Select the keyword or phrase that will best complete each sentence. 1. anions are strong nucleophiles that open epoxide rings by an SN2 mechanism.

2. tautomers have an O-H group bonded to a C=C.

3. are formed from terminal alkynes with the addition of water using BH3 then H2O2.

4. are constitutional isomers that differ in the location of a double bond and a hydrogen and exist in an equilibrium with each other.

5. are compounds that contain a carbon-carbon triple bond.

6. of a terminal alkyne adds BH? to the less substituted, terminal carbon.

7. have a C=O and an additional C-H bond.

8. are formed from terminal alkynes with the addition of water using H2SO4 and HgSO4.

What happens when the temperature of a solution increases?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give