# Anita

Most popular questions and responses by Anita-
## chemistry 100

How do I disassociate Li2CO3 I have tried Li_2CO_3--> 2Li^+ + 3CO^2- What am I doing wrong?

*asked on December 13, 2012* -
## College Chemistry

Which of the following ions possess a dipole moment: ClF2+, ClF2-, IF2+, or IF4-?

*asked on May 8, 2011* -
## chemistry

•Which of the following solutions will be the best buffer at a pH of 9.26? (Ka for HC2H3O2 is 1.8 x 10–5; Kb for NH3 is 1.8 x 10–5.) a)0.20 M HC2H3O2 and 0.20 M NaC2H3O2 b)3.0 M HC2H3O2 and 3.0 M NH4Cl c)0.20 M NH3 and 0.20 M NH4Cl d)3.0 M NH3 and

*asked on January 4, 2015* -
## Inorganic Chemistry

Which of the following ions possess a dipole moment: ClF2+, ClF2-, IF2+, or IF4-? Please Help! :)

*asked on May 8, 2011* -
## physics

One gallon of paint (3.79 Liters) covers an area of 25.8 m2. What is the thickness (in mm) of the fresh paint on the wall.

*asked on August 30, 2012* -
## Finance 370

suppose the market price of corn is $5 a bushel but the government sets a price of $7. As a result,

*asked on June 5, 2012* -
## Maths

A closed tin of milk has a diameter of 10 cm and height 16 cm , find the total surface area of the tin {take pie to be 22/7}

*asked on January 4, 2016* -
## algebra (23)

How do you set up this problem? A boater travels 16 miles per hour on the water on a still day. During one particular windy day, he finds that he travels 48 miles with the wind behind him in the same amount of time that he travels 16 miles into the wind.

*asked on November 9, 2007* -
## physical science

how many centimeters long is the proverbial "10 foot pole?" show work

*asked on March 3, 2016* -
## Calculus

1) Which are true about the differential equation dy/dx = (x)/(x-4) I.will have a slope field with negative slopes in quadrant I II.will have a slope field with positive slopes in all quadrants III.will produce a slope field with columns of parallel

*asked on June 20, 2018* -
## chemistry

a typical alberta home heated with natural gas assume methane CH4 (g) consuems 2.00ML of natural gas during the month of December. What volume of oxygen at SATP is required to burn 2.00ML of methane measured at 0 degrees and 120 kPa? the answer is 2.62ML

*asked on March 23, 2012* -
## Asteronomy

If Taurus is now rising at sunset, which constellation will rise at sunset next month?

*asked on August 26, 2011* -
## Physics

A pole AB of length 10.0m and weight 800N from the end A and lies on horizontal ground. The end B is to be lifted by a vertical force applied at B calculate the least force that is required to do this.

*asked on April 21, 2019* -
## physical science

a flower pot is dropped out a twentieth story window. how fast will it be moving after 7 seconds? how much is the acceleration 3 seconds after it falls?

*asked on March 3, 2016* -
## PRE-ALGEBRA

SOLVE EACH FORMULA. F=5GH FOR H

*asked on September 22, 2007* -
## Chemistry

For how long must a current of 1.5 ampares be passed through an aqueous solution of a copper salt .during electrolysis in order to deposited 2.50g of copper (cu 63.5)?

*asked on June 4, 2019* -
## Chemistry

Very small crystals composed of 1000 to 100,000 atoms, called quantum dots, are being investigated for use in electronic devices. (a) Calculate the mass in grams of a quantum dot consisting of 1.400 104 atoms of silicon. (b) Assuming that the silicon in

*asked on June 1, 2010* -
## physical science

a piece of metal has a mass of 85 cg and a volume of 450L. What is its density in g/cm^3? What would be the mass of 300cm^3 of this metal? What would be the volume of 200 ounces of this metal?

