# Posts by Maria

Total # Posts: 2,062

**ap chemistry**

is there any online test that tells me in which area i am weak or strong?

**ap chemistry**

WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST?

**Chemistry**

How many grams of silver will be produced on the reaction of 50.00g iron metal with an excess of a copper (ii) sulfate solution ?

**English 3**

a. survival of the fittest

**Physics**

A rectangular conducting homogeneous (which means the material is the same throughout) block has dimensions 1cm x 2cm x 3cm . A voltage V is applied between all opposite faces of the block and the corresponding currents were recorded. What is the maximum current measured in ...

**statistics**

A service station has a pump that distributes diesel fuel to automobiles. The station owner estimates that only about 3.2 cars use the diesel pump every 2 hours. Assume the arrivals of diesel pump users are Poisson distributed. a. What is the probability that three cars will ...

**Chemistry ....help**

If NaNO3 is cooled from 70C to 10C ; how much solid NaNO3 will come out of solution as a solid salt? Help me !!!

**Office Management**

Thank you! :)

**Office Management**

Note: telecommuting has its advantages and disadvantages. It eliminates the hassle of driving to work in inclement weather or heavy traffic as well as the chore of finding a parking place. Some employees report that they get more work done at home, while others struggle to ...

**Office Management**

My reading knowledge would choose A. However - if seperating from work and family, how would a telecommuter succeed if they are having trouble. Then, I thought about C. Because they obviously can separate work and hom because they are motivated and independent. At this point, ...

**Office Management**

Last one: Among the following employees, a person who _______ would most likely succeed as a telecommuter. A. has difficulty separating work and family B. has a hard time prioritizing work tasks C. is very motivated and independent D. is very outgoing and social

**Office Management**

That is what I thought, but when I was looking over my previous answer for this exam, the I have had 4 answers with the Letter D. I was very unsure! :/

**Office Management**

When conducting a performance appraisal, it's important for the supervisor to A. provide only positive feedback no matter what the actual performance has been. B. avoid addressing employee concerns until after the appraisal has been signed by the employer. C. make sure the...

**URGENT!**

You are correct - I posted D... And I was incorrect.

**URGENT!**

Ian admits to and corrects bookkeeping mistakes right away. Shin Lee reported a conflict-of-interest issue to her supervisor immediately. Who is acting ethically? A. Neither Ian nor Shin Lee B. Both Ian and Shin Lee C. Ian only D. Shin Lee only

**Who is correct?**

Disregard - The answer is Sarah. Note: Costs of operating an office—rent, salaries, utilities, etc.—are considered overhead.

**Who is correct?**

Sarah says that overhead includes utility, rent, and salary costs. Jonas says that overhead includes liabilities and accounts payable.

**PLEASE HELP !!**

This answer was incorrect - The correct answer is "CHECK"

**PLEASE HELP !!**

Thank you - Scenario: Returning an item to a department store with a receipt and they'll refund you for the products being returned. Right?

**PLEASE HELP !!**

Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund

**Office Finances**

The answer is D per a tutor! :)

**Office Finances**

Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund

**math**

Earlene wants a jacket that costs $60. she has saved $43. what fraction of the amount that she needs has saved

**math**

It was kinda hard.

**History**

where can I find thesis of women right Seneca fall convention. How did it happened? The effect? When did it start?

**Chemistry**

What is the volume of 0.674 kg of acetylene, C2H2, at STP?

**math**

can one angle of a right triangle measure 100 degrees?

**Life orientation**

Yes

**Math**

A drawer contains n socks. When two are drawn randomly without replacement, the probability that both are red is 5/14. What is the smallest possible value of n

**statistics**

8) Why did you choose this figure as the warranty? What percentage of bulbs would need to be replaced if you chose a warranty of 7000 or 7500? Justify your answer statistically. How do you explain this to the board of directors, marketing people and financial people?

**statistics**

7) Your employer, Woodbridge Electric Inc., wants to offer a warranty on the new compact fluorescent light bulb that they have produced and tested. You are called into a meeting and operational experts provide the following data: mean bulb life = 8000 hours, standard deviation...

**Chemistry**

How much energy is required to heat 36.9g of ice at 0 degrees celsius to water at 0 degrees celsius?

