Loren has the samples of elements that are listed below at room temperature. he exposes the samples to the same heat source until each sample reaches a temperature of 90.0°c. 10 g of al(s) (c subscript p. = 0.897 j/(gi°c)) 10 g of ag(s) (c subscript p.= 0.234 j/gi°c ) 10 g of fe(s) (c subscript p. = 0.450 j/gi°c) 10 g of zn(s) (c subscript p. = 0.387 j/gi°c ) from first to last, which lists the order in which these samples will reach 90.0°c?

the equation that correctly represent the reaction for formation of ammonia is

n2+ 3h2 → 2nh3 (answer d)

1 mole of nitrogen gas (n2) react with 3 moles of hydrogen gas (h2) to form 2 moles of ammonia ( nh3). this is in a process known as haber process were iron is used as a catalyst and reaction take place that a higher temperature and pressure. the process is exothermic hence energy is released.

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

mark brainliest and have a great day!

explanation: no but i do not usually comment

they are made of gases.

they have a spherical shape.

they make energy through fusion.