# SHARON

Most popular questions and responses by SHARON-
## Chem

Complete the Bronsted lowry reactions HPO42-+H+ HPO42-+OH-

*asked on February 21, 2014* -
## Life Span Development

Question 1 1-The quality of a children’s attachments has been found to affect a-what children expect social interactions to be like. b-whether children remember positive or negative aspects of events better. c-children’s concepts of themselves. d-all

*asked on December 16, 2014* -
## science

First, you will investigate purely vertical motion. The kinematics equation for vertical motion (ignoring air resistance) is given by y(t)=y0+v0t−(1/2)gt2, where y0=0 is the initial position (which is 1.2 m above the ground due to the wheels of the

*asked on November 29, 2015* -
## physics

a car with a mass of 1.50 x 10^3 kg starts from rest and acceleration to a speed of 18.0 m/s in 12.0 s. Assume that the force of resistance remains constant at 400.0 N during this time. What is the average power developed by the cars engine

*asked on November 9, 2016* -
## Math Perimeter

Draw a figure with 22 units

*asked on February 25, 2013* -
## statistics

It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific

*asked on August 22, 2010* -
## Chemistry

Indicate how each of the following would affect the value of the absorbance (too high, too low, or not effect) of the indicated solution. I really need help. I do not understand these questions! This is from a chemistry activity to determine the unknown

*asked on February 28, 2012* -
## chemistry

The complete combustion of ethanol, C2H5OH (FW = 46.0 g/mol), proceeds as follows: C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l) ΔH = −555 kJ What is the enthalpy change for combustion of 15.0 g of ethanol

*asked on October 22, 2015* -
## Chemistry!

1. Write balanced equations for each of the following processes. a. Chromium- 51, which targets the spleen and is used as a tracer in studies of red blood cells, decays by electron capture. b. Iodine-131, used to treat hyperactive thyroid glands, decays by

*asked on January 27, 2011* -
## probability

A batch of 350 raffle tickets contatins 4 winning tickets. You buy 4 tickets. What is the probability that you have: a.) No winning tickets? b.) All winning tickets? c.) At least one winning ticket? d.) At least one non-winning ticket?

*asked on October 7, 2009* -
## Chemistry

If 0.630 grams of HNO3 (molecular weight 63.0) are placed in 1 liter of distilled water at 25 degrees C, what will be the pH of the solution? (Assume that the volume of the solution is unchanged by the addition of the HNO3.) A. 0.01 B. 0.1 C. 1 D. 2 E. 3

*asked on January 24, 2011* -
## Chemistry

For a solution that is 0.20 M HCN(aq) with a Ka=4.9x10^-10 a. calculate the [H+] b. calculate the [OH-] c. what's the pH? Please show your work on how to solve it. Thank you

*asked on January 27, 2011* -
## Psychology

If there is no conflict resolution in place, a career minded person must learn effective ways of resolving conflict in the workplace by becoming a better communicator and listening. These two steps are great preventive measures in conflict cases. Workers

*asked on October 23, 2011* -
## phyics

Four cars undergo acceleration as described by the data in the following table. Car Initial Velocity (m/s) Final Velocity (m/s) Time period (s) A 2.0 11.0 3.0 B -5.0 3.0 2.0 C 1.0 -5.0 2.0 D 0.0 25.0 10.0 Rank the accelerations from most positive to most

*asked on September 12, 2015* -
## chem

If 20g of CaCo3is treated with 20gm of HCl how many grams of CO2 can be generated CaCO3+2HCl gives CaCl+H2O+CO2

*asked on September 29, 2015* -
## physics

You are pushing a 30-kg wooden crate across the floor. The force of sliding friction on the cate is 90 N. How much force, in newtons, must you exert on the crate to keep it moving with constant velocity?

*asked on October 17, 2011* -
## Child Psychology

I need help, could someone please check my answers to these five questions below. If I answered any that were wrong, please help me to identify the right answer. Thank you. 3. Even though her mother-in-law insists she is wrong, Danielle knows that which of

*asked on July 20, 2011* -
## Quantiative Methods

Industrial Designs has been awarded a contract to design a label for a new wine produced by Lake View Winery. The Co estimates that 150 hours will be required to complete the project. The firm's three graphics designers available for assisgment to this

*asked on November 10, 2007* -
## science

What is the pathaway and processes of ingestion involved when a person has eaten a buttered polony sandwish?

