6. Identify the following reactions as synthesis, decomposition, single or double displacement, or combustion,
a. N2(g) + 3H2(g) + 2NH3 (9)
b NH, NO;) = N2O(g) + 2H-0 (8)
c. AgNO, (a) NaCl(aq) - AgCl (s) + NaNO, (aq)
d. Fe (5) H. So, 100) Hy(g) + FeSO4 (ag)

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer