# gloria

Most popular questions and responses by gloria-
## physics

If motor M exerts a force of F=(10t2+100)N on the cable, where t is in seconds, determine the velocity of the 25kg crate when t=4s . The coefficients of static and kinetic friction between the crate and the plane are μs=0.3 and 0.25 μk=0.25 . The crate

*asked on November 7, 2013* -
## Chemistry

When 50.0g of silicon dioxide is heated with an excess of carbon 32.2 g of silicon carbide I'd produced. SiO2(s) + 3C(s) → SiC(s) + 2CO(g) A. What is the percent yield of this reaction? B. How many grams of CO gas are made?

*asked on January 7, 2013* -
## Pre-algebra

Which expressions are equal to 120 Multiple chose 1. 5! 2. 6! 3. 6p3 4. 12p10 I think the answers are 5! and 6p3

*asked on March 9, 2016* -
## Analytical chemistry

The iron in a 0.6656 g ore sample was reduced quantitatively to the +2 state and then titrated with 26.753 g of KMnO4 solution. Calculate the percent Fe2O3 in the sample. the mass i get for fe2o3 is too big, but i don't know how else to do this problem,

*asked on August 3, 2013* -
## Science

State in words the specific information conveyed by a label reading 0.25M Oxalic acid.

*asked on January 16, 2013* -
## Information systems

Is video conferencing really a viable green alternative to travel for most companies

*asked on March 21, 2017* -
## Chemistry

The following unbalanced equation describes the reaction that can occur when (II) sulfide reacts with oxygen gas to produce lead (Il) oxide and sulfur dioxide gas: PbS+O2---> PbO + SO2 Balance the equation and describe in words the electron transfers that

*asked on May 8, 2015* -
## chayyenne

A 26' long painting is how many yards long?*

*asked on July 5, 2014* -
## Chemistry

Iron -59 has a half -life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution.

*asked on May 8, 2015* -
## chemistry

A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard solution is assumed to be ____ M.

*asked on April 10, 2008* -
## statistic

A marriage counselor conducted a study of couples, categorizing each of the couples as "communicative" or "non-communicative." Among other things, the counselor wanted to see whether the percentage of communicative couples whose marriage ended in

*asked on November 19, 2018* -
## Analytical chemistry

A dilute perchloric acid solution was standardized by dissolving 0.2445 g of primary standard sodium carbonate in 50 mL of the acid, boiling to eliminate CO2, and back-titrating with 4.13mL of dilute NaOH. In a separate titration a 25mL portion of the acid

*asked on August 1, 2013* -
## lee college

How many bromine molecules, Br2, have a mass equal to 31.8 g?

*asked on November 17, 2009* -
## English,sepedi,agriculture,economics,lifesciences,maths literacy & life orientation

Identify 3human rights violations or discrimination and explain in an introductory paragraph why you choose the specific human rights violation or discrimination

*asked on April 16, 2016* -
## Maths

Convert 59.4 mi to km (1 m= 1.094 yd, 1 mi=mi=1760yd)

*asked on October 19, 2017* -
## math statistics

IQ scores in the US population have an average of µ = 100 and a standard deviation of σ = 15. Suppose a researcher wanted to test whether socioeconomic status (SES) has an effect on IQ scores. The researcher takes a random sample of n = 100 people,

*asked on January 12, 2019* -
## databases

Fernando Cilebra has always ben facinated by skateboards. Fernando has won several contests, both locally and nationally. His interest in skateboards led him to open Fernando's Shop in Denton, Maine. Fernando sells street, trick, and children's

*asked on April 27, 2012* -
## Jefferson

Nitric acid and zinc react to form zinc nitrate, ammonium nitrate, and water. 4Zn(s) + 10HNO3(aq)→ 4Zn(NO3)2(aq) + NH4NO3(aq) + 3H2O(l) A. How many atoms of zinc react with 1.49g HNO3? B. Calculate the number of grams of zinc that must react with an

*asked on January 7, 2013* -
## chemistry

If some of the CaCO3 in the sample had already formed some Ca(HCO3)2, will the volume of CO2(g) generated in the reaction be greater,less than or the same as in the experiment? Explain

*asked on November 2, 2011* -
## Math

In a senior secondary school,80 students play football or hockey.The number that play football is 5 more than twice the number that play hockey.If 15 students play both games and every student in the school plays at least one game,find (i)the number of