**Chemistry**

Mg + HCl ----> MgCl2 + H2 If the water in tube is evaporated , the other product , a white salt remains . Write the balanced chemical equation . Ans: Mg + HCl ----> MgCl2 + H2 + H2O I don't know how to balanced it . I'm confusing where O is in reactants to ...

**math**

How else can you get ninety hundredths?

**Statistics**

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 15% of your total grade, each major test is worth 22.5...

**Chemistry**

CH4(g) + 2O2(g) = CO2(g) + 2H20(g). What volume of O2 is required to react with 2.0 mol CH4 at 50 degrees Celsius and .500 atm?

**math**

how do i solve -9(w-3)=8w-7?

**Algebra**

Thank you

**Algebra**

Tell whether the equation is a function: 1) y = x-3 ; 2) y = -3/4x ; 3) x = -11 ; 4) x = 8 ; 5) y = 2(x+1)

**physics**

0.671

**math**

what is 2 tens from 3 tens?

**Math**

I don't care losers

**Math (probability)**

Three members of a 12 person singing group are going to be chosen to sing a song in their coming concert. A) how many different groups containing 3 people can be chosen from the 12 members of the singing group? B) what Is the probability that mike and Jo will both be in the ...

**Math**

2. Three members of a 12 person singing group are going to be chosen to sing a song in their coming concert. A) how many different groups containing 3 people can be chosen from the 12 members of the singing group? B) what Is the probability that mike and Jo will both be in the...

**Chemistry**

What is the mole fraction of solute in a 3.26 m aqueous solution?

**chemistry**

What mass of lead (II)chloride would precipitate if a solution containing 8,28 g of lead (II) ions(Pb2+) reacts with excess HCl?

**Physics HELP!!**

Two iron spheres each have a volume of 10 cm^3 and a mass of 78g. How many electrons must be placed on each sphere so that the electrostatic force of repulsion between them just balances the force of gravitational attraction? Assume the distance between the spheres is more ...

**Earlychilodhood education**

B. "I don't really know, Karen."

**Chemistry - Biology**

Explain why glucose is improtant to humans ? Ans:Glucose is important to the body cecause it helps the reporduction of cells, coposition of proteins and nucleic acids foundin all cells. It helps growth and repairs tissues . Is that correct??

**Math**

During swim lessons,the teacher passed out 23 pairs of goggles. there are 10 pairs left. how many pairs of goggles did the teacher have at the start?

**Government**

Monetary policy differs from fiscal policy in that a. it has to be exercised by the legislature. b. the policy goals are very different. c. it is a slower process than fiscal policy. d. it is a faster process than fiscal policy. e. none of these answers are correct.

**english**

Identify the type of subordinate clause in the following sentence. If we remember to brush our teeth, we will get fewer cavities. a)noun b)adjective c)adverb

**English**

Identify the type of subordinate clause in the following sentence. The guy who ran out of the clinic is running late. a)noun b)adjective c)adverb

**math**

how do you simplify 15 over 27 ?

**personal statement**

i need to write personal statement using Common App. Option 3: Indicate a person who had had a significant influence on you, and describe that influence. I do not know how to organised the paragraph and how could I add more to essay and what to end please. MY DEADLINE IS COMING.

**colllege algebra**

use synthetic division to factor x^3-2x^2-9x+18

**college algebra**

let f(x) be polynomial function. explain how to use the factor theorem to check if x) is a factor of F(x)

**ap calculus**

How is the ap calculus AB and BC test? Is there any online practice test?

**Chemistry**

The relationship between ionization energies as evidence for electron configuration for elements?

**CHEMISTRY**

FOR MOST LABS THAT WE PERFORM , THE MEASURED WALUES ARE ALWAYS COMPARED TO THE ACCEPTED VALUES USUALLY IN THE FORM OF PERCANT ERROR . WHY IS THIS DONE?

**Chemistry**

What trends the atomic radii of group 2A ?what trends the atomic radii of period 3? Why this trend occurs? Ans Atomic radii of group 2A increases . Atomic radii of period 3 decreases . I don't know how to answer the last question!! Please help me !

**Chemistry**

What trends the atomic radii of group 2A ?what trends the atomic radii of period 3? Why this trend occurs? Ans Atomic radii of group 2A increases . Atomic radii of period 3 decreases . I don't know how to answer the last question!! Please help me !

