Chemistry, 07.04.2021 15:00, cupcakes5335
4.Aluminum reacts with oxygen gas to form aluminum
oxide, as shown in the reaction below.
4Al(s) + 302(g) → 2Al2O3(s)
How many grams of aluminum are needed to
completely react with 192 g of oxygen gas?
A. 27.0 g B. 102 g C. 216g D. 432 g
Answers: 3
Chemistry, 22.06.2019 08:00, wizz4865
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
Chemistry, 23.06.2019 00:00, chloe8979
#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
Answers: 1
Chemistry, 23.06.2019 03:50, mobslayer88
How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?
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Chemistry, 23.06.2019 10:30, jetblackcap
An atom that gains or loses one or more electrons is called a(n)
Answers: 1
4.Aluminum reacts with oxygen gas to form aluminum
oxide, as shown in the reaction below.
4Al...
4Al...
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