*asked on October 2, 2018* -
## math

a theater seating 300 charges $1 for children $2 for students and $5 for adult half as many adult and children and students areceipt totaled $800 how many children aattend

*asked on September 10, 2011* -
## Analytical chemistry

Below i wrote a few problems, i did them all but in the book i don't have results, so i don't know if i did them right or not. I would really appreciate if someone would go through the problems and tell me if i got the right results. If i made a mistake

*asked on August 3, 2013* -
## chemistry

In 1934, Edward A. Doisy of Washington Univeristy extracted 1361 kg og hog ovaries to isolate a few milligrams of a potent female hormone. Doisy burned 5.00 mg of this precious sample in oxygen and found that 14.54 mg of CO2 and 3.97 mg of H2O were

*asked on September 27, 2012* -
## Business

Assignment for week 5 Given the following information, draw the project network. Compute the early, late and slack times for the project network. which activities are on the critical path have only the start or finish of the activity on the critical path?

*asked on December 6, 2010* -
## Chemistry

when the pressure on 2.5liters of oxygen is decreased from 2.0atm to 1.0atm,the volume of the gas becomes how many liters.(round answer to one decimal place.

*asked on February 12, 2014* -
## 2nd grade math

If you have a rectangle with 24 square units 3 lines down 8 across how can you have a 4 unit rectangle with a perimeter of 8 around the outside also 6 units with a perimeter of 10 in a seprate problem A square of 4, perimeter of 8. What about a 2x2 square?

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

How would you solve the problem - A class wanted to collect 325 cans and on the first week they collected 135 cans, the second week they collected 89 more cans what will they need to collect on week three?

*asked on October 12, 2018* -
## Physics

In a simple machine, the energy input is 120j. If the efficiency of the machine is 80%. Calculate the energy output

*asked on March 29, 2017* -
## Analytical chemistry

A 25 ml sample of household bleach was diluted to 500 ml in a volumetric flask. An unmeasured excess of potassium iodide was aded to a 20 ml aliquot of the diluted sample; the iodine liberated in the reaction: OCl- + 2I- -> I2 + Cl- + H2O required 34.5 ml

*asked on July 30, 2013* -
## the parts of speech

10. In the following sentence, identify the part of speech of the italicized word. Catching fish is one of the oldest pastimes.

*asked on November 14, 2012* -
## algebra

A cylindrical oil tank is 2/5 full. If 9 more liters are added, the tank will be 5/8 full. What is the capacity of the tank?

*asked on March 1, 2012* -
## Comunity school

When using fraction strips, how do you know that two fractions are equivalent?

*asked on February 26, 2012* -
## chemistry

A mixture of ALuminum and Zinc weighing 1.67 grams is completely dissolved in hydrochloric acid and 1.750 Liters of hydrogen is produced at 273 Kelvin and 1.0 ATM. can you please help me calculate the mass of Aluminum and Zinc in the Sample?

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

The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.510. If a trial's absorbance is measured to be 0.250 and its initial concentration of SCN¡V was 0.00050 M, the

*asked on April 10, 2008* -
## business math

mary smith purchased a new car for $28,750. she made a 15% down payment and financed the balance at her bank for 3 years. what payments are required at the end of every month, at 18% interest, to pay off the loan?

*asked on December 16, 2013* -
## Chemistry

please say if molecule is polar or nonpolar: H2 HBr BrCl CS2 H2S

*asked on June 2, 2014* -
## Analytical chemistry

What is a pH of 20 mL of 0.08 M NH3 added to 40 mL of 0.04 M HCl? NH3 + HCl = NH4+ + Cl- c(NH3)=(0.02L * 0.08M)/0.06L= 0.02667 M c(HCl)=(0.04L * 0.04M)/0.06L= 0.02667 M c(NH4+)=c(HCl) Kb=[NH4+][OH-]/[NH3] Kb=1.76*10^(-5) So i tried to calculate it like

*asked on September 2, 2013* -
## Physics

a car that weights 15000 N is initially moving at 60 km/hour when the brakes are applied. The car is brought to a stop at 30 meters. Determine the magnitude of the braking force

*asked on November 14, 2012* -
## corporate finance

How does Ben's age affect his decision to get an MBA

*asked on July 26, 2010* -
## Chemistry

If 5.40 kcal of heat is added to 1.00 kg of water at 100C, how much steam at 100C is produced? sHOW ALL CALCULATIONS LEADING TO AN ANSWER. Q=m*Hf 5.4=m*80 m=5.40/80=0.0675kg

*asked on May 4, 2015* -
## physics

A motorcycle is traveling up one side of a hill and down the other side. The crest of the hill is a circular arc with a radius of 35.5 m. Determine the maximum speed that the cycle can have while moving over the crest without losing contact with the road.

