Which of the following is an example of a synthesis reaction?

A. H2 + Br2 → 2HBO

B. NaCl → Nat + CI

C. 2H20 + 2Na → 2NaOH + H2

D. Mg + H2SO4-→ MgSO4 + H2

Is the compound 'HCl' an acid or base?

An airplane specifically designed to fly at high altitudes may have: O A. a battery that provides additional power for the extra thrust needed. O B. an extra engine to burn more fuel and create more thrust. O C.

Which postmortem parameter is fixed by 8 hours?

A jeweler is making sapphire rings using 2 sapphires on every 1 ring. If the jeweler has 12 sapphires and 10 rings, what is the theoretical yield? A. 5 sapphire rings B. 6 sapphire rings C. 10 sapphire rings D. 12 sapphire rings

How do you know what atoms are convalant or ionic

Type of ion formed by group 2A elements

Identify each energy exchange as heat or work. Drag the appropriate items to their respective bins. melted wax

23 Which term identifies a type of organic reaction? (1) deposition (3) esterification (2) distillation (4) sublimation

several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear is white. What process led to to this difference in fur color.

What will be the outcome of putting litmus paper into bleach? a. red paper turns blue, blue paper turns red b. red paper does not change, blue paper turns red c. red paper turns blue, blue paper does not change d.