Friday
August 1, 2014

Posts by Dianna


Total # Posts: 38

chemistry
what is the percentage yield for Sr(NO3)2 + Na2SO4 -> SrSO4 + 2 NaNO3. mass of strontium nitrate is 0.788g mass of sodium sulfate is 1.258g mass of dry filter paper 0.759 g mass of dried precipitate in filter paper 1.317g

Math
A caterpillar has twice as many legs as a spider. Together, they have 24 legs. How many legs does the spider have? How many legs does the caterpillar have?

physics
The focal length of objective of a telescope is 0.2 m and the eyepiece has a focal length of 1.6 m. What is the length of this telescope? A) 8.0 m B) 1.4 m C) 1.6 m D) 1.8 m

Math
CAN YOU HELP ME MS.SUE JUST GIVE ME THE ANSWER PLEASE I TRY AND TRY AND TRY AND STILL I CAN'T DO IT PLEASE I NEED HELP PLEASE GIVE ME THE ANSWER ANYBODY MS.SUE ANYBODY PLEASE HELP ME WITH THIS PLEASE PLEASE GIVE ME THE ANSWER PLEASE :( :( :( :( :( :( *CRYING *SAD I KNOW PU...

Social Studies
OK, Thank u :)

Social Studies
OK, 1) B 2) B 3) D

Social Studies
OK, 2) b

Social Studies
2) c 3) d

Social Studies
1) The South is an excellent place to grow such crops as cotton, rice, tobacco, and sugar cane. Which of the following is NOT part of the South's excellent farming conditions? a. The warm climate is suitable for agriculture. b. There are no bugs. c. The coastal plains have...

Chem
How do I calculate mass in grams for something that absorbs 235J to change its temp from 13 degrees C to 55 degrees C? What is the formula?

3rd grade
erica counted 45 finger how many hands went up.

math fractions and decimals
How do you can you change a decimal to a fraction when the fraction looks like this 0.43 3/4 or .16 2/3 .How can I change this to a fraction?I tried dividing it by 100 but it doesn't give me the right answer.

change decimal to fraction
How do I change a decimal that looks like this 0.31 1/4 into a fraction?

writing
i need help start off this paragraph.

Epidemiology
Indicate how the bias would affect the measure of association. Would it be under estimated, or over estimated or unchanged. Persons diagnosed as HIV positive or negative were interviewed about their number of lifetime sexual partners. The interview occurred after they were tol...

Epidemiology
How the bias would affect the measure of association. Would it be under or over estimated? A cohort study was designed to look at the association of pesticides and the occurrence of childhood leukumia. Children living in rural areas were followed and leukemia rates were compar...

4th grade algebra
i need help right know in algebra

4th grade
How many shapes have a perimiter thats 30 cm?

Chemistry
How many moles are present in 250mL of sultion of 2mol L^-1 HCl (if 100kPa and 25 Degrees) ?

chemistry
Sulfur undergoes combustion to form sulfuur dioxide. If 456g of sulfur is burnt calculate the mass of sulfur dioxide produced.

algebra 2
y^2+3y+9/4

math
The answer would be 58-m. it's very obvious because if you subtract 58-m, you would get the other songs.

algebra
need to solve this equation 3/4 k - 1/6 =1/2

Humanities
What are some of the ways in which modern culture is "fatalistic" (in the ancient Greek sense of the word?

math
i got it ...... Thank you :O)

math
i don't understand?

math
What is the larger remainder possible if the divisor is 5?

Project Management
How did it contribute to gross underbids and successive cost escalations?

grammar
7, No change

grammar
6. He took the curve to sharply: it could have caused an accident.

grammar
5 No change

grammar
4 No change

grammar
3 No change

grammar
2 When oranges are fresh they can often keep away a cold virus.

grammar
1. If your baby does not like cold apple juice you should heat it.

grammar
I am sorry I forgot to post them but I am now.

grammar
Dangling Modifiers If your baby does not like cold apple juice, it should be heated. Your answer: 1. Dangling Modifiers When they are fresh, eating oranges can often keep away the cold virus. Your answer: 2. Predication Our plans for tomorrow should begin today. Your answer: 3...

orientalism of muslim and arab american
It's ok to help someone with an answer. At least the person can get some idea of the question ispertaining to. I appreciate all the things I have ead except putting people down. I don't think we should do that. Everybody has their onw preference, right? But for the rec...

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