*asked on October 2, 2011* -
## corporate finance

Bunyan Lumber, LLC Closing Case: When should the company harvest the forest? Can you help me get started on this assignment? Bunyan Lumber, LLC, harvests timber and delivers logs to timber mills for sale. The company was founded 70 years ago by Pete

*asked on July 26, 2010* -
## Chemistry

Calculate the equilibrium concentration of all ionic aqueous species in a solution containing 1.30 M HCl and 4.0 M C6H5OH (phenol, Ka=1.6 x 10^-10). What is the pH of the solution?

*asked on April 19, 2008* -
## Physics

A block is attached to a spring and set in motion on a horizontal frictionless surface by pulling the block back a distance 10cm from equilibrium. Now, replace the block with one double the mass and set the block into motion again by pulling the block a

*asked on April 13, 2016* -
## Computerized Accounting

Consider this statement: "QuickBooks records revenue when an invoice is generated, even though cash has not been received." Is this practice acceptable? Why or why not? What are noncash investing and financing activities, and how are they recorded in

*asked on March 9, 2015* -
## chemistry

what is the molarity of a solution prepared by dissolving 63.0 g NaF in enough water to make 250.0 mL of solution?

*asked on October 16, 2012* -
## algebra

If one runner can run 10 meters in one second and another runner can run 6 meters in one second and the slower runner is given a 70 meter head start, how long will it be before the faster runner catches the slower runner?

*asked on April 15, 2012* -
## chem

How is the process of drying clothes on a clothesline different than drying clothes in a dryer? Thanks. Just more heat in the dryer. It dries quicker because the fast moving hot air will hold more water vapor. thank you

*asked on May 19, 2007* -
## calculus

A spherical balloon is inflated so that its volume is increasing at the rate of 3.2 ft3/min. How rapidly is the diameter of the balloon increasing when the diameter is 1.1 feet?

*asked on January 25, 2017* -
## 6th grade math

98.547/4.93 985-493=437 4377-4437=4877 4877-4437=4400 here's where we get stumped the calculator shows we should have a 9 in out answer

*asked on October 17, 2016* -
## Algebra

you need 3 3/4 yards of material for 1 shirt how many shirts can you make with 116 1/4 yards of material

*asked on September 12, 2014* -
## chemistry

you have a metal tank containing 74.0moles of nitrogen gas at a pressure of 15.0atm.If the pressure is measured at a temperature of 20.0c,then the volume of the tank must be how many liters(Round answer to one decimal place.

*asked on February 12, 2014* -
## calculus

f(x)= (5x^4 + 5x^3 + 6x^2 + 8x + 5)/(1x^4 + 1x^3 + 1x^2 - 9x + 4) What is the equation of the horizontal asymptote? y = ___? Does the graph of f(x) intersect its horizontal asymptote? (yes or no) If yes, at what x-values does f(x) intersect its horizontal

*asked on June 3, 2012* -
## algebra

Betty is 6 years older than Deb. 13 years ago, Betty was 4 times older than Deb. How old is Deb?

*asked on April 18, 2012* -
## Psychology

In the 3 domains of development, why is it important to consider each domain in the study of adult development?

*asked on November 16, 2010* -
## N/A

In the domains od development, why is it important to consider each domain in the study of adult development?

*asked on November 16, 2010* -
## Analytical chemistry

A Kjeldahl analysis was preformed upon a 0.055 g sample of impure biguanide (C2H7N5, fw=101.1). The liberated ammonia, collected in 40 mL of 4% boric acid was titrated with 19.51 mL of 0.1060 M HCl. Calculate the percentage of biguanide in the sample.