*asked on March 3, 2016* -
## Maths

A soak away was dug by 5 men in 24 days. How many days will it take 15 men to dig it if they were to work at the same rate.

*asked on January 4, 2016* -
## Maths

Solve the equation: 3x-2/8 = 8+5x/2

*asked on January 6, 2016* -
## math

explain how you can use a number line to show that 3/6 and 1/2 are equivalent fractions?

*asked on March 3, 2015* -
## science

Which of these is a pure substance? grape juice, salt water, table salt or gasoline?

*asked on September 15, 2008* -
## Calculus

A girl throws a tennis ball straight into the air with a velocity of 64 feet/sec. If acceleration due to gravity is -32 ft/sec2, how many seconds after it leaves the girl's hand will it take the ball to reach its highest point? Assume the position at time

*asked on June 19, 2018* -
## PHYSICS helppp!!!

A conductor consists of a circular loop of radius R and two straight, long sections The wire lies in the plane of the paper and carries a current I. Find an expression for the vector magnetic field at the center of the loop

*asked on November 10, 2013* -
## algebra

Annie and Ravi have two candles. One of them is one inch longer than the other. Annie lights the longer candle at 7:00 and RAvi lights the shorter candle at 8:30. At 11:00 the two candles are the same length. The shorter candle burns out at 12:30 and the

*asked on February 11, 2015* -
## chemistry

a saturated solution of barium chloride at 30c contains 150g water. how much additional barium chloride can be dissolved by heating this solution to 60c

*asked on November 30, 2013* -
## math

For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger rectangle to the length of the smaller rectangle is 7:5. What is the ratio of the area of the two rectangles?

*asked on February 11, 2015* -
## Physics

Amy walks at an average speed of 1.75 m/s toward her airport gate. When she comes within 57.5 m of her gate, she gets onto and continues to walk on a people mover at the same rate. (A) If she arrives at the gate 15.3 seconds after getting on the people

*asked on January 8, 2015* -
## PHYSICS

A conductor consists of a circular loop of radius R and two straight, long sections The wire lies in the plane of the paper and carries a current I. Find an expression for the vector magnetic field at the center of the loop

*asked on November 9, 2013* -
## Chemistry

What is the mass, in grams, of 4.56 1023 molecules of aspirin, C9H8O4?

*asked on June 1, 2010* -
## Math

What value for function y=3cos(t-pi) + 2 gives an instantaneous rate of change of 0? a) 0 b) pi/2 c) pi/3 d) pi/4

*asked on January 19, 2012* -
## Com/330

What are two practical applications for communications research?

*asked on March 2, 2013* -
## chemistry

(a) The phase diagram of the binary system, neodymium-scandium (Nd-Sc) is given below. There are two polymorphs in the solid state: α which is hexagonal close packed (HCP) and β which is body-centered cubic (BCC). Identify all phases present at points 1,

*asked on December 17, 2012* -
## MATH

PIGS HAVE 4 LEGS - CHICKENS HAVE 2 EACH ... IF YOU HAVE A TOTAL OF 50 LEGS ON 18 TOTAL ANIMALS HOW MANY CHICKENS AND HOW MANY ARE PIGS?

*asked on January 23, 2008* -
## chemistry

Lead chloride dissolves in water according to PbCl2(s)↔Pb2++2Cl−(aq) The solubility in pure water has been measured to be 4.44 g⋅L−1. Calculate the solubility product of lead chloride in pure water. Your answer should be in units of molarity raised

*asked on December 17, 2012* -
## Business Plan

How do I answer this question for a cleaning business . How will your business grow and where will you see your business in five years?

*asked on December 25, 2013* -
## math

For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger is 7:5. What is the ratio of the area of the two rectangles?

*asked on February 11, 2015* -
## poetry, part 2

hopkins use of seared, bleared, and, smeared is an example of?

