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Posts by Bea

Total # Posts: 64

Chemistry
When 0.20 mol of hydrogen gas and 0.15 mol of iodine gas are heated at 723 K until equilibrium is established, the equilibrium mixture is found to contain 0.26 mol of hydrogen iodide. The equation for the reaction is as follows. H2(g) + I2(g) ? 2HI(g) What is the equilibrium ...

Physics
The speed of the boat on still water is 100km/h. The water flows from the west at a speed of 45km/h. In which direction must the sailor steer the boat in order to fly due to north? *What I don't understand is 'which way(direction) is the boat travelling?' Thanks in...

science
Jane can still pump air in the party balloon even through it is already inflated.What explains this phenomenon?

math
Enzo is 7 years younger than Ezra.Five years later,Ezra will be twice as old as Enzo.Find their present ages

Math
The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4. Point F is at 3, ...

MATH @Damon @ms. Sue
can you help me with one more?

MATH @Damon @ms. Sue
thnx

MATH @Damon @ms. Sue
Sam is observing the velocity of a car at different times. After three hours, the velocity of the car is 53 km/h. After six hours, the velocity of the car is 62 km/h. Part A: Write an equation in two variables in the standard form that can be used to describe the velocity of ...

Math
@Damon @Ms.sue

Math
i really need help

Math
The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is at negative 5, 5. Point B is at negative 4, negative 2. Point C is at 2, 1. Point D is at negative 2, 4. Point E is at 2, 4. Point F is at 3, ...

Math
Suppose you open your textbookat random and the product of two pagesfacing you is 3 192,what are the two pages?

physics
Oasis B is 8.0 km due east of oasis A. Starting from oasis A, a camel walks20 km in a direction 15.0° south of east and then walks32 km due north. If it is to then walk directly to B, (a) how far and (b) in what direction (relative to the positive x-axis within the range...

math
yan gets allowance money every day. On Monday he gets 5 cents. On Tuesday he gets 12 cents. On Wednesday he gets 19 cents. On Thursday he gets 30 cents. On Friday he gets 35 cents. How much will he get on Saturday? How much will he have by the 12th day? The 16th day? When will...

Science- RE-DO
so are the answers 1:b 2:a 3:b 4:c 5:a

math
I am a 3-digit number. My first digit is thrice my last digit. The sum of my last two digit is one less than my last digit.

Language Arts
thnx yuki

Spanish
1-la 2-la 3-unos 4- el mapa 5- las niñas

Spanish
1-fuimos, 2- salir,3-pregunto, 4-estaba, 5-pudo, 6-supo, 7-iba,8-dijo,9-íbamos, 10-confirmó,11-era.

SPAnish
ten,equipaje,dicho,tuve or tenía,puedan,has,compré,aterrizado,deseamos,sepa,lo que,llegar,pasó,pude,echame una mano

SPAnish
ayude,tomar,venga,vaya, pierda,espere,bajemos, busca

Statistics
A regional manager visits local fast food franchises and evaluates the speed of the service. if the manager receives her meal within 45 seconds, the server is given a free movie-admission coupon. If it takes more than 45 seconds, the server receives nothing. Throughout the ...

Statistics
The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ¡Ý0.10% ...

ALGEBRA
it is now between 3 and 4 o'clock and in 20 minutes the minute hand will be as much ahead of the hour hand as it is now behind it. what is the time now? please help me. Godblesss you

ALGEBRA
the arithmetic mean of two numbers exceeds their geometric mean by two. find the numbers if one is 40 less than other? please help me to answer this homework.

Art
thnx zee zee i got 100 percent

statistics
I also need the answer of this question .. please can somebody answer this ??? I really need it .. thank you for those who want to help me :))))

math
Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long Balance: $200 Rate: 18% Payment: $50 Method: Adjusted balance

English
Why was William Golding so uncertain about his book Lord Of The Flies?

chemistry
Assume you poured 5.00 g of KOH in 250 mL of pure water. What is the molarity of the solution you made?

Math-Algebra
Imelda was looking out from the window of her p[enthouse condominium when she saw a ship. Since she is a geodietic engineer, she used her laser rangefinder to measure her distance from the ship and got 2 025.488 m. If her penthouse unit is on the 68th floor, which is ...

