as 56F. the temperature had increased by 8F from 10 A.M. the temperature at 8
1. 7 answers
2. asked by dk
3. 1,969 views
Calculate the volume (in mL) of 9.0M H2SO4 that you would need to convert 0.070 moles of KAl(OH)4 to K2SO4 and Al2(SO4)3
1. 2 answers
2. asked by Cynthia
3. 1,928 views
Point B is 10 KM north of Point A and Point C is 10 Km from B on a bearing of 060 from b. Find the bearing and distance of C
1. 1 answer
2. asked by Sanjay
3. 1,920 views
A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 3 mi apart, to be angle x =
1. 2 answers
2. asked by Dan
3. 1,895 views
a worker pushes a 7kg shipping box along a roller track. assume friction is small enough to be ignored because of the rollers.
1. 1 answer
2. asked by C.
3. 1,895 views
chung ho is standing on the top of a building that is 135m tall. The angle of depression to the top of the building next door is
1. 3 answers
2. asked by Math
3. 1,894 views
A 0.50-kg block, starting at rest, slides down a 30.0° incline with kinetic friction coefficient 0.30 (the figure below). After
1. 1 answer
2. asked by Angel
3. 1,725 views
The roof of a building is shaped like a square pyramid, with a base of 18m by 18m. If the slant height of the roof is 12m and
1. 3 answers
2. asked by Just a question
3. 1,724 views
Estimation:A creek runs along a distance of 16,300 feet. About how many miles long is the creek?
1. 13 answers
2. asked by shion
3. 1,683 views
Why don’t the narrator and the other man want to hold Edward for ransom? Is their motivation internal or external?
1. 2 answers
2. asked by Shaquita Brown
3. 1,660 views
There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class
1. 3 answers
2. asked by Grace
3. 1,652 views
How do you draw an angle ABC , with A=35, AC=6cm and C=65?
1. 4 answers
2. asked by Laquela
3. 1,600 views
Which third party is an example of an economic protest party?1.)The Green Party 2.)The Populist Party 3.)The Independent Party
1. 2 answers
2. asked by Mackenzie
3. 1,600 views
When 10.0 g of KOH is added to 100.0 g water, the solution's temperature increases from (25.18 C) to (47.53 C). What is the
1. 4 answers
2. asked by Rose Bud
3. 1,598 views
Mattie drove 140 miles in the same amount of time that it took a tubropropeller plane to travel 520 miles. The speed of the
1. 1 answer
2. asked by Anonymous
3. 1,595 views
why does a sodium street lamp give off a different color light than a neon light?
1. 1 answer
2. asked by Doreen
3. 1,591 views
Jason is trying to make picnic lunches.He has 12 sandwiches, 18 apples and 30 pieces of candy.How many lunches can he mmake if
1. 1 answer
2. asked by Anonymous
3. 1,576 views
Describe how to find linear expressions for the possible dimensions of a rectangular prism with a volume of 8k(cubed) +
1. 5 answers
2. asked by Jane
3. 1,575 views
What how can I calculate the amount in moles and the mass in grams of KOH needed to convert 1.50 g of aluminum to KAl(OH)4.
1. 1 answer
2. asked by Cynthia
3. 1,561 views
Determine the scalar product of A= 3.0i + 1.0j - 2.0k and B= 3.0i - 2.0j - 3.0k
1. 2 answers
2. asked by SAMI
3. 1,511 views
Write the statement in symbols using the p and q given below. Then construct a truth table for the symbolic statement and select
1. 1 answer
2. asked by Di
3. 1,493 views
A block of copper at 100 degrees Celsius comes in contact with a block of aluminum at 20 degrees Celsius. The final temp of the
1. 1 answer
2. asked by Sue
3. 1,491 views
Graph the solution set for the system of linear inequalities y<2x+3 and y>=2x-6
1. 1 answer
2. asked by Libuse
3. 1,487 views
a school playground is in the shape of a rectangle 500 feet long and a 100 feet wide if fencing cost 15 dollars per yard what
1. 2 answers
2. asked by ash
3. 1,452 views
In Seattle on September 30, the temperature hours after midnight was given by the function y=60 + 12sin((pi/x)(x-11))What was
1. 1 answer
2. asked by Mishaka
3. 1,431 views
1. Which of the following is an example of energy transfer from the sun to a producer and then to a consumer?a. sun warms rocks;
1. 1 answer
2. asked by Cheryl
3. 1,429 views
Consider the reaction: 2 SO2(g) + O2(g) ↔ 2 SO3(g). If, at equilibrium at a certain temperature, [SO2] = 1.50 M, [O2] = 0.120
1. 1 answer
2. asked by jon
3. 1,422 views
what are the charges on the metals?MgSO4 NiSO4*6H2O CoCl2*6H2O could you just explain how you determined the first one? I can
1. 7 answers
2. asked by ...
