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aleksley [76]
3 years ago
8

SrOH2 —> Sr2O + H2O. Balance

Chemistry
1 answer:
RSB [31]3 years ago
5 0

Answer:yep

Explanation:

Yyes

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Evaporation is the change from a liquid to gas
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A molecular solid coexists with its liquid phase at its melting point. The solid-liquid mixture is heated, but the temperature d
RUDIKE [14]

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The answer to that question would be A

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3NO2 + H2O = 2 HNO3 + NO
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Consider the equation: 2 nan3 (s) 2 na (s) + 3 n2. what is the mass of nan3 needed to produce 17.2 l nitrogen at stp?
Lerok [7]
The  mass  of NaN3  needed  to produce 17.2  L  nitrogen   at  STP is  calculated as  follows

find the  moles of N2   produced  at  STP
At  STP  1mole  of  gas =  22.4  L ,  what about  17.2 L  of  nitrogen

by cross  multiplication

= (1 mole x17.2  L)/ 22.4 L= 0.768  moles

2NaN3 =2Na  +3 N2
by   use of  mole ratio  between NaN3  to N2  (2:3) the  moles  of NaN3  =  0.768  x2/3 =  0.512  moles  of NaN3

mass of NaN3  is therefore =moles of NaN3  xmolar  mass of NaN3

=0.512moles  x 65 g/mol =33.28 grams  of NaN3



3 0
3 years ago
If oxygen with an electronegativity of 3.5 were to make a chemical bond with lithium, electronegativity of 1.0, what kind of bon
sergejj [24]

Answer:

Ionic.

Explanation:

Elements with higher electronegativity values are better at attracting electrons in a chemical bond.  

  • A chemical bond is considered "ionic" if the electronegativity difference between the two bonding atoms is greater than 1.8.
  • Otherwise, this chemical bond is considered "covalent".

In this example, the difference between the electronegativity of oxygen and lithium is 3.5 - 1.0 = 2.5. Since 2.5 > 1.8, the bond between the two elements would likely be ionic.

It is possible to reach the same conclusion based on the fact that lithium is a metal while oxygen is a nonmetal. When metal elements react with non-metal elements, the product is typically an ionic compound- with ionic bonds between the atoms.

6 0
2 years ago
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