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Aleksandr [31]
3 years ago
7

Why would you classify hydrogen as a nonmetal 2017?

Chemistry
2 answers:
Andrej [43]3 years ago
8 0
It is mainly because we have chemical compounds named Hydrides - compounds which consists of metal ions and hydrogen ion H^{-}. So, hydrogen ion is used to "take" electron more than "give" it, as we also can see in organic compounds. Third reason is that its standard electrode potential is further higher than metals' potentials, which obviously makes it nonmetal.
Hope this helps!
Alexxx [7]3 years ago
3 0
Yes hydrogen is a non metal 
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How many grams of NO can be produced if 204 g of NO2 is mixed with 58.1 g of H2O?
Goshia [24]

Answer:

44.4 grams of NO can be produced

Explanation:

Step 1: Data given

Mass of NO2 = 204 grams

Molar mass NO2 = 46.0 g/mol

Mass of H2O = 58.1 grams

Molar mass H2O = 18.02 g/mol

Step 2: The balanced equation

3NO2 + H2O→ 2HNO3 + NO

Step 3: Calculate moles NO2

Moles NO2 = 204 grams / 46.0 g/mol

Moles NO2 = 4.43 moles

Step 4: Calculate moles H2O

Moles H2O = 58.1 grams / 18.02 g/mol

Moles H2O = 3.22 moles

Step 5: Calculate limiting reactant

For 3 moles NO2 we need 1 mol H2O to produce 2 moles HNO3 and 1 mol NO

NO2 is the limiting reactant. It will completely be consumed (4.43 moles). H2O is in excess. there will react 4.43 /3 = 1.48 moles. There will remain 3.22 - 1.48 = 1.74 moles

Step 6: Calculate moles NO

For 3 moles NO2 we need 1 mol H2O to produce 2 moles HNO3 and 1 mol NO

For 4.43 moles NO2 we'll have 4.43/3 = 1.48 moles NO

Step 7: Calculate mass NO

Mass NO = 1.48 moles * 30.01 g/mol

Mass NO = 44.4 grams

44.4 grams of NO can be produced

3 0
3 years ago
Two substances that have the same number of moles of representative particles always have: Answer the same number of atoms the s
Nesterboy [21]
<span>same no of atoms
b/c no. of atoms = moles * avogadro's no (6.022 X 10^23)</span>
7 0
3 years ago
Read 2 more answers
Potassium fluoride (KF, a salt, has a molecular weight of 58.10 grams. How many grams would be needed to make 1.0 liter of 5.0 m
AlladinOne [14]
The concentration of the solution is 5.0 molar, which is 5.0 mole/L.  So in the 1.0 L of 5.0 molar KF salt solution, the moles of KF is 5.0molar*1.0L=5.0 mole. The molecular weight of KF is given in the question as 58.10 gram/mole, so the grams of KF is 58.10 gram/mole * 5.0 mole = 290.5 gram.
3 0
2 years ago
Which atom or ion is the largest? A.K B. K+ C. Ca D. Ca2+ E. Li
lapo4ka [179]

Consequently, the ion with the greatest nuclear charge (Al 3 +) is the smallest, and the ion with the smallest nuclear charge (N 3−) is the largest. The neon atom in this isoelectronic series is not listed in Table 2.8.3, because neon forms no covalent or ionic compounds and hence its radius is difficult to measure.

4 0
3 years ago
Is 5O2 a Element or Compound?
N76 [4]
5o2 is a Compound not an element
6 0
2 years ago
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