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Posts by kim

Total # Posts: 2,610

chemistry
CH4 (g) + 2 O2 (g) --> CO2 (g) + 2 H2O (g), (triangle)H rxn =-802.3 kj How much heat is produced by the complete combustion of 237 g of CH4?

chemistry
Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank ...

chemistry
Write the balanced net ionic equation for the following reaction and determine the conjugate acid-base pairs. HNO3(aq)+Li2CO3(aq)<--->LiNo3(aq)+LiHCO3(aq) Which component in the net ionic equation is the acid, the base, the conjugate base, and the conjugate acid Thank you

math
35 percent of the total length of the screen at the movies is 51.8 feet. What is the total length of the screen? Please give full details.

MATH
35 PERCENT OF THE TOTAL LENGTH OF THE SCREEN AT THE IMAX IS 51.8 FEET. wHAT IS THE TOTAL LENGTH OF THE SCREEN?

MATH
IF THE LOAN IS FOR $18000 AND THE INTEREST RATE IS 6.5%. iF THE INTEREST PAID IS $4680.0 HOW MANY MONTHS IS THE LOAN FOR?

chemistry
In a 1.00 L container at 272 degrees C 1.3 mol of N2 and 1.65 mol of H2 are added at equilibrium 0.100 mol NH3 is present calculate the equilibrium concentrations of N2 and H2 2NH3(g)<-->N2(g)+3H2(g)

Pschology 202
True or False? According to the textbook, occupational achieve­ment is a newer phenomenon for women than for men.?

Chemistry
2H2S(g)+3O2(g)<-->2SO2(g)+2H2O SO2(g)+Cl2(g)<-->SO2Cl2(g) I balanced so how do I find the overall equation

differniate
f(x)= (12x-18x^4+3)/(5ã6x^2-11x^4+2)

Science
*Round answer to 2 decimal places.*

Science
A student is walking at 3.3 meters per second along a straight sidewalk. At a time of 6.8 seconds his position is at 19.7 meters right of the starting point. Later, the student is 52.5 meters to the right of the starting point. What was the time that the student walked to get ...

chemistry
d(g)--->3/2 e(g)+5/2 f(g) when e increases by .25 mol/l*s how fast is f increasing

science
how many seconds does it take for Mercury to go from 0 degrees Celsius to 300 degrees Celsius? 1. 5 seconds 2. 10 seconds 3. 30 seconds 4. 357 seconds

Math
1/8

Algebra
12. Determine if the following is a conjuction or disjunction. y + 4 < -1 or y + 2 > 8 (Points : 1) 13. State how you determined if the combination above was a conjunction or disjunction. (Points : 2) 14. Solve the problem. (Hint: You should have two answers). y + 4 <...

Statistics
In the past year, Jack's Pizaa Resturant grossed more than $1500 a day for about 83% of its business days. Suppose 8 days are randomly selected, approximate the probablity that exactly 6 days will gross more than $1500 in a day.

math
How do I find 30% of 50

chemistry
what is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C at 1 atm

chemistry
What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C at 1 atm

chemistry
What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C at 1 atm

chemistry
What is the delta Hvap of a liquid that has a vapor pressure of 612 torr at 77.6 degrees C and a boiling point of 94.9 degrees C

fluid mechanics
A dam has been constructed of a large cylindrical pipe 10ft in diameter an 3ft long. Calcualte the net vertical and horizontal components of the fluid(water) force on this dam.

fluid mechanics
A dam has been constructed of a large cylindrical pipe 10ft in diameter and 3ft long. Calculate the net vertical and horizontal components of the fluid(water) force on this dam.

chemistry
A proton in a linear accelerator has a de Broglie wavelength of 138pm . What is the speed of the proton?

economic
1) Explain the meaning of the notation [a, b, r, w] used in Bayes Theorem 2) Explain how the (r, w) probabilities determine the quality of information: for perfect, worthless, and imperfect better than pure chance information

Finance
As an investor, you are considering an investment in the bonds of the Conifer Coal Company. The bonds, which pay interest semiannually, will mature in 8 years, have a coupon rate of 9.5% on a face value of $1,000. Currently, the bonds are selling for $872. a. If you required ...

chemistry
how many liters of SO2 measured at STP are produced in the reaction of 6.27 kilogrrams with 234 Liters of O2 at 220 degrees celsius and 2 atm?

