Answer =

3) How many moles are there in 454 g of carbon? How many atoms is this?

1 mol =

-

8C

1 mol =

atoms C

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Why do most items puffed with nitrogen?

Besides oxygen and hydrogen, which element is most abundant within the human body? iodine (I) boron b. nitrogen (N) carbon c.

C6H12O6 + 6 O2 - -> 6 CO2 + 6 H2O + energy In the reaction listed above, 1 molecule of glucose reacts with 6 molecules of oxygen to form 6 molecules of carbon dioxide, 6 molecules of water, and release energy.

Blood has a ph of 7.35 to 7.45. gastric juice has a ph of about 2.0. the

Aplique ley de la conservacion de la masa en Na2O + (NH4) 2SO4 + H2O + NH3

Which substance is the limiting reactant when 4.0 g of sulfur reacts with 6.0 g of oxygen and 8.0 g of sodium hydroxide according to the following chemical equation: 2 S (s) + 3 O2 (g) + 4 NaOH (aq) → 2 Na2SO4 (aq) + 2 H2O (l) A. O2 (g) B. S (s) C.

If EG = 19 and FG = 12 then EF = ?

Given the following reaction: 4Fe + 302 → 2Fe2O3 How many grams of Fe2O3 will be produced from 24.0 g of Fe and 5.00 g of O2? grams (round to three significant figures)

Which Group 16 element combines with hydrogen to form a compound that has the strongest hydrogen bonding between its molecules? 1. oxygen 2. selenium 3. sulfur 4. tellurium

How many hydrogen atoms are in 2.80 mol of ammonium sulfide?