3. 1,415 views
1. Herb Appleseed had a contract with Abrams Stores to deliver one thousand boxes of candied fruit for a St. Valentine’s Day
1. 4 answers
2. asked by Michelle White
3. 1,412 views
Pendulum A is 20 cm long and has a 5 g mass on it. Pendulum B is 30 cm long and has a 10 g mass on it. Which one has a faster
1. 1 answer
2. asked by Amber
3. 1,380 views
Please help this is due tomorrow and I don't know how to Ive missed a lot of school sickConsider the curve given by the equation
1. 1 answer
2. asked by Jessica Chaney
3. 1,358 views
Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You
1. 0 answers
2. asked by Vickie
3. 1,299 views
Current is applied to an aqueous solution of lithium sulfide. What is the cathode and what is the anode?
1. 1 answer
2. asked by Katie
3. 1,288 views
Maintaining a healthy diet can protect you from?A. Drug abuse B. Alcohol abuse C. Some cancers D. Sickle cell disease
1. 2 answers
2. asked by Taylor
3. 1,276 views
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH.A) benzoic
1. 3 answers
2. asked by DAN
3. 1,268 views
The standard molar enthalpy of fusion and the standard molar enthalpy of vaporization of benzene are 10.9 kJ/mol and 31.0
1. 2 answers
2. asked by M
3. 1,261 views
how to graph thisy=6x+20 Graph the y-intercept. Show the lines that indicate the use of slope to graph two more points Draw the
1. 0 answers
2. asked by help please help!!!
3. 1,259 views
Calculate the temperature (in ºC) to which silver ore, Ag2O, must be heated to spontaneously decompose the ore to oxygen gas
1. 4 answers
2. asked by M
3. 1,257 views
What is the volume of a metal which weighs 28g less in kerosene and the densty is 800 kgm3 than it does in air
1. 1 answer
2. asked by Luc
3. 1,253 views
Write an expression for the volume of a rectangular prism if the length is 5 feet shorter than some x amount, the width is 3
1. 1 answer
2. asked by josh
3. 1,243 views
Incorrect sentence: The report considers important factors in choosing a medical facility, ratings of services at the urgent
1. 2 answers
2. asked by Matt
3. 1,241 views
A rectangular prism has a volume of4x(cubed) + 30 x(squared) +36x. What linear expressions can represent possible dimensions of
1. 1 answer
2. asked by Jane
3. 1,231 views
A balloon rubbed against denim gains a charge of -9 µC. What is the electric force between the balloon and the denim when the
1. 0 answers
2. asked by anne
3. 1,206 views
When someone buys a ticket for an airline flight there is a 0.0995 probability that the person will not show up for the flight
1. 0 answers
2. asked by meagan
3. 1,201 views
A man with a mass of 62 kg skis down a frictionless hill that is h = 3.3 m high. At the bottom of the hill the terrain levels
1. 1 answer
2. asked by trisha
3. 1,188 views
What form of Federalism was most recently associated with the United States?. . can somebody help me please!! thanks
1. 3 answers
2. asked by lalt
3. 1,174 views
What will the molarity be if 12 drops of the blue dye solution is mixed with enough water to make one liter of solution (assume
1. 3 answers
2. asked by Kristen
3. 1,172 views
Don decided to do some landscaping in his backyard. He began by watering the lawn. The rotating sprinkler that he installed can
1. 3 answers
2. asked by Ty
3. 1,164 views
A block of mass m1 = 21.3 kg is at rest on a plane inclined by θ = 30.00 degrees. It is connected via a rope and pulley system
1. 0 answers
2. asked by ADRÝAANA
3. 1,154 views
3.30 mL of vinegar needs 43.0 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid
1. 2 answers
2. asked by karen
3. 1,147 views
A beam with a length of 7 m and a mass of 110 kg is attached by a large bolt to a support at a distance of d = 3 m from one end.
