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natima [27]
3 years ago
15

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Chemistry
1 answer:
Lostsunrise [7]3 years ago
4 0

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What are the physical and chemical properties of iron oxide
Anika [276]

Answer: The physical properties of iron oxide are that it is an odorless, red-brown solid, and that it is insoluble. Depending on the chemical formula, one of the chemical properties is its combustibility. If the chemical formula is Fe2O3, it is not combustible. If the formula is FeO, it is readily combustible.

5 0
2 years ago
Which phrase describes a characteristic of an Arrhenius base?
Tom [10]

 The phrase  that describes a   characteristic   of an Arrhenius base is  that Arrhenius  base add  hydroxide  ions  to  the solution ( answer C)

 

      <u><em>Explanation</em></u>

Arrhenius base  is a substance that  increases  the concentration  of OH-  in aqueous  solution.

The Common Arrhenius base are  group 1 and  2 hydroxide  such as LiOH, NaOH ,  Ba(OH)2  among others.  

for  example  NaOH  dissociate  as follows , NaOH  →  Na+(aq) + OH- (aq)


6 0
3 years ago
Read 2 more answers
Write the balanced chemical reaction between baking soda and vinegar.
Anit [1.1K]

Answer

a ecuación química para la reacción es: Bicarbonato sódico + vinagre = Acetato de sodio + agua + dióxido de carbono NaHCO3 + CH3COOH => CH3COO-Na+ + H2O + CO2 De la anterior fórmula, puede calcularse que una cucharadita de vinagre produce aproximadamente 1'5 gr de CO2

7 0
3 years ago
What is a Cilla ? What does it look like ? (In drawing )
vova2212 [387]

a short microscopic hairlike vibrating structure found in large numbers on the surface of certain cells.

Explanation:

either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion.

3 0
3 years ago
The net ionic equation for the reaction between aqueous sulfuric acid and aqueous sodium hydroxide is ________.
Kaylis [27]
Molecular equation:
H_{2}SO_{4}(aq) + 2NaOH(aq)--\ \textgreater \  Na_{2}SO_{4}(aq) + 2H_{2}O(l)&#10;&#10;Complete ionic equation:&#10;&#10;2H^{+}+SO_{4}^{2-} + 2Na^{+} +2OH^{-}--\ \textgreater \  2Na^{+}+SO_{4}^{2-} + 2H_{2}O(l)&#10;&#10;&#10;Near 2H^{+},SO_{4}^{2-} ,  2Na^{+} , OH^{-} &#10;&#10;should be written (aq).&#10;&#10;Remove ions that do not change from both sides&#10;&#10;2H^{+} + 2OH^{-}=2H_{2}O&#10;&#10;Net ionic equation:&#10;&#10;H^{+}(aq) + OH^{-}(aq)=H_{2}O(l)&#10;&#10;Answer is D.&#10;&#10;


8 0
3 years ago
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