Why is it important to living things that water is bonded by h bond and not by covalent or ionic one

In which of these bonding patterns does x not obey the octet rule?

List two processes from which it may be concluded that the particles of a gas move continuously.

Arrange the three common unit cells in order from least dense to most dense packing. a. face-centered cubic < body-centered cubic < primitive cubic b. primitive cubic < body-centered cubic < face-centered cubic c.

A fossilized leaf contains 24% of its normal amount of carbon 14. how old is the fossil (to the nearest year) ? use 5600 years as the half-life of carbon 14.

A sample of oxygen gas occupies 3.60 liters at a pressure of 1.00 atm. If the temperature is held constant, what will be the volume of the oxygen gas at a pressure of 2.50 atm? 0.694 L 1.44 L 4.35 L 9.20 L

Erosion occurs when natural forces alter a landscape. What does it mean to alter a landscape?

What is the molecular mass of glucose

Click the "draw structure" button to launch the drawing utility. Draw the product formed when 2-heptanone (CH3COCH2CH2CH2CH2CH3) is treated with (CH3) 2CHNH2 in the presence of mild acid. 2-Heptanone is partly responsible for the odor of bleu cheese.

How does the goverment control scientific reseach

What happens when an oceanic plate collides with a continental plate? Select one: a. Neither plate moves under the other. b. The continental plate moves under the oceanic plate. c. The oceanic plate moves under the continental plate