Math
Help plzzzz😖😖😖😖😖

Math
Sam rolls a strike in 6 of the 10 frames of bowling What is the experimental probability that Sam will roll a strike in the first frame of the next game ? Explain why a number cube would not be a good way to simulate this situation Please help !!!!😖

math
The coach uses a scale drawing of the soccer field. the diagram uses a scale of 1/4 inches : 30 feet.What are the actual dimensions? What is the length and width of the field? What us the area of the field?

precalculas
-x+4x-2 list all levels of concavity

Phsyics
How much heat is required to raise the temperature of a 4.1-kg block of steel by 64 K? (The specific heat of this steel is 450 J/kg · K.)

Science
Santana is correct! Thanks for the help

science
What effects or potential effects do technologically based communication modalities between patients and health carer providers and between health care providers only have on health care cost

Physics
Two objects of same material are travelling near you. Object A is a 1.5 kg mass traveling 13.5 m/s; object B is a 2 kg mass traveling 5 m/s. Which object would make you feel worse if you are hit by it? 1. B 2. A 3. Unable to determine 4. the same

government
what court hears specific cases?

criminal investigations
why advances are paramount to the historical evolution of criminal investigations

Physics
Please someone help me. This is due in 30mins

Physics
Using the conservation of momentum law.

Physics
How do I find the recoil velocity of the earth immediately after the popper popped?

Physics
A constant force is exerted for a short time interval on a cart that is initially at rest on an air track. This force gives the cart a certain final speed. Suppose we repeat the experiment but, instead of starting from rest, the cart is already moving with constant speed in ...

ela
Is there such a word as poetries?

Algebra
Sarah mixes cashews that cost $9.00 per pound with 50 lb of peanuts that cost $5.00 per pound. How many pounds of cashews should she mix to make a nut mixture that cost $6.50 per pound?

Algebra 1B
Explain and provide an illustrative example of factoring a trinomial.

Algebra 1B
Factor the following equation: 3y^3-9y^2+4y-12 Thanks for the help!

Algebra 1B
Find the Greatest Common Factor of: 6x^4-12x^3 Thanks for your help!

Math
.85km/s=m/min

fin
what are the reason behind m&a waves of the 1980 and 1990

Math
What is -a^-2 if a equals -5

vet tech
It's saying the ears are closer to the tail than the eyes. The answer would be caudal. Now if it said the eyes are____to the ears it would be rostral.

law
how they can determine whether or not the jury's decision was right or wrong. Does it come down to matter of opinion by the judge? Is it biased? How does that work with posttrial motions.

Law
I need help understanding diversity of citizenship

law/history
when the supreme court makes a law is there a way to appeal their decision?

physics
A boy on a 1.9 kg skateboard initially at rest tosses a(n) 8.0 kg jug of water in the forward direction. If the jug has a speed of 2.7 m/s relative to the ground and the boy and skateboard move in the opposite direction at 0.65 m/s, find the boy’s mass. Answer in units of kg

physics
A(n) 0.364 kg soccer ball approaches a player horizontally with a speed of 19.7 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 22.4 m/s. What is the magnitude of the impulse delivered to the ball by the ...

Law
Is there a limit to the different types of arbitration one can go through before taking a case to trial? My answer is no. why? because if you don't agree the first time when seeking a arbitration than you'r chances of coming to a conclusion are again aren't high. ...

LAW
what's the easiest way to explain the sliding scale.

LAW
Once a supreme court makes their decision and it becomes law is there anyway of appealing their decision since they are the "top dog" in the courts?

Math
Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...

Math
Thomas was making iced tea with his mother. the recipe called for 1/2 a cup of sugar. However, Thomas and his mother wanted to cut the recipe in half. How much sugar should they add into the recipe? Would the answer be 1/4.

Math
Kara Maria poured herself a glass of 16 ounces of water. She drank 1/2 of her water in the morning. At lunch time she took the remaining water and drank 1/2 of that. How much water did she have left/ Would my answer be 1/4.

polynomial
Find the polynomial in X where zeros are -2, -1 and 3. Please someone help me with this. Thanks

Algebra 1a
Will someone please help me with the answer to the following: Simplify x^2*x^3*x^4 Thanks!

Algebra 1a
Will someone please help me with the answer to the following: Simplify: (xy)^-3/(x^-5y)^3

Algebra 1a
Simplify (xy)^-3/(x^-5y)^3

Mat 116 - Algebra
I need to simplify this equation

Mat 116 - Algebra
Simplify (2x)^3 Thanks for the help!

math
how to slove 35cents:$2.25 in ratio

algebra
a ten foot board has been cut in to 2 pieces, one of the board is x feet long express the other board in terms of x

Physics
The linear impulse delivered by the hit of a boxer is 97.7 N·s during the 0.368 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? Answer in units of N.