*asked on May 10, 2016* -
## Chemistry; Please help

Write formulas for the following. 1. potassium hexacyanoferrate(III) 2. sodium hexafluoroaluminate 3. Pentaaquabromomanganese(III) sulfate 4. hexaamminechromium(III) nitrate 5. sodium tetrahydroxochromate(III) 6.trans-dichlorobis(ethylenediamine)cobalt

*asked on January 26, 2011* -
## Pre-Calculus

I need help with this problem: The bearing from the Pine Knob fire tower to the Colt Station fire tower is N 65 degrees E, and the two towers are 30 kilometers apart. A fire spotted by rangers in each tower has a bearing of N 80 degrees E from Pine Knob

*asked on April 2, 2008* -
## Chemistry

1. Write balanced equations for each of the following processes. a. Chromium- 51, which targets the spleen and is used as a tracer in studies of red blood cells, decays by electron capture. b. Iodine-131, used to treat hyperactive thyroid glands, decays by

*asked on January 26, 2011* -
## life sciences

Describe how the products of the light phase of photosynthesis are used to form a glucose molecule and how this molecule is then broken down in the cell of a plant to release energy

*asked on July 17, 2016* -
## L.O

Critically discuss 5 ways in which in which xenophobia imapact on the community?

*asked on May 6, 2013* -
## Physics

A 300 g bird flying along at 6.2 m/s sees a 10 g insect heading straight toward it with a speed of 27 m/s (as measured by an observer on the ground, not by the bird). The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed

*asked on March 28, 2011* -
## finance

computing checking account balance. based on the following information,determine the true balance in your checking account. balance in your checkbook-$356 balance on bank statement,$472 service charge and other fees, $15 interest earned on account $4 total

*asked on February 11, 2012* -
## physics

a force of 0.8N stretches an elastic spring by 2cm. find the force constant. f e = k=? f=ke 0.8=0.02 * k k=0.8/0.02 k=40N/m

*asked on May 11, 2017* -
## psychology

Do I have the correct answer to this question? 1. The overarching Gestalt principle of perceptual organization is that of: is =D) similarity. A) complexity. B) simplicity. C) symmetry. D) similarity.

*asked on June 6, 2011* -
## math

the path of a cliff diver as he dives into a lake is given by the equation y=-(x-10)power of 2 + 75...where y meters is the divers height above the water and x metres is the horizontal distance travelled by the diver. what is the maximum height the diver

*asked on May 3, 2015* -
## probability

The offices of president, vice president, seceretary, and treasurer for a club will be filled from a pool of 12 candidates. Five of them are members of the debate team. What is the probability that all the offices are filled by memebers of the debate team?

*asked on October 6, 2009* -
## english

i have to take out embellishments, misquotations,false benefits and unethical tactics out of these sentence can some one help me 1. Storm damage done to water filtration plant #3 was mimimal. While we had to shut down temporily, servive resumed to meet

*asked on January 13, 2012* -
## Statistics

If mean of 1, 2, 3, --------- n is 6n/11, then n is

*asked on July 27, 2011* -
## Microbiology

. If you counted 20 colonies from a 0.01-ml inoculum of a 1:10 dilution of urine, how many organisms per milliliter of specimen would you report? Is this number significant?

*asked on January 16, 2018* -
## psychology

My instructor assign me of one the "senses." This the one my instructor had assign to me= “The Skin Senses”: Which includes Touch, Pressure, Temperature, and Pain. The instruction is to (Briefly describe how The Skin Senses work and its importance.

*asked on June 15, 2011* -
## probability

How many ways can 12 people be seated about a round table?

*asked on October 8, 2009* -
## Math Perimeter

Draw a figure with the given perimeter, 10 units.

*asked on February 25, 2013* -
## Early Childhood Psychology

Can someone please let me know if I chosen the right answers for my six questions below? If I did not choose the right answers could you please let me know which answer is the correct one? Thanks 1) In Piaget's theory, a symbol is closest to a(n) =

*asked on July 29, 2011* -
## statistics

When a parachute is inspected, the inspector is looking for anything that might indicate the parachute might not open. - State the null and alternative hypotheses for this situation.

