which best describes this reaction between magnesium and oxygen?
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How many atoms are in each sample?
(a) 10.0 g Sr
(b) 10.0 g Mg
(c) 28.5 kg Zn
What is the Lewis structure of ?
What is the name of Sn3(PO4)2?
6.00 moles of nitrogen gas reacts with 6.00 moles of hydrogen to form ammonia gas. The reaction occurs at a volume of 15.0 L and a constant pressure of 1.00 atm. Assume constant temperature as well. Answer the following:
(a) What is the partial pressure of ammonia in the container when the reaction is complete?
(b) What is the mole fraction of ammonia in the container when the reaction is complete?
(c) What is the volume of the container when the reaction is complete?
Aniline (conjugate acid pKa = 4.63) is a considerably stronger base than diphenylamine (pKa = 0.79). Why is this so?
The density of pure gold is 19.32 g/mL at 20 degrees Celsius. If 25.75 g of pure gold nuggets is added to a graduated cylinder containing 13.3 mL of water, to what volume will the water in the cylinder rise?
Classify the following acids as monoprotic, diprotic, or triprotic:
(a) (sulfuric acid)
(b) (acetic acid)
(c) (glutaric acid)
(d) (cyanic acid)
Does obey the octet rule?
What is the neutralization reaction of strontium hydroxide () and nitric acid ()?
Which of the following is the formula of barium acetate?
What is the systematic name of N2F4?
Why is the melting point of chalk, which is made up of , higher than motor oil, a large compound composed of hydrogens and carbons, and motor oil higher than water, a small compound with hydrogen bonding?
What is the molar mass of styrene?
What is the equation of the reaction of pyruvate to lactate?