*asked on March 14, 2011* -
## Managerial Accounting

a ski company plan to add five new chai500 a day for the lift. the lifts cost 2 million and to install the lift cost another 1.3 mil.The lift will allow 300 additional skiers on the slopes but only 40 days a year will be needed. The company will sell 300

*asked on August 23, 2009* -
## algebra (21)

A polot flies 630 miles wit a tail wind of 35 miles per hour. Against the wind, he flies only 455 miles in the same amount of time. Find the rate of the plane in still air.

*asked on November 9, 2007* -
## College Physics

At what frequency does the inductive reactance of a 42.0 µH inductor equal the capacitive reactance of a 42.0 µF capacitor? kHz

*asked on November 30, 2013* -
## Maths

Use log to solve 2.647*0.00921/0.05738

*asked on October 2, 2019* -
## Algebra

In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra

*asked on January 11, 2010* -
## Maths

The ratio of the corresponding sides of two similar triangles are 2:5.Calculate the area of the larger triangle if the area of the smaller triangle is 28 square.

*asked on January 4, 2016* -
## chemistry

The fictitious compound, pandemonium carbonate Pn(CO3)2 hase a Ksp=3.091×10−9 M3 in water at room temperature. Calculate the solubility of Pn(CO3)2 in an aqueous solution of 1.11 M pandemonium sulfate Pn(SO4)2 (aq). Express your answer in units of

*asked on December 17, 2012* -
## chemistry

When 0.320 moles of NH4Cl is dissolved in 1.00 L of water, the temperature drops by 13.7 degrees C. What is the heat of solution of ammonium chloride? The solution has a density of 1.0012 g/mL and a specific heat of 0.9818 cal/g degrees C. How do you find

*asked on April 7, 2010* -
## math

kx^2 + (k+2)x -3 =0 has roots which are real and positive. Find the possible values that k may have. I understand that I have to use the discriminant to solve this, but I can't seem to get the answer right, so I really need help!!

*asked on September 28, 2014* -
## economic

what is the total size of the cleaning market. what is the current demand in target market. trends in target market-growth trends,trends in consumer preferences and trend in product development. please help

*asked on February 21, 2014* -
## chemistry

The solubility of the fictitious compound, administratium fluoride (AdF3) in water is 3.091×10−4 M. Calculate the value of the solubility product Ksp.

*asked on December 17, 2012* -
## statistics

Using the numerical data for your team project, conduct a two sample, two-tailed hypothesis test for the mean, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = p-value = Reject the null hypothesis

*asked on July 8, 2012* -
## Finance 370

a bond that has a $1000 par value (face value) and a contract or coupon interest rate of 10.9%. The bonds have a current value of $1,120 and will mature in 10 years. The firm's marginal tax rate is 34%. The cost of capital from this bond debt is what

*asked on June 6, 2012* -
## chemistry

Consider the gold-platinum system which has a value of delta w of -4250 J/mole; (a) Calculate the enthalpy of mixing for a solution of 10% platinum and 90% gold. Express your answer in units of kJ/mole.

*asked on December 17, 2012* -
## i dont know this word...reading a website

what does omni-powerful mean?

*asked on November 10, 2008* -
## CHEM URGENT PLZ

1.Which of these substances has bent molecular geometry around the oxygen atom? Multiple correct answer may apply. a.water b.isopropyl alcohol (rubbing alcohol)** c.acetone** d.diethyl ether. 2.Which of these species are polar? Ignore slightly polar C-H

*asked on May 9, 2008* -
## Home language

What prefix you can add to the word represent

*asked on April 3, 2019* -
## maths

Volume of prism 1296 cube cm height 16/√3cm find whole surface area.

*asked on January 19, 2015* -
## algebra

Can someone show me how to set this up rational expressions. A pilot can travel 400 miles with the wind in the same amount of time as 336 miles against the wind. Find the speed of the wind if the pilot's speed in still air is 230 miles per hour.

