Sunday
April 20, 2014

Posts by BELLA


Total # Posts: 543

chemistry
What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.500M Na2CO3?

Accounting Corporations
Birch issued 200 shares of $12 par common stock in exchange for a piece of equipment with a current market value of $3,000.Whichof the following is not part of the journal entry for tis transaction? A.Debiting Equipment for $3,000 B.Crediting Common Stock for $3,000 C.Creditin...

Chemistry
Where am I going wrong? Law, Theory or Hypothesis 1) A doctor thinks, but has not verified, that a patient with stomach pain has appendicitis - Hypothesis 2) a description that predicts what happens, but does not explain how -Hypothesis 3) an explanation that has been tested a...

061689 bussines accounting and you
All i need detail how to do it i watch video but im not understanding if anybody have more specific explanation details Please help step by step what i need to do im so confused Thank you :)))

chemistry
What are the values of [H3O+] and [OH−] for a solution with pH = 3.86?

chemistry
that isn't helpful

Chemistry
Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, Bella :)

chemistry
Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, Bella :)

chemistry
if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?

chemistry
if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?

chemistry
if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?

chemistry
I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?...

chemistry
I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?...

chemistry
I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?...

chemistry
I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?...

math
name the lengths of the sides of three rectangles with the perimeters of 12 units use only whole numbers

4th grade math
can someone show me how to do this one two small arrays have been combined to make a big array. what are the dimensions and product of the big array? fill in the equation that shows this big array broken into two small arrays. Square is broken into 10x6 and 10x5

BUSINESS 101
If a firm has a current ratio of 2.00,it means that for every $2in ___it has $1in___ A.total assets;current liabilities B.current assets;current liabilities C.total assets;total liabilities D.current assets;total liabilities my answer is c can somebody check thx During a reces...

business 101
If a firm has a current ratio of 2.00it means that for every $2 in _____it has $1in A.total assets;current liabilities B.current assets;current liabilities C.total assets ;total liabilities D.current assets;total liabilities My answer is c Team diversity is often established i...

Business
Television is an attractive advertisnig medium because it A.offers a rapidly growing network audience. B.is relatively inexpensive. C.provides instant feedback which can be used to measure effectiveness. D.offers mass coverage and flexibility. I think is D :( can somebody check

Business
Camden Products buys a $500,000 machine by taking out a bank loan.The company's assets will______by $500,000 while its liabilities will_____by $500,000. A.rise;rise B.fall;fall C.fall;rise D.rise;fall My answer is D can somebody check for me thenk you

astronomy
Can CMB show that the universe was accelerating at the time the CMB formed thus measuring dark energy early in the universe?

astronomy
Can CMB show that the universe was accelerating at the time the CMB formed thus measuring dark energy early in the universe?

Math
Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added 25% more of the 3% bonds and 40% more of the 5 % bonds, thereby increasing his annual income by 410. find his initial investment in each type of bond (if you would,just give me the formula and i...

Math
a picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame (if you would,just give me the formula and i'll take it from there) thank you

algebra 1
the sides of a triangle are (x+2),(3x+1), and (x+7) find the value of x if the perimeter is 140cm

math 5th grade
is it 59,424.8

math
Jphn just purchased a plasma t.v. for his living room. He paid $12,00 for a 46-inch television. The regular price of the television was $1,500. What percentage did John save during the sale? I got 20% but I wanted to see if I was right or not.

english.
1. i want to say is A. but i'm not sure. 2. i think is C. 3. i also want to say is D.

english.
“[R]emembering the rhythm” and “backs of buses” both contain examples of (1 point) alliteration. stanzas. rhyme. onomatopoeia. 2. Choose the option that corrects the sentence below. If the sentence is correct, select “d. The sentence is correct." ...

Science
A period of inactivity in the summer months due to the hot, dry weather is called _______ and is a(n) _______ adaptation.

Science
Yea, You were correct.

Math
How do you solve these type of equations? 2(-3x+1.5)=6 Can you please explain it to me?

