Aline

Hi, Why are ionic compounds generally insoluble in organic solvents while covalent compounds are generally soluble in organic solvents? Can you please explain in more detail? Thank you.

16 years ago

For Chemistry, I have to design a coin. What are some anti-counterfeiting measures I could use to prevent people from replicating it? I've googled this, but I haven't found many good ideas. I can only think of putting grooves on the edge of the coin and,...

16 years ago

Another question on the subject of coins. We have to evaluate another group's metal choices. My friends' group chose gold for the outer layer and zinc inside. Why is zinc a good choice? I know it's relatively inexpensive, but it's soft. Why would someone...

16 years ago

I am trying to figure out how much 1.134 grams worth of gold will cost, if gold is at 380 dollars an ounce. I set up proportions like this: 380 doll./1.34 grams (how many grams are in an ounce) = BLANK/1.134 grams (mass of coins). I got $321.58. But this...

16 years ago

Is ibi in Latin pronounced ee-bee ih-bee or something different? I want to confirm this for my speech. Thanks, Aline.

16 years ago

I'm confused. What's the difference between a structural formula and a condensed structural formula? Could you show me a website maybe that might outline the differences? Thank you for explaining this.

16 years ago

how do i solve if h=(2f)/(m+1) and solve the equation for f

11 years ago

A rectangular floor 8 feet long and 6 feet wide is to be completely covered with tiles. Each tile is a square with a perimeter of 2 feet. What is the least number of such tiles necessary to cover the floor? A)7 b)12 c)24 d)48 e)192 ^I got C A culture of b...

7 years ago

y=-3(x-2)^2 +2 In the xy plane, the line l passes through the point (-1,3) and the vertex of the parabola with the equation above. What is the slope of line l? A)-2/3 B)-1/2 C)-1/3 D)1/3 ^I don't know how to do this Let function f(x) be defined by the equ...

7 years ago

1) If 9 and 12 each divide Q without remainder, which of the following must Q divide without remainder? A)1 B)3 C)36 D)72 E)The answer can't be determined from the given info ^I got B 2) If mn does not equal 0, then 1/n^2 times (m^5n^3/m^3)^2 A)mn^4 B)m^4...

7 years ago

1) If y=kx, where k is a constant, and y=128 when x=16, what is the value of y when x is increased by 25%? (I got 160?) 2) Aaron calculates using a certain foot and line spacing, that each page of a typed document contains at least 240 words and at most 2...

7 years ago

1) If a^b =x and x^b=y then A)a^2b =y B)a^b^2 =y C)b^a=y D)(ax)^b=y E)(ax)^b=x I got B? 2) If a and b are the coordinates of two points on the number line, then which of the following is equivalent to the statement that the absolute value of the distance...

7 years ago

What is the equation for 1/2 as many men as women. Let m equal men and w equal women. ^i got m=1/2w

7 years ago

1) A tank holds water with a base 2 ft by 6 ft. If a rectangular solid whose dimensions are 1 foot by 1 foot by 2 feet is totally immersed in water, how many inches with the water rise? A)1/6 B)1 C)2 D)3 E)12 ^I got B 2) AB+BA= CDC IF each of the four let...

7 years ago

1) Stephanie earned $x while working 10 hrs. Evelyn earned $y while working 29hrs. If they both earn the same hourly wage and x+y=60, how many dollars did Stephanie earn? 2)the difference of the areas of two circles is 21pi. If their radio are r+3 and r,...

7 years ago

1)The function f is defined by the equation f(x)+ x-x^2. Which of the following represents a quadratic with no real zeros? A)f(x) +1/2 B)f(x)-1/2 C)f(x/2) D)f(x-1/2) 2) If I^(2k) = 1, and i = radical -1, which of the following must be true about k? A) k i...

7 years ago

1) if the polynomial p(x) has factories of 12, (x-5), and (x+4), which of the following must also be a factor of p(x)? 2x^2 + 8 4x^2-20 6x^2 -6x-120 x^2-10x+25 2) IF f(x)= -x+7 and g(f(x))= 2x+1, what is the value of g(2)? ^I got 11 The square of a positi...

7 years ago

ABC is a trapizoid with AB parallel to CD . The diagonal AC and BD meet at P.if the area of ABP is 16 and the area of CDP is 25 , what is the area of the trapezoid?

3 years ago

What is the total number of outcomes of rolling two number cubes ?????????

9 years ago

Yes, it was a typo. Sorry @-@ Thank you.

7 years ago

For number 1, wouldn't it be none of them? And if number 4 is wrong, then can you please explain?

7 years ago

Opps! sorry thank you!!

7 years ago

ohh Okay

7 years ago

how do you draw cycles? Or graph/sketch the equation? Are number 1 and 2 correct?

7 years ago

Is 1) B?

7 years ago

A=10?

7 years ago

Number two is 21/9?

7 years ago

ohh opps. Thank you

7 years ago

I think number 3 is C?

7 years ago

I take pleasure in, cause I found exactly what I used to be having a look for. You have ended my four day lengthy hunt! God Bless you man. Have a great day. Bye comitia; Meridith,

5 years ago

where is the answer

4 years ago