*asked on November 9, 2007* -
## Math

Marcus divided his rectangle into five equal parts. He plans to color the rectangle red,white,blue,green and orange what is the area of the part of the rectangle he will color red?

*asked on January 29, 2018* -
## Business plan

Explain the fundamentals of the proposed business.. if I know the services I will supply please give me examples how I can make a profit I have a cleaning business. thank you

*asked on January 4, 2014* -
## PHYSICS

A proton moves with a velocity of vector v = (6i hat bold - 3j hat bold + k hat bold) m/s in a region in which the magnetic field is vector B = (i hat bold + 2j hat bold - 3k hat bold) T. What is the magnitude of the magnetic force this charge experiences?

*asked on October 28, 2013* -
## Health care Information System, Question 2

Collecting Information Predict ways that the collection of patient information will become more efficient, expansive, and accurate during the next 20 years. Provide specific examples to support your response.

*asked on October 10, 2012* -
## algebra math 208

write each equation in slope-intercept form y+3= -3(x - 6)

*asked on July 15, 2010* -
## algebra

siplify the expression 1/4(6b +2) - 2/3(3b-2)

*asked on July 14, 2010* -
## computers

In creating a professional action plan, it's important to

*asked on July 10, 2008* -
## English

Whats a correct principal part of a verb , and infinitive part of a verb? Verbs have three principal parts, although some dictionaries and grammars list four. So I'll show you four in case that's what you are supposed to know. For "regular" verbs: Base

*asked on September 6, 2006* -
## Maths

what is the formula for calculating area of shaded part

*asked on January 9, 2016* -
## Law/421

Sam is a high school math teacher. And, Becky is a student in his math class. During parent-teacher conferences, "Teacher Sam" tries to intimidate Becky's parents by telling them: "I'll teach your daughter math during class if you give me $1000." Is this a

*asked on August 2, 2012* -
## math

WHAT IS 90 OUT OF 270?ROUND TO THE NEAREST TENTH OF A PERCENT?

*asked on September 4, 2011* -
## Math

Residents of a small city voted on whether to allow a developer to build a shopping center. The number of voters in favor of the shopping center was 4,400. The number of voters against the shopping center was 17,600. What percent of voters were in favor of

*asked on April 8, 2018* -
## Maths

the monthly charge C of an electricity company is made up of follows:A constant charge a and A charge which varies directly as N the number of units used . when N=80 C =820 naira . When N =124 , C =1040 naira find the relationship between C and N ,find C

*asked on January 9, 2016* -
## maths lit,physics,life science n tourism

i don't know which career to choose can you help me ?I'm doing grade 11.

*asked on November 12, 2015* -
## math

determine known length for a triangle one side is 2.5cm other side 1.6cm find how solve the third side

*asked on October 9, 2014* -
## business

research please assist how do you start a hospital please give websites for contact information thank you

*asked on April 22, 2014* -
## PHYSICS

A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is

*asked on October 28, 2013* -
## CHEMISTRY

The fictitious compound, pandemonium fluoride (PnF2) has a Ksp value in water of 3.091×10−9M3 at room temperature. Calculate the solubility of PnF2 in water. Express your answer in units of molarity.

*asked on December 17, 2012* -
## Health care Information System

Analyze the points at which information is collected during an in-patient encounter, determine the most likely point (or points) at which mistakes in that collect could occur, and recommend steps to avoid the mistake you identified.