**chemistry**

Wat is the volume of a 200g object that has the. Density of 1.27L?

**chemistry**

Wat is the volume of a 200g object that has the. Density of 1.27L?

**math hurry please**

so 3c + 5a=115 and a+c=33 so if we plug in then 3*8 is 24 and 5*25 is 125 so that doent work so i just go on from their! Thanks

**math hurry please**

Each child ticket for a ride costs $3, while each adult ticket costs $5. If the ride collected a total of $115, and 33 tickets were sold, how many of each type of ticket were sold? A. 8 child and 25 adult B. 17 child and 16 adult C. 156 child and 41 adult D. 25 child and 8 adult

**Msth**

C C D A C 100% trust me even look it up on math papa

**Chemistry**

n artifact was found and tested for its carbon-14 content. If 83% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 years.) yr

**Math**

Find two numbers the exact answer is between 6x7,381

**english**

thnks

**english**

how about for Germany

**english**

college graduation rates in USA and education statistics.

**Physical Education**

What is the average weight for 8th grade girls?

**chemistry**

How many grams of sodium hydroxide is needed to react with 100 ml of a 1.4 M nitric acid for complete neutralization to happen.

**english**

thnks

**english**

what else can we say?

**english**

i have to write an essay on why should we have freee colllege education improvement in U.S.A. Why it is problem. Can u please give the reason.

**INTRODUCTION TO COMPUTERS**

control a pointer on the screen

**Chemistry**

Which ion has larger radius O2- or F 1-?why?

**Math**

You pick two cards from a deck of 52 cards. Find the probability that the first card was a spade given that the second card was a spade.

**chemistry**

what is evidence of exothermic rection?

**trigonometry**

Been trying this forever so it says: Simplify 1+sin2x+cos2x/1+sin2x-cos2x ive tried this problem so many times I need help with it...

**Chemistry**

Fool's gold is not gold at all but only lead IV sulfide. If you have 751.0 grams of lead how many grams of fool's gold can you make? Ans: Pb+2S->PbS2 Given * (1/amu of given) * (mol of find/mol of given) * (amu of find/1mol)

**movement and music**

Two important factors to consider when making a music selection are variety and a. quantity b. quality c. mood d. rhythm

**chemistry**

the specific heat capacity of iron metal is 0.450 j/gk. how many joules of energy are needed to warm 1.31 g of iron from 20.00 C to 29.00 C?

**ap chemistry**

A 2.5 g of sample megnesium carbide is added to 8.8 ml of water inside calorimeter of 700 ml of water how do we find limiting reactant

**physics**

ok. thank u

**physics**

but it is in hertz

**physics**

find energy of a single photon of light when you have 5.4*10^12 hertz.

**algebra**

the time it takes you to get to campus varies inveresly as your driving rate. Driving at a rate of 40 miles per hour, it takes 1.5 hours. How ong would the trip take you driving at a rate of 60 miles per hour?

**algebra 1**

a number decreased by -4 is at least 9

**Physical science**

Which is not an example of acceleration? a) A person jogging at 3m/s along a winding path b) A car stopped at stop sign c) A cheetah running 27m/s east d) A plane taking off

**chem (measurements & dimensional analysis)**

the density of regular gasoline is 0.9854 g/cm3. What is the density in lbs/gal

**Anthropology**

Caste systems are most common in societies: (Points : 1) that were previously ranked. that have a tradition of slavery. that have a great deal of occupational specialization. that have monetary systems.

**General Chemistry**

Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1 nm=10-9m. What is the energy of a photon in an X ray?

**math**

how do i calculate these ratios 5,474 to 1,850 but the total is 7,324 do i need to do anything with the total or is it right??????

**Math**

I got it! I love this site already!

**Math**

How long will it take a car traveling 65 mph to pass a car traveling 45 mph if the slower car had a 2 hour lead?

**Chemistry**

a compound decomposes with half life of 8seconds and is independent of concentration.how much time is consumed to convert the concentration of one sixteenth of its initial concentration?

**Math**

A fire hose has a circular cross-section which has a diameter of 20 cm. The hose is full of water and the water in the hose is flowing at a speed of 5m/s. How many liters of water can flow from the hose in 1 minute? (1m^3 = 1000 L)