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adelina 88 [10]
2 years ago
6

How many moles are in 4561 g of C3H7OH?

Chemistry
1 answer:
d1i1m1o1n [39]2 years ago
3 0

Answer: 76.017 moles

Explanation:

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Find the hydroxide ion concentration of a HBr solution with a pH of 4.75
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Why do reactivity increases on moving from top to bottom in group 2 of modern periodic table?
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Answer:

that's because....

group 1 (e.g Na, K) those tend to lose one electron to gain noble gas electron configuration.

they can achieve that by just losing one electron from their outer shell.

as you go down the group 1, element gets bigger in size, which means there is more space between nucleus (which is in center of atom) and electron of outer shell. the more far away they are the less attraction force between them.

so its easier for potassuim to lose one electron than for lithuim.

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as florine is more smaller in size than clorine it is more reactive because florine has more tendency to pull extra electron from metal or other element towards its side. so it easily gain 1 electron to react.

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3 years ago
What kinds of elements form an ionic bond?
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Ionic bonds usually occur between metal and nonmetal ions. For example, sodium (Na), a metal, and chloride (Cl), a nonmetal, form an ionic bond to make NaCl. In a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals.
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True or false. adding more neutrons to a neutrally charged atom will not change the charge
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