1. 0 answers
2. asked by Bar
3. 1,145 views
A condition for mechanical equilibrium is that the sum of the forces acting equal zero. Another condition is that the sum of the
1. 0 answers
2. asked by jim
3. 1,141 views
Imagine you are sitting in a car tossing a ball straight up into the air. a) If the car is moving at constant velocity will the
1. 0 answers
2. asked by annoymus
3. 1,130 views
A circular loop of wire with radius 0.0450 m and resistance 0.154 R is in a region of spatially uniform magnetic. The magnetic
1. 0 answers
2. asked by Kyle
3. 1,128 views
A crate of oranges slides down an inclined plane without friction. If it is released from rest and reaches a speed of 4.883 m/s
1. 2 answers
2. asked by ADRÝAANA
3. 1,123 views
Identify your preferred pricing strategy (penetration, skimming, prestige, odd-even, or other pricing strategies listed in
1. 3 answers
2. asked by kesha
3. 1,113 views
Find the slop of the tangent to the curve y=(10-sqrt x)(5+sqrt x) at x=25
1. 2 answers
2. asked by lydia
3. 1,113 views
A jet of water squirts out horizontally from a hole near the bottom of the tank,Assume that y = 1.19 m and x = 0.544 m. What is
1. 1 answer
2. asked by Jackie
3. 1,110 views
Which sentence is passive voice?1. The clerk made five errors. 2. Susan had been in sales for five years. 3. She asked for an
1. 1 answer
2. asked by passive voice
3. 1,093 views
Hamad is an employee of Mountain Company. He properly completed his Form 1040EZ tax return and was required to pay the IRS
1. 8 answers
2. asked by Andy
3. 1,083 views
The vertical slide ladder at the community swimming pool is 12.5 meters tall. The angle created by the top of the ladder and the
1. 1 answer
2. asked by Makenzie
3. 1,078 views
Calculate the amount in moles and the mass in grams of KOH needed to convert 1.50 g of aluminum to KAl(OH)4. Balanced equation =
1. 1 answer
2. asked by Cynthia
3. 1,070 views
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different
1. 1 answer
2. asked by Anonymous
3. 1,066 views
Simplify - 2/(the 6th root of 81)
1. 1 answer
2. asked by Liz
3. 1,062 views
For H2(g) + Br2(g) -> 2HBr(g) k=64<- Ice table: H2 Br2 HBr I 0.10 0.10 0 C -x -x +2x E Solve for HBr at equilibrium I do not
1. 6 answers
2. asked by Hannah
3. 1,061 views
Richard is flying a kite. The kite string makes an angle 57 with the ground. If Richard is standing 100 feet from the point on
1. 1 answer
2. asked by Meredith
3. 1,061 views
A recipe calls for 3 2/3 cups of orange juice.You want to make half of the recipe.How many cups of juice should you use?
1. 1 answer
2. asked by Sadie
3. 1,060 views
Nucleoside analogs and ionizing radiation are used in treating cancer. These mutagens can cause cancer, so why do you suppose
1. 0 answers
2. asked by CANANAN
3. 1,057 views
Original sentence: The urgent care center offers a variety of services such as physician appointments, mental health, health
1. 1 answer
2. asked by Maya
3. 1,049 views
a chemist has an 18% acid solution and a 36% acid solution. How many liters of each of these solutions should be mixed together
1. 2 answers
2. asked by Nancy
3. 1,048 views
A monkey is sitting on a wood plate attached to a rope whose other end is passed over a tree branch, as shown in the figure. The
1. 1 answer
2. asked by ADRÝAANA
3. 1,045 views
What is the solubility of CaF2 in a buffer solution containing .30 M HCHO2 and .20 M NaCHO2? (Consider the equation CaF2(s) +
1. 1 answer
2. asked by Anonymous
3. 1,044 views

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