*asked on January 19, 2018* -
## MATH(HELP)

The ratio of guppies to angelfish in a shop was 2:3. The number of angelfish was 2/3 the number of gold fish. The shoe keeper decided to replace 1/4 of the guppies with some angelfish. The number of angelfish she added was equal to the number of the

*asked on August 7, 2014* -
## buisness

I need help please: Because Saudi Arabia and Australia have ____ in production of crude oil and petroleum products and wool respectively, Saudi Arabia can specialize in the production of crude oil and petroleum products, and Australia can specialize in the

*asked on February 11, 2012* -
## CHEMISTRY

The volume of air in a persons lungs is 615 mL at a pressure of 760 mmHG inhalation occures at the pressure in the lungs drops to 752 mmHG, to wha volume did the lungs expand I got 615*760=V2*752=621 i keep getting 621 and the answer is 620 what i'am i

*asked on July 24, 2011* -
## Chemistry

What is the percentage yield for a reaction if you predicted the formation of 21 grams of C6H12 and actually recovered only 3.8 grams?

*asked on March 8, 2015* -
## math

5 basketball teams are in a tournament and each team will play each other one time how many games will be played at the end?

*asked on October 10, 2010* -
## Science

DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea

*asked on February 17, 2016* -
## ECE Home,School, and Community

Describe three issues related to role confusion that a teacher may feel or communicate

*asked on October 23, 2010* -
## social studies

What are some major differences between the ancient kingdom of Aksum and modern-day Ethiopia? Be sure to mention the geographic region and the names of both along with making at least three comparisons in your answer.

*asked on January 3, 2012* -
## physics

an extreme skier starting from rest, coasts down a mountain that makes an angle 25.0¨¬with the horizontal. The coeffiecient of kinetic friction between her skis and the snow is 0.200. She coasts for a distance of 8.4m before coming to the edge of a

*asked on October 31, 2009* -
## Quantiative Methods

Western Family Steakhouse offers a variety of low-cost meals and quick service. Other than management, the steakhouse operates with two full-time employees who work 8 hours per day. The rest of the employees are part-time employees who are scheduled for 4

*asked on November 10, 2007* -
## statistics

A box contains 10 items, of which 3 are defective and 7 are non-defective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Explain why x is a binomial random variable. & For the

*asked on December 26, 2017* -
## math

Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together? A. 12 minutes B. 15 minutes C. 21 minutes D. 23 minutes E. 28

*asked on March 19, 2009* -
## Physics

A pulley system has a velocity ratio of 4 and an efficiency of 80%.calculate the value of the effort required to raise the load of 480N

*asked on February 11, 2016* -
## Chemistry

1. Write balanced equations for each of the following processes. a. Chromium- 51, which targets the spleen and is used as a tracer in studies of red blood cells, decays by electron capture. b. Iodine-131, used to treat hyperactive thyroid glands, decays by

*asked on February 17, 2011* -
## Chemistry

How many moles of n2 are needed to react with 0.500 mol of lithium

*asked on October 7, 2010* -
## chemistry

What hybrid orbitals are used by nitrogen in the following species a) NH3 b) H2N-NH2 c) NO3

*asked on December 1, 2011* -
## Healthcare Finance

Jane Smith currently holds tax-exempt bonds of Good Samaritan Healthcare that pay 7 percent interest. She is in the 40 percent tax bracket. Her broker wants her to buy some Beverly Enterprises taxable bonds that will be issued next week. With all else the

*asked on September 13, 2013* -
## Math

Ms. Fisher is using 64 carpet tiles to make a reading area in her classroom. Each tile is square that measures 1 foot by 1 foot. What is.the length and width of the rectangular area she can make with the smallest possible perimeter?

*asked on February 27, 2014* -
## business calculas

An apple orchard has an average yield of 38 bushels of apples/tree if the density is 24 trees/acre. For each unit increase in tree density, the yield decreases by 2 bushels. Letting x denote the number of trees beyond 24/acre, find a function in x that

*asked on September 13, 2007* -
## maths

y is 60km away from x on a bearing of 135 degree.Z is 80km away from x on a bearing of 225 degree find (a)distance of z from y (b) bearing of z from y

*asked on February 24, 2019* -
## Understanding Perimeter

When finding the perimeter of a figure on a grid, why do you not count the spaces inside the grid?