Physics
A crane with a movable pulley system on a horizontal arm is moving a large container. The 355 kg container is hanging from a cable that is 6.15 m out on the 7.50 m arm. The arm has a mass of 345 kg. A cable that is attached to its end makes and angle 32.0 degrees with the hori...

math
The ratio of dimes to nickels is 2/3. He has $.75 innickels. How many dimes does he have?

Biochemistry
B - Make both Nitrogens charged (+) so they'll be +HN and NH+

HELP WITH MATH PLEASE!!!!!!!!!!
What does 1/2 x 2 x 6 = ?

Statistic
Below are listed the numbers of doctors in various specialties by gender. Pathology Pediatric Psychiatry Male 12,575 33,020 27,803 Female 5,604 33,351 12,292 Choose 1 doctor at random. (a) Find the probability of choosing a Pathologist or a female? b.) Find the probability of ...

Statistic
Suppose that 15 students take a quiz and everyone in the class scores an 80. The standard deviation of scores for this quiz is ____________?

Statistic
A urn contains 21 red balls, 14 white balls If we randomly select 2 balls, one after the other without replacement, what is the probability that both of the balls selected are red?

Maths A
Sue was sailing in the area shown on the chart on 3 March 2013. At 9:00 a.m., she sighted the antenna mast on Wellings Island on a bearing of 180°T. Sue also took a sighting to the lighthouse on Abby Island and found it was at an angle of 098°M. (i) Sue sighted the ant...

Maths
normal

Maths
A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example, a value of ‘32&...

Physical Science
How do you calculate the number of grams of ice at 32 degrees celsius that can be melted by 1g of steam?

Physical Science
How do you get the velocity of a roller coaster when you are only given 250.0kg and 2.000x10^4 Joules

Science
Liquid Nitrogen boils at -196 degrees Celsius . What is the temperture on the Kelvin scale ?

Science
Eighty calories must be added to one gram of I've at zero degrees Celsius to melt it. Whst is the approximate mechanical equivalent of this amount of energy?

Art
Using the knowledge of public art gained during this lesson, critique your peers' artwork. Give three examples that will allow them to improve what they have created.

HELP PLEASE!!!!!!!
I don't know the answer,that's why I asked this program for help??????

physics
A window washer pushes his scrub brush →− up a vertical window at constant speed by applying a force F as shown in Fig. P5.74. The brush weighs 15.0 N and the coefficient of kinetic friction is μk = 0.150. Calculate (a) the magnitude of →− the forc...

Chemistry
What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.750 L of 0.170 M NaI? Assume the reaction goes to completion.

history
lol thank you, i do, but its not the teacher, the principle wont let em give us the textbook for home, i tried to do the work in class but didnt finish, these are the only questions that i need done, and i tried that, its not really answerin the question

history
i do not have a history book, and i have a worksheet that requires one, my school does not handout textbook, they only have textbooks in the class, so please help thank you if you do why was the us able to expand its war production so quickly after the attack on pearl harbor? ...

Math - check answer
300 divide by 6 =50

math
how do you solve a question like this: (0,1,3,4) (-3,1,9,13

Calculus
Find the derivative w/ respect to x: g(x) = ln(sec(x))

CALCULUS-plz!!!!
Find derivative w/ respect to x: y=x^5/(1-x)ã(x^2+2) (hint: there is an easy way and a hard way!)

Calculus
Integrate: x/(9+x^4)dx

Please help -biology
Thank you!!!! :)

Please help -biology
why does water and hydrogen peroxide have different chemical and physical properties

Biology
why does water and hydrogen peroxide have different chemical and physical properties

Biology
why does water and hydrogen peroxide have different chemical and physical properties

computer
Statement: Bits can be used to represent A) numbers, B) names, C) colors and D) dates. This holds true for: A. A only B. A and C C. A and D D. A, B, C and D

math
It is recommended that when calculating a quantity, all intermediate calculations should be done with extra digits. This avoids the accumulation of A. Off-By-One Errors B. Roundoff Errors C. Standard Errors D. Type One Errors

math
is x^5 a function?

math
965.604, but I rounded to the nearest tenth and got ----> 966

variables and expressions
explain what the expression 6x means

algebra
Use factoring and the zero-product property to solve the following problems. 1.9r^2-30r+21=-4

Probability please help!
hahaha is RIGHT!!!!!!! ur all worng!! :) :(

Probability please help!
hahaha is RIGHT!!!!!!! ur all worng!! :) :(

Chemistry
Devise a test to distinguish between Cu2+ and Co2+.