Statistics
Thanks, anyone for the rest?

general chemistry
Identify and discuss the differences between the terms ‘theories,’ ‘laws,’ and ‘hypotheses.’ Describe ‘controlled conditions

History
How did the Dark Ages end?

chemistry
If you used the alcohol burner to heat the water and all of the heat from the burning of the alcohol went into heating the water, how many grams of alcohol will you burn to do that heating? (Remember, for every 7,000 calories needed, it will use up a gram of alcohol.)

chemistry
After the lithium chloride dissolves and you get the heat from the Heat of Solution, what could you do to the dissolved lithium chloride so that you could reuse it for heating?

chemistry
2Na+(aq) + CO32-(aq) + H2O(l) 2Na+(aq) + HCO3-(aq) + ???(aq)

chemistry
Write the double-replacement reaction of PbCl2 reacting with Na2CO3.

chemistry
thanks DrBob222

chemistry
How many calories will be needed to melt that 50 grams of snow (report as 1 significant figure)?

chemistry
Write the double-replacement reaction of HgCl2 reacting with Na2CO3.

polynomial function
thank you very much

polynomial function
p(w)=4(w)^3-3w-4; find p(-4) and p(1/4)

word problem
thanks, Jesse

word problem
The number whose digits have a sum the same as the digits in 36. This number is less than 50 and greater than 36.

polynomial function
p(w)=4w^3-3w-4; find p(-4) and p(1/4)

word problem
thanks, Ms. Sue.

word problem
The number that is 1 less than the number whose digits have a sum of 12 and whose tens digit is greater than 4 but less than 6.

Chemistry
Iron(III) oxide can be reduced by carbon monoxide. Fe2O3(s) + 3CO(g) 2Fe(s) + 3CO2(g) Use the following thermodynamic data at 298 K to determine the equilibrium constant at this temperature. Substance: Fe2O3(s) CO(g) Fe(s) CO2(g) ΔH° f (kJ/mol): -824.2 -110.5 0 -393.5...

human influence on the antartica
o Identify any unintended consequences of humankind’s activities that have led to environmental problems. o Describe how scientific or technological activities are exacerbating or improving the existing situation. o Discuss how a proper application of the scientific ...

UOP
HOW HAS HUMANS AFFECTED THE ANTARCTIC FOOD WEB I am a tax preparer and got swamped, now My paper is so late. Help, this is case we have to analyze. 700-to-900 word analysis of the case at bottom and these questions in the analysis: o Identify any unintended consequences of ...

HUMN 232
Businesses are intended to make money, and sometimes this means keeping business practices secret. What kind of information does the public have a right to know? What kind of information does a business have a right to keep secret? How do we make these decisions?

Latin
I need help in translating this text. Primo Galli per vias hominum vacuas discurrebant ad praedam petendam; inde autem rursus ipsa solitudine absterriti secum "In Forum" inquiunt "ac propiora Foro loca redeamus. Ne qua fraus hostilis nos vagos excipiat." ...

Biology
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s boundaries?

Biology
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s boundaries?

Biology
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s boundaries?

American History
I think Georgia was one southern colony that was resistant to slavery at first because they bordered Spanish Florida and they thought that the Spanish would start a slave revolt against them. As far as I know there was only one state that was resistant to slavery however the ...

Business
I need an undestanding of the concepts being discussed in this question. Thanks

English
What would be the best contrast between the two different endings in "Great expectations"?

COM 140
I am currently taking that same class COM 140. Two tips I suggest for creating an academic document are to stay on topic and that you organize information by logic or argument.

oratorical piece
sda

science
how does HCI affect pepsinogen?

Finance
. Pretty Lady Cosmetic Products has an average production process time of forty days. Finished goods are kept on hand for an average of fifteen days before they are sold. Accounts receivable are outstanding an average of 35 days, and the firm receives forty-days of credit on ...

math
when you subtract the second x-coordinate from the first x-coordinate, what does the differences correspond to in a right triangle? This depends on the diagram you are using. It may indicate the length of one leg, if that leg is parallel to the x axis.

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