Algebra 1a
I am working with Systems of Linear Inequalities and need to find the point where the lines meet to label my graph. -9x-3y<27 and 8y+9y>=72 Thanks!

Algebra 1a
-3x-7y<21 and -7x-9y<63 I need to label the intersection on the graph where these two points meet

physics
A bungee jumper of mass 75 kg uses a bungee cord with a relaxedlength of 50 m and jumps from a bridge that is 170 m above the ground. What elastic force constant is necessary for the bungee cord in order for him to jump safely. I have no idea what to do or even start this ...

Math
620

Social Studies
Act of union

math
9 more than 5 times a number is that number increased by 45

math
Nine more than five times a number is that number increased by 45

Goverment
The governor of Texas has A. strong formal powers granted by the Texas Constitution. B.few formal powers, so the office is one of the weakest of the chief executives in the United States. C.the power to appoint all of the other officials in the executive branch. D.the power to...

finacial
Charlie Company is expected to grow at an annual rate of 6% indefinitely. The return on similar stocks is currently 11%. Charlie board of directors declared a dividend of $1.85 yesterday. What should a share of Charlie Company sell for?

chem
4.375

general question
Prospective employers can legally select employees based on the applicant's? a.age b.education c.disabilities d.gender I am thinking B is the correct choice?

Pyhsics
A) On planet X, an object weighs 19.2 N. On planet B where the magnitude of the free-fall acceleration is 1.17 g (where g = 9.8 m/s2 is the gravitational acceleration on Earth), the object weighs 34.9 N. The acceleration of gravity is 9.8 m/s2 . What is the mass of the object ...

Statistics
For the following set of scores, fill in the cells. The mean is 70 and the standard deviation is 8. Raw score Z score 68.0 ? ? –1.6 82.0 ? ? 1.8 69.0 ? ? –0.5 85.0 ? ? 1.7 72.0 ?

probation and parole
Halfway houses: A. can be “halfway in” or “halfway out.” B. can be used for probation/parole violators. C. often encounter community opposition. D. all of the above My answer: I believe it is A The "interstate compact" provides for: A. offender ...

probation and parole
Yes halfway houses is D I finally found it in my text book :) it's all of the above.

probation and parole
For the halfway houses then I think it's D

probation and parole
Oh okay! what about this : The "interstate compact" provides for: A. offender employment. B. travel expenses for interstate travel. C. federal agents to apprehend absconders. D. none of the above My answer: D

probation and parole
Thank you ^^ !

probation and parole
Halfway houses: A. can be “halfway in” or “halfway out.” B. can be used for probation/parole violators. C. often encounter community opposition. D. all of the above My answer: I believe it is A

probation and parole
1. Alcoholics Anonymous (AA): A. recognizes that preaching abstinence is most effective in helping alcoholics. B. was founded by two men who were alcoholics. C. can be quite costly to participants. D. none of the above 2. All of the following statements about the therapeutic ...

Math. (Check Answers) STUCK
Thanks @Ms.Sue So the answer will be positve.. and did I get the first one incorrect?

Math. (Check Answers) STUCK
HI, I'm stuck on two questions(: Round the number to the thousandths place. 97093.113469 Is it 97093.113 < -- ? 97093.112 97093.114 97000 Without multiplying, determine the sign of the product. (19)(-2)(37)(-0.8)(112) Postive Negative <-- ? The product is zero

chemistry
Find the percentage of water in Na2CO3*2H2O?

chemistry
9.03 of Mg combine completely with 3.48g of N to form compound. what is the percent composition of each element in this compound?

chemistry
29.0g Ag combine completely with 4.30g S to form a compound. what is the percent composition of each element in this compound

math
Patricia donated 1 pint of blood to the blood bank. The lab assistant divided Patricia’s blood equally into 3 bags. How much blood was in each bag

math
4 multiple choice questions with 3 possible answers. What is the probability of answering the first, third, and fourth question correctly? 1/3 x 1/3 x 1/3 1/3 = 1/81

Business
Thank you again Ms. Sue!

Business
The best feature of an organizational structure that evolves naturally is its? A.economy. B.clarity. C.practicality. D.use of staff positions My best guess is D

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