How do you use quadratic formula to solve #2x^2 + 4x + 2 = 0#? How do you use the quadratic formula to solve #x^2+5=4x#? A rectangle has a perimeter if 46 cm and an area of 120 cm^2. …

The transmittance for a sample of a solution, measured at #590nm# in a #1.5-cm# cuvette, was #76.2%#. What is the corresponding absorbance? How to get new concentration from percent …

How do you identify the compound with IR spectrum with a molecular formula #C_5H_8O#? How would you distinguish between ortho and para nitrophenol using infrared spectroscopy? Given …

How do you use Heron's formula to find the area of a triangle with sides of lengths #15 #, #16 #, and #12 #? How do you use Heron's formula to find the area of a triangle with sides of lengths …

Please check the text of question. x and y distances are measured from the respective focal points and not from lens. Following formula is known as “Gaussian Lens Formula” 1/O+1/I=1/f …

Jan 7, 2018 · 1.3 * 10^(23) "formula units" For starters, it's worth pointing out that you're not dealing with molecules of iron(III) fluoride here because this compound is ionic. So a more …

Styrene is also known as ethenylbenzene, vinylbenzene, and phenylethene. It is an organic compound and its chemical formula is #"C"_6"H"_5"CH=CH"_2# Answer link

The formula for a circle is # (x-h)^2+ (y-k)^2=r^2# , where (h,k) is the coordinates for the center, and r is the radius. To find the radius just find the distance between the point (7,-11) to (0,0) …

"4.81 g" Start by converting the number of formula units of nickel(II) oxalate, "NiC"_2"O"_4, to moles by using Avogadro's constant. Since you know that in order to have 1 mole of nickel(II) …

Explanation: To calculate a percent profit or loss you use the formula: