Which of the following has the greatest number of unshared electrons around the central atom? 13 SF4 SO₂ NH3 H₂O

55. A typical rate of deposit of dust ("dustfall") from unpolluted air is 10. tons per square mile per month. What is this dustfall, expressed in mg per square meter per hour? Assume 1 ton = 2000. lbs. and 1 month = 30 days.

No 13

Which of the rules is being broken in the image below? Explain why it is incorrect, then explain how to re-do it correctly. 1s 2s 2p B I U

:58 PM Thu Sep 21 : ; 1 { ? 11 1 LTE 56% 1 Submit delete

(1) Br2 CC,

Provide the structure of the major product for the following reaction H₂C -0- I -0 0 OD III H₂C CH,Br FeBR, ميلك N CH I IV CH₂ -CH₂

Identify the selected functional groups. Type the name of the functional groups In the boxes Da CH3 HN- CH3 HN O HO NH2, OH

Mass of beaker and milk= 65.922 g Mass of beaker= 45.347 g  Mass of milk (g)?   pH of milk= 8 Isoelectric point= 5 Mass of watch glass and casein= 28.438 g Mass of watch glass= 27.832 g Mass of casein (g)? Percent casein in milk?

7. A procedure for measuring the amount of creatinine in blood was applied to a standard blood sample and the following results were produced: 0.787, 0.812, 0.796, 0.739, 0.802, and 0.823 mg/dL.  a) Can any of the data points be rejected by the Grubbs test? b) What is the 95% confidence interval for the data?