*asked on August 1, 2013* -
## math

In a group of 7 men and 8 women, how many committees of 5 can be selected for which there are 2 men and 3 women? What is the probability of selecting a committee of 5 consisting of 2 men and 3 women?

*asked on June 11, 2012* -
## Calculus

f(x)= (-5x^3 + 3x^2 + 3x -5)/(-8x^2 +2x + 7) Find the equation of the non-vertical asymptote. y = ? Does f(x) intersect its non-vertical asymptote? (yes or no) If yes, what is the smallest value of x at which f(x) intersects its non-vertical asymptote?

*asked on June 3, 2012* -
## Chemistry

The concentration and volume of reagents combined in each trial are listed in the table below: Trial 00020 M 00020 M H2O(mL) Fe(NO3)3(mL) KSCN (mL) 1 5 2 3 2 5 3 2 3 5 4 1 4 5 5 0 Initially (right after combining and before any reaction occurs) the

*asked on April 10, 2008* -
## statistics

How do I sketch distributions? I think I'm doing it wrong. Is there an option my friends stats-calc(her calcultor is very tempremental, so i don't know if it'll work) I can utiilzie that'll sketch things for me? thanks. -Sketch a normal distribution with

*asked on January 30, 2008* -
## algebra

I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of39. Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer, simpler, to me. oh, okay, so

*asked on April 12, 2007* -
## math

Nancy is 4 years younger than Monica. Seven years from now the sum of their ages will be 82. How old are they know?

*asked on September 13, 2017* -
## Family Dynamics

One important approach for teachers working with diversity in individual families is to be __________________.

*asked on October 30, 2015* -
## physics

you walk west for 52 m, then you walk 33.2° north of west for 44 m, and finally you walk due north for 25 m. Find the components of your final displacement, from your initial to final point, along the north and west directions.

*asked on May 21, 2015* -
## Chemistry Help, Please!!!

The Kw of water varies with temperature. Calculate the pH of water at 46℃ with a Kw=1.219 x 10 to the negative 14th.

*asked on May 8, 2015* -
## Accounting

Consider this statement: "QuickBooks records revenue when an invoice is generated, even though cash has not been received." Is this practice acceptable? Why or why not?

*asked on March 9, 2015* -
## Analytical chemistry

I did the next problem, i don't have the results for it and i just want to know if i calculated the mass for Fe2O3 the right? A sample is a mixture of iron oxides (Fe2O3 and FeOOH). It's known that at 200°C this reaction occurs: 2FeOOH(s)-> Fe2O3(s) +

*asked on September 7, 2013* -
## Math

Three people who work full-time are to work together on a project, but their total time on the project is to be equivalent to that of only one person working full-time. If one of the people is budgeted for one-half of this time to the project and a second

*asked on December 8, 2012* -
## PHI 103

What kinds of questions and topics are not decided by logical analysis?

*asked on March 27, 2012* -
## College Algebra

I need to find the domain of f, the excluded values of f, the domain of (fg)(x); find (f+g)(-5), (f-g)(x), and (fg)(x) to the problem of: Let f(x)=(7x+1)/(3x+2) and g(x)=6x+5.

*asked on October 16, 2011* -
## MATH

solve the system of linear equations using the Gauss- Jordan elimination method x1- x2+ 4x3 = 15 x1+ x2 = X3 = 4 -3X1-X2 + X3 = -2

*asked on September 10, 2011* -
## Finance:capital budget

I am suppose to write a 1400 word paper based on the purchase of three new trucks costing $30,000 each and $10,000 of equipment for each one, with the life expansion of the trucks to be 5 years by calculating the firms' required return using the capital

*asked on July 28, 2011* -
## math

write slope equation for the line that passes though (10,-4) and has a slope of -3/10

*asked on February 15, 2011* -
## ENVIRONMENTAL SCIENCE

Identify a viewpoint given in the video that highlights the importance of biodiversity. Do you believe that every species is connected to one another as expressed in the video? Why or why not?

*asked on January 19, 2010* -
## Geometry

Write an equation of the line in slope-intercept form with the given slope and the given point F(-4,1), m=3/4

*asked on October 14, 2007* -
## history

Does anyone know any songs that have a history behind them/explain an event in history? (ie Sweet Home Alabama, American Pie) Much thanks! Check these sites for a few songs that have a history and/or explain an event.

