1. chemistry

Which solution would CaC2O4 be most soluble in? Na2C2O4 NaHC2O4 H2C2O4 NaCl HCl I due to common ions i think it would be one of the first three and i think it is Na2C2O4 because the other 2 have Hydrogen. Is it Na2C2O4? No, the common ions work just the

2. physics

A water bed has dimensions of 1.83mx1.86mx.238m. The floor of the bed room will tolerate an additional weight of no more than 6660N. Find the weight of the water in the bed and determine whether it should be purchased. The weight of the water in the water

3. Physics

An electric motor has 72 turns of wire wrapped on a rectangular coil, of dimensions 3cm by 4cm. Assume that the motor uses 14A of current and that a uniform 0.5T magnetic field exists within the motor. 1)What is the maximum torque delivered by the motor?

4. science

about how many diffrent rocks are there Directly from the site I gave you: "The three classes of rocks: the igneous, the sedimentary and the metamorphic — are subdivided into many groups. There are, however, no hard and fast boundaries between allied

5. math

hi! Im having trouble with this question about matrices the matrix X = (4 2) (2 4) X to the power of two = 2 (10 8 ) or ...(8 10) 4(5 4) ..(4 5) X to the power of three = 2 (56 52) ...(52 56) or 8 (14 13) .......(13 14) and so on... I have to figure out an

6. math

The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.1 ounce of Tostitos provides 9% of the MDV of fat. 9%. Simply divide

7. Math

I have 4 math problems that need to be solved by using factoring. I am unable to figure the following out. I have used the FOIL method but it seems not to be working out. I appreciate any help I can get. Thanks ^ exponet 3x^3-7x^2+2x x^2-2x+5

8. Art

Can someone please help me with this question because I am confused with this question. When doing mirror painting,children should: 1. draw and paint an object by looking at the object in the mirror. 2. draw or paint on handheld or full-length mirrors. 3.

9. Math!

Find the sum of the seix even multiples of 18 starting from 36 six* Sum= 18 (2 + 4 + 6 + 8 + 10 + 12)= =18*2(1 +2 + 3 + 4 + 5 + 6) =36(21)= 36*20 + 36 = 720 + 36= 756 check my math.

To capitalize on children's different learning styles, teachers should: 1.teach lessons using a multi-sensory approach. 2.use their own learning style to teach and let the children match them. 3.separate children by learning styles and seat children near

11. math

The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.

12. speeches

What should i do right after i mess up on a speech???/? Thank you for using the Jiskha Homework Help Forum. If you have a problem during a speech, just continue. Without an example of what you mean, it is extremely difficult to advise you. If the speech is

13. Biology

pair up your nucleoide sequence with the mRNA sequence then you will find from the amino acids in the codons what amino acids are present in the lactase production. Each dna sequence coincincids with the appropriate mRNA sequence unless there is a mutation

14. Medea Trial

My teacher assigned my class to play out a trial of Medea vs. Jason. I was assigned to the Medea side and I am a lawyer who will try and prove it was Jason's fault that caused all the trouble (killing of Medea's two sons and, princess, and king.) My group

15. **WORLD GEOGRAPHY 30**

Which of the following statements is not true? a) rural settlement is north america is primarily dispersed. b) agglomerated rural settlement is most commong in the world. c) the agglomerated pattern exists in lands colonized by europeans. d) an

16. Early Childhood Ed..

Would creating a sensory-rich classroom enviroment be an appropriate way for a teacher to help young children learn about aesthetics? I think that would be an exciting idea, and that children would enjoy it.

17. pre algebra

C(7,3). formula? 7!/(3!4!)

18. Math

When would a straight-line graph be applicable in a real life situation? I can not think of any? or could you apply this to the drinking age? You can purchase and drink beer once you are = or greater than 21 years old? Im I thinking on the right page?

19. science

what difference would there be in the product cells at telophase II of the meiosis if there had been one crossing over at a position half way betwwen the huntington disease gene and the centromere from one pair of autosomes (chromosome 4)has a short arm

20. calculus

Find the distance from (3,7,-5) to each of the following. a. the xy-plane b. the yz-plane c. the xz-plane d. the x-axis e. the y-axis f. the z-axis **I just wanna check my answers because I didn't really understand it when the teacher was explaining it and

21. organic cehmistry

I am totally lost on the subject of Fischer projection. I have no clue on where to begin solving : (S) 3-chloro-1-penten-4-yne http://www.mhhe.com/physsci/chemistry/carey/student/olc/ch07projections.html

22. Math

Given f(x) = –x3 + x2 – x – 5, find f(–3), f(0), and f(1) Hmmmm. Put in the value of x, and compute. Here is f(0) as an example: f(0)=-0^3 + 0^2 -0 -5 = -5

Find the next number in the sequence -2,4,-8,16,____ 243,-81,27,-9,____ 34,-68,136,-272,____ on the first, the sequence alternates signs, and is 2^n. Next term is -32 On the second, divide by three, alternate signs. Third, alternate signs, double...

24. English

Is there a literary term for the (first) use of the title of the novel in the text of the novel? If so, what is that term called? Thank you! :)

25. math

The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.

26. Math

Given f(x) = x2 – 3x + 4, find f(0). If f(x) = x^2 – 3x + 4 then substitute 0 for x to get f(0).

imean you know how sedanetery and metamorphic rocks care i mean how many rocks like coal and limestone are there