*asked on October 10, 2012* -
## statistics

Using the categorical data for your team project, conduct a two sample, two-tailed hypothesis test for the proportion, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = p-value = Reject the null

*asked on July 8, 2012* -
## statistics

H0: ƒÊX = ƒÊY The mean (average) gas price in city X equals the mean (average) gas price in city Y during January 2012. H1: ƒÊX ‚ ƒÊY The mean (average) gas price in city X does not equal the mean (average) gas price in city Y during January

*asked on July 8, 2012* -
## Statistics

Using the numerical data for your team project, conduct a two sample, two-tailed hypothesis test for the mean, with a 0.05 level of significance. Find and interpret each step. H0: H1: Test statistic = Critical value = p-value = Reject the null hypothesis

*asked on July 8, 2012* -
## Finance 370

what is the future value of $5,000 in a bank account for 7 years at 4 percent compounded bimonthly

*asked on June 22, 2012* -
## Calculus and vectors

A plane, π, has 3x-5z+3=0 as its Cartesian equation. Determine the Cartesian equation of a plane that is perpendicular to π and contains the point P(2,9,-3)

*asked on April 9, 2012* -
## Res/341

what are some ways to reduce bias in focus groups or any data collection method?

*asked on March 23, 2012* -
## RES/341

what are some commonly researched areas in business?

*asked on March 14, 2012* -
## statistics

Come up with a unique way to choose random samples from a specific data set, also explain how you will assign each data item and how each item will be selected

*asked on November 9, 2010* -
## Chemistry

How many moles of ammonium ions are in 0.807 g of ammonium carbonate?

*asked on June 1, 2010* -
## english

choose the phrase that's correctly capitalized? A-an italian grocery B-the prudential building C-the renaissance D-CHEMISTRY 101

*asked on July 5, 2008* -
## English Survey(please post)

what book do you think should be made into a movie? and why?(please state reason clearly.) consider the questions below: what's the benefit if it was made into a film? is there something that you think can be presented in the movie better than the book?

*asked on May 21, 2007* -
## English

what is the preposition, conjunction, and artical of these sentances? 1. Stan enrolled in the driving course, and he looked forword to his first lesson. 2. He read a book of instructions or rules of the road. 3.Then, He practiced all the driving

*asked on September 6, 2006* -
## math

how many pieces would that be a month

*asked on April 10, 2016* -
## Maths

A cuboid is 24 cm long ,20 cm wide and 15 cm high . A similar cuboid is 16 cm long . what is it's height

*asked on January 6, 2016* -
## Maths

The angle of depression of a point g on a horizontal ground top , T of an electric pole is 25 degrees .if the distance from g to the foot of the pole is 45 m , calculate the height of the pole to the nearest whole number.

*asked on January 4, 2016* -
## chemistry

A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the total surface area of the balloon is 0.57 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

*asked on December 15, 2012* -
## Health care Information System 4

"Quality Improvement and Measurement" Discuss the challenges associated with measuring the quality of health care data and ways that those challenges may be addressed. Provide specific examples to support your response.

*asked on October 16, 2012* -
## Health care Information System, Question 4

From your own Internet research, to find a report card for one or more of your local hospitals. From the e-Activity, discuss how you would use the information you found on the report card if you or a family member needed health care. Describe the effect

*asked on October 10, 2012* -
## Health care Information System, Question 3

From your own Internet research, to find a report card for one or more of your local hospitals. "Using Information" Please respond to the following: Create a very brief scenario (1-2 sentences) in which specific information should be collected. Determine

*asked on October 10, 2012* -
## physics

ignoring air resistance, describe how an object would fall to the ground using the words velocity and acceleration for a ball that is thrown straight up: a.) the velocity is __on the way up (increasing, decreasing, constant, zero) b.)the velocity is __at

*asked on October 9, 2012* -
## fourth grade math

the passengers of a cruise ship were shocked to learn that their ship was sinking. the ship is 218 ft tall and is sinking at the rate of 1/2 ft per minute. how long do the passengers have to abandon the ship?

*asked on June 5, 2012* -
## chemistry

In class, we did a decomposition reaction of sodium hydrogen carbonate, which makes water, carbon dioxide, and sodium carbonate. How do you know when sodium hydrogen carbonate is completely reacted?

*asked on January 31, 2012* -
## math

do you under stand similar figures

*asked on December 8, 2011* -
## Math

-4/5x=x+-1/5

*asked on July 5, 2011*