*asked on December 28, 2006* -
## Math

How do i solve this -given that p and q are sets of real numbers such that p=(x:0 is lesser than or equal to x is lesser than or equal to 3)and q=(x:3 is lesser than x is lesser than 2),find p union q

*asked on October 2, 2018* -
## Math

The sixth term of an appointment is 37 and the sum of the first sixth term is147 find the first term,find the sum of the first fifteen terms.

*asked on August 24, 2017* -
## Chemistry

At 3745°C, K = 0.093 for the following reaction. N2(g) + O2(g) equilibrium reaction arrow 2 NO(g) Calculate the concentrations of all species at equilibrium for each of the following cases. (a) 2.0 g N2 and 3.0 g O2 are mixed in a 1.3-L flask. [N2] [O2]

*asked on February 27, 2017* -
## calculus

Use implicit differentiation to find an equation of the tangent line to the curve 3xy^3+4xy=63 at the point (9,1)(9,1).

*asked on January 25, 2017* -
## explore career

If john got paid $12.00 an hour and he worked 40 hours, how much is his gross pay?

*asked on December 15, 2016* -
## Math

If Mary ate two apples and Bob ate three apples, how many apples did Mary eat.

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

2.16 grams of silver react with 3.20 grans of sulfur.Caculate the mass of silver sulfide produced (mass of ag=108.8g/mole)

*asked on April 21, 2016* -
## Sociology

Write a 700- to 1,050-word essay in which you complete the following: Give a brief introduction that identifies the issue you have chosen and why.Describe in three separate paragraphs how each perspective would view or explain the issue.Include in your

*asked on December 6, 2015* -
## asking for a teacher's opinion

Do you think rounding borderline letter grades up or down is a fair practice? Or should they just stay where they are? For example, I think that an 89.5% should round up to a 90%. I have one instructor right now who considers an 89.99% to still be a B

*asked on December 6, 2013* -
## math

I am trying to help my grandson with a fraction problem, Mary has 12 marbles 3/12 are yellow,2/12 are blue and the rest are green, I need to explain how many of them are green where he will understand

*asked on October 28, 2013* -
## medical terminologhy

combining form and suffix to form number 1 abnormal softining of a kidney

*asked on April 20, 2013* -
## pre algebra

Actual train size 40 feet gives a model size of 3 inches which scale was used?

*asked on December 3, 2012* -
## Geology

Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE

*asked on November 5, 2012* -
## math

waiting for my answer on the ageprime factors

*asked on June 14, 2012* -
## calculus

Leave any unneeded answer spaces blank. [Hint: use synthetic division to solve.] f(x) = (1x^3 - 3x^2 - 25x + 75)/(1x^3 - 19x^2 + 118x - 240) the roots of f(x), in increasing order is/are.... ___, ___, ___ f(x) has holes when x is... ___, ___, ___ f(x)has

*asked on June 3, 2012* -
## computer science

Promotion time is coming around the corner. In the last board meeting, your supervisor has asked someone to create a list of tables for a Fernandos Skate Shop customer orders. Use the following preliminary field list and list of subjects to get started.

*asked on May 10, 2012* -
## phi103

need a thesis statement on abortion

*asked on May 5, 2012* -
## PhI 103

what kinds of mistakes might they makewithout having been exposed to a careful study of reasoning provided by logic?

*asked on May 1, 2012* -
## science

based on your knowledge of environmentalscience, what could explainthese observation? Support your answer with specific results from your data and ideas fromyour readings

*asked on March 12, 2012* -
## science

what do recommend to Pinchot as " a sustainable " level of fragmentation that conserves the forest's biodiversity and ecosystem services while still allowing for some development?

*asked on March 12, 2012* -
## science

do your results support idea that trophic cascades occur in nature?

*asked on March 12, 2012* -
## C. Algebra

Let f(x)=(x-9)/(3x+1). Let g(x)=(5x+6)/(2x+11). Find (f/g)(x) and its domain. Is it any way I can learn this, I am really trying...

*asked on October 16, 2011* -
## Labor Relations

1. The Local Roofers' Union makes an agreement with management for guaranteed raises each year of no less than 3% of their pay for the next two years in exchange for a reduction in their medical benefits coverage. This is called A. an interest dispute. B.

*asked on August 19, 2011*

## Pages

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