*asked on February 25, 2013* -
## Chemistry

Refer to the net ionic equation below to answer the following questions: Co(H2O)6^+2 + 4Cl- CoCl^-2 + 6H2O 1. In what direction was the equilibrium shifted by: a. Addition of HCl b. Addition of water c. Addition of AgNO3 d. Increasing the temperature e.

*asked on January 21, 2011* -
## Principles of Accounting

Secret Trails received payment in full within the credit period for horse boarding for $900 plus 6% sales tax. terms of the sale were 2/10, n/30. which entry is required to record this payment? a. Debit Cash, $900; credit accounts receivable sales $900 b.

*asked on June 1, 2014* -
## statistics

According to American Airlines, Flight 215 from Orlando to Los Angeles is on time 90% of the time. Suppose 150 flights are randomly selected. Find the probability that few than 125 flights are on time.

*asked on October 22, 2012* -
## psychology

I chose the answer that I believe to be correct. I need help from an expert to indicate if the answers that I chose are right or wrong answers and indicate the correct letter or answer needed. Question 1 1. Counselors use Bronfenbrenners model most

*asked on October 15, 2014* -
## physics

if a swimmer swims 85.4 yards in five minutes, how many meters will he swim in 70.0 seconds?

*asked on September 8, 2013* -
## geometry

If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

*asked on January 7, 2012* -
## Statistics

The same supervisor in the scenario above agreed to increase the salary of the employee to $15.00 per hour once she passed her RHIT exam. Three months after beginning her employment , the employee passed her RHI exam. What will the new budget be for salary

*asked on October 23, 2015* -
## algebra

courtney walks three laps around a 1/4 mile track. How many feet does she walk? if 1mile = 5280ft

*asked on February 13, 2011* -
## Quantiative Methods

CarpetPlus sells and installs floor covering for commercial buildings. A CarpetPlus account executive, was just awarded the contract for five jobs. This executive now must assign a CarpetPlus installation crew to each of the five jobs. Because the

*asked on November 10, 2007* -
## Physics

A 1.500m long uniform beam of mass 30.00 kg is supported by a wire as shown in the figure. The beam makes an angle of 10.00 degrees with the horizontal and the wire makes and angle of 30.00 degrees with the beam. A 50.00 kg mass, m, is attached to the end

*asked on November 15, 2012* -
## probability

A pizza shop offers nine toppings. No topping is used more than once. What is the probability that the toppings are pepperoni, onions, olives, and mushrooms?

*asked on October 8, 2009* -
## Science

Identify cliamte and topographical factors that(a)intensify air pollution and (b) help reduced air polluction. What sources of water pollution can you identify? How are people and the environment affected by the physical and economic effects of the air and

*asked on March 14, 2007* -
## Science in motion pHY 102

Find the net force produced by a 30-N force and a 20-N force in each of these cases: (a) Both forces act in the same direction. The net force produced by 30-N force is 60-N The net force produced by 20-N force is 40=N Applied Forces Net Forces 30-N = 60-N

*asked on August 28, 2014* -
## english

change to reported speech speaker a: eih she is coming! speaker s:who? speaker a: that woman speaker a:I really don't think she likes me. she gave me very low marks in the examination. I know I had the Best scores judging from the others.

*asked on February 22, 2011* -
## Algebra 1

The marketing director of a department store interviewed 50 customers who had bought appliances the previous week. They found that 20% of the customers bought a washing machine and 40% bought a dishwasher. Also 48% of the customers bought an appliance

*asked on May 14, 2014* -
## Geometry

You have purchased a scale model of a car. The scale factor is 1:24. The model is 2.9 inches high, 2.75 inches wide, and 6.4 inches long. Find the dimensions of the car in feet. If the rear cargo area of the actual car has a volume of 12.5 cubic feet, what

*asked on May 13, 2011* -
## Middle Childhood Psychology

Could someone please check my answers to make sure that they are correct. If any of my answers are wrong, please provide me with the correct answer? Thank you! 1. Marabella knows that a given amount of spaghetti remains the same whether the spaghetti is in

*asked on July 29, 2011* -
## Statistics

Create a null hypothesis or the following research questions: (a) What are the differences between emergency room shifts on medication errors? (b) On a clinical trail of a new drug, what will be the effects over a currently used drug?

