In a burglary Case investigators have to collect evidence so that they can identify the source of the shattered pieces of glass found at the scene what should they do A. Collect only the glass evidence found in the scene

B. Collect the glass evidence in samples of non-glass items

C. Collect trees in latent fingerprint evidence

D. Collect shoe print evidence

(Forensic science question)

Lewis structure and molecular geometry for nh2cl

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2