Chemistry
Devise a test to distinguish between Cu2+ and Co2+.

probability
3/10

probability
3/10

Chemistry
I multiplied 50g by 975 mL and then 20g by 975 mL. Then I used the given pKa of 4.745 + log (19,500 / 48,750) = 4.35

Chemistry
A solution is prepared by dissolving 50.0 g of pure HC2H3O2 and 20.0 g of NaC2H3O2 in 975 mL of solution (the final volume). what is the ph? What would the pH of the solution be if 50.0 mL of 0.900 M NaOH were added? What would the pH be if 30.0 mL of 0.30 M HCl were added to ...

Science
2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.

writing
I rewrote it a little bit leaving out so many "you". Plus I was concerned with punctuation if I missed anything. Thank you for helping. The first thing needed to make my favorite sandwich is to gather the three main ingredients, which are bread, mayo and a whole...

writing
Ok thank you for replying I was not told about using "you" maybe I should fix that. I will have to relook over it again. Plus I will fix the spaces, thought I did that but I think when I copy and pasted it on here something messed up.

writing
is this 5 sentences paragraph i wrote myself have good grammar and in chronological order? The first thing you need to make my favorite sandwich is to gather your three main ingredients, which are bread, mayo and a whole tomato. After you have those things begin by cutting the...

college algebra
thank you!

college algebra
If I understood it I would not have to ask for help! I got it wrong in the 1st place and wanted to see the right answer. Thank you!!

college algebra
use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers. f(x)=x^3+10x^2-13x-22 find real zeros of f? use real zeros to factor f?

college alg
form a polynomialf(x) with real coefficients, having the given degree and zeros degree 5; zeros -5;-i; -5+i

college algebra
find the complex zeros of the polynomial function. write f in factored form. use complex zeros to write f in factored form f(x)= x^3-6x^2+21x-26

college algebra !!!
analyze the graph of the following function. r(x)= x^2+x-6 -------- x^2-x-2

chem
a sample of gas has a volume 8 liters @ 293 degree kelvin & 700 torr what will volume be at STP?

Am i right
Am i right? The question is how Paul Cezanne contributed to art. Is it, because he made his own style with how he used natural forms into shapes and such, and it influenced Picasso and Braque to create Cubism which later influenced others aswell?

What does this mean
kk ty

What does this mean
What does this mean? it says write what his contributions was to the art world, and if and why opinions regarding this artist's contribution to the art world have changed over time.

English
Can any one help me with the class foundations of curriculum?

English
4.he'll express a willingness to use the toilet.

English
Here's my choices. 1.he'llunderstand how to use the toilet. 2.he'll understand when to use the toilet. 3.he'll be able to hold on for a period of at least an hr. 4.he'll express a willingness to use the toilet.

English
Instead of toilet training her son at 18 months of age as her mother recommends, Melissa is waiting until her son is emotionally ready to begin toilet learning. How will Melissa know when her son is emotionally ready?

Math
3x-4y =9 -3x+4y=12

english
whether he will be on time to the concert tonight predicate nominative

Spanish
Wow your like the 3rd person i found randomly on the internet that goes to the same school haha :D How old are you?

Spanish
Im in 11th im almost in 12th. I just need to finish fine arts, I have like 3 essays left, and I still have to do the art safaris and the research papers. I was looking up my questions and came across yours for help lol. Im assuming your in 12th ?

Spanish
omg me too. I noticed because you ask alot of the same questions as i do! :)

Spanish
Hey, do you go to keystone?

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