*asked on November 13, 2015* -
## Child Psychology

I need someone to check my answers, to make sure that I have answered them correctly. My answers are marked with xxxx next to my choice out of the four choices. 1. Edwin is doing his doctoral work in the area of gifted education. One of the major

*asked on July 14, 2011* -
## probability

A box contains 4 red and 3 blue poker chips. What is the probability when 3 are selected randomly that all 3 wil be red if we select chips with replacement? a.) Without replacement?

*asked on October 6, 2009* -
## statistics

The Maximum Error of Estimate is exactly equal to half of the width of the confidence interval. T-F, and why or why not?

*asked on January 11, 2018* -
## geometry

Find the length of the diagonals of the isosceles trapezoid if AC = x + 1 and DB = 2x - 3

*asked on January 15, 2012* -
## Algebra

If an object is thrown upward with an initial velocity of 96 feet/sec, it's height after t sec is given by h=96t-16t^2. Find the number of seconds before the object hits the ground.

*asked on July 30, 2010* -
## math

bobby is diving 50 feet below sea level at the beach. his sister is at the swimming pool deck, which is 15 feet above sea level. what is the difference, in feet, between the pool deck and bobby's position?

*asked on November 27, 2018* -
## social studies

What is on negative effect of the the huge oil reserve in Nigeria?. deforestation desertification air and water supply unemployment

*asked on September 18, 2014* -
## statistics

If GMAT scores for applicants at Oxnard Graduate School of Business are N(500, 50) then the top 5 percent of the applicants would have a score of at least (choose the nearest integer):

*asked on October 27, 2013* -
## english112

In the essay by Derek Bok "Protecting Freedom of Expression on Campus" does this thesis sound like it would work with the essay? Inappropriateness causes dissonance with each other.

*asked on February 7, 2012* -
## Chemistry

The boiling point elevationof an aqueous sucrose solution is found to be 0.39 degrees Celsius. What mass of sucrose (molar mass=342.30g/mol) is contained in 500g of the solution? Kb (water)=0.512degrees C/m

*asked on November 8, 2010* -
## statistics

Suppose a box of marbles contains an equal number of red marbles and yellow marbles but twice as amny green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilitites to the elements.

*asked on September 24, 2009* -
## Chem

Bronsted reaction HCO3-+HF acid?+base?

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

Jill said that an angle is made of two rays. Is she correct? Explain

*asked on April 17, 2013* -
## probability

A pizza shop offers nin toppings. No topping is used more than once. What is the probability that the toppings are pepperoni, onions, olives, and mushrooms? Round your answer to the nearest thousandth.

*asked on October 12, 2009* -
## probability

A batch of 350 raffle tickets contains 4 winning tickets. You buy 4 tickets. What is the probability you have no winning tickets? b.) all winning tickets? c.) at least 1 winning ticket? d.) At least 1 non-winning ticket?

*asked on October 6, 2009* -
## niu

Show that 100 g of 100°C steam will completely melt 800 g of 0°C ice.

*asked on September 14, 2014* -
## algebra 2

find all zeroes -3x^4 + 27x^2 + 1200 =0

*asked on December 29, 2014* -
## Government

Roughly how many former members of Congress and staffers serving as lobbyists were involved in the health care reform debate in 2009? A. about 100 B. about 350 C. Former members of Congress and staffers are permanently barred from lobbying D. about 1,000

*asked on August 23, 2014* -
## grammar

Sensory was intact to light touch, proprioception, and pinprick.

*asked on October 4, 2012* -
## Physics

The engine of a 1-kg toy plane exerts a 15-N forward force. If the air exerts an 8-N resistive force on the plane, what is the magnitude of the acceleration of the plane?

*asked on January 7, 2012* -
## probability

If a box contains 4 red poker chips and 3 blue. What is the probability that all 3 will be red if we randomly select each chip with replacement? Woould it be 4/7*4/7*4/7 because there are 4 red or would it 3/7* 3/7*3/7 because they only want 3 of the 4?

*asked on October 8, 2009* -
## math

Ahmed earns $1.50 for every video game he sells. When he sells one carton of 30 video game, he earns an additional $10. What is the minimum number of video games he has to sell in order to earn $450?

*asked on August 6, 2014* -
## buisness

could someone help me with this question? Which of the following scenarios would not be considered international business? Choose one answer. a. A Chinese manufacturer sells toys to a large toy retailer in the United States. b. Intel sells its